乌鸦座：修订间差异

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|meteorshowers=乌鸦座流星雨<br>左辖流星雨
|meteorshowers=乌鸦座流星雨<br>左辖流星雨
|bordering=[[室女座]]<br/>[[巨爵座]]<br/>[[长蛇座]]
|bordering=[[室女座]]<br>[[巨爵座]]<br>[[长蛇座]]
|latmax=[[北緯60度线|60]]
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== 历史与神话 ==
== 历史与神话 ==
[[File:Sidney Hall - Urania's Mirror - Noctua, Corvus, Crater, Sextans Uraniæ, Hydra, Felis, Lupus, Centaurus, Antlia Pneumatica, Argo Navis, and Pyxis Nautica.jpg|左|缩略图|300px|1825年星图卡片《乌拉尼亚之镜》，贯穿左右最显眼的是[[长蛇座]]，乌鸦座在蛇背上，与杯子代表的[[巨爵座]]挨在一起]]
[[File:Sidney Hall - Urania's Mirror - Noctua, Corvus, Crater, Sextans Uraniæ, Hydra, Felis, Lupus, Centaurus, Antlia Pneumatica, Argo Navis, and Pyxis Nautica.jpg|left|thumb|300px|1825年星图卡片《乌拉尼亚之镜》，贯穿左右最显眼的是[[长蛇座]]，乌鸦座在蛇背上，与杯子代表的[[巨爵座]]挨在一起]]


公元前至少1100年的巴比伦星表就把今乌鸦座范围恒星称为乌鸦（{{lang|en|MUL.UGA.MUSHEN}}）。现代人更熟悉的[[古希臘天文学|古典天文学]]把乌鸦座放在蛇（[[勒拿九头蛇|九头蛇]]）尾处。巴比伦人用乌鸦座代表雨和风暴之神[[阿达德]]，进入第二个千年后会在秋天的雨季前夕上升。英国科学家约翰·罗杰斯（{{lang|en|John H. Rogers}}）认为，长蛇座在古巴伦规范星表《[[纲要 (古巴比伦)|纲要]]》代表[[陰间|冥界]]之神[[宁吉兹济达]]（{{Script/Cuneiform|𒀭𒊩𒌆𒄑𒍣𒁕}}）。他推断长蛇座旁边的[[巨爵座]]与乌鸦座都象征死亡，代表冥界之门。<ref name="rogers1">{{cite journal | last = Rogers | first = John H. | title = Origins of the ancient constellations: I. The Mesopotamian traditions | journal = Journal of the British Astronomical Association | volume = 108 | year = 1998 | pages = 9–28 | bibcode = 1998JBAA..108....9R}}</ref>乌鸦座、巨爵座、[[天鷹座]]和[[南鱼座]]均在公元前500前左右传入希腊，分别代表[[冬至]]与[[夏至]]。此外，跨越全部[[天球赤道]]的长蛇座在古代还用作地标。<ref>{{cite book | last = Frank | first = Roslyn M. | title = Handbook of Archaeoastronomy and Ethnoastronomy | publisher = Springer | location = New York City | year = 2015 | pages = 147–163 | chapter = 10: Origins of the "Western" Constellations | bibcode = 2015hae..book.....R | url = https://www.academia.edu/15305615/The_origins_of_Western_constellations | access-date = 2021-04-30}}</ref>[[密特拉教]]的符号和标志里也有巨爵座与乌鸦座，估计该教源于中东，后传入古希腊和罗马<ref name="RogersII">{{cite journal | last = Rogers | first = John H. | title = Origins of the ancient constellations: II. The Mediterranean traditions | journal = Journal of the British Astronomical Association | volume = 108 | year = 1998 | pages = 79–89 | bibcode = 1998JBAA..108...79R}}</ref>。
公元前至少1100年的巴比伦星表就把今乌鸦座范围恒星称为乌鸦（{{lang|en|MUL.UGA.MUSHEN}}）。现代人更熟悉的[[古希臘天文学|古典天文学]]把乌鸦座放在蛇（[[勒拿九头蛇|九头蛇]]）尾处。巴比伦人用乌鸦座代表雨和风暴之神[[阿达德]]，进入第二个千年后会在秋天的雨季前夕上升。英国科学家约翰·罗杰斯（{{lang|en|John H. Rogers}}）认为，长蛇座在古巴伦规范星表《[[纲要 (古巴比伦)|纲要]]》代表[[陰间|冥界]]之神[[宁吉兹济达]]（{{Script/Cuneiform|𒀭𒊩𒌆𒄑𒍣𒁕}}）。他推断长蛇座旁边的[[巨爵座]]与乌鸦座都象征死亡，代表冥界之门。<ref name="rogers1">{{cite journal | last = Rogers | first = John H. | title = Origins of the ancient constellations: I. The Mesopotamian traditions | journal = Journal of the British Astronomical Association | volume = 108 | year = 1998 | pages = 9–28 | bibcode = 1998JBAA..108....9R}}</ref>乌鸦座、巨爵座、[[天鷹座]]和[[南鱼座]]均在公元前500前左右传入希腊，分别代表[[冬至]]与[[夏至]]。此外，跨越全部[[天球赤道]]的长蛇座在古代还用作地标。<ref>{{cite book | last = Frank | first = Roslyn M. | title = Handbook of Archaeoastronomy and Ethnoastronomy | publisher = Springer | location = New York City | year = 2015 | pages = 147–163 | chapter = 10: Origins of the "Western" Constellations | bibcode = 2015hae..book.....R | url = https://www.academia.edu/15305615/The_origins_of_Western_constellations | access-date = 2021-04-30}}</ref>[[密特拉教]]的符号和标志里也有巨爵座与乌鸦座，估计该教源于中东，后传入古希腊和罗马<ref name="RogersII">{{cite journal | last = Rogers | first = John H. | title = Origins of the ancient constellations: II. The Mediterranean traditions | journal = Journal of the British Astronomical Association | volume = 108 | year = 1998 | pages = 79–89 | bibcode = 1998JBAA..108...79R}}</ref>。
[[File:43-Corvus-Constellation.PNG|缩略图|右|1632至1633年[[马什哈德]]出产的玛努切赫尔地球仪上所印乌鸦座，瑞典阿迪尔诺收藏]]
[[File:43-Corvus-Constellation.PNG|thumb|right|1632至1633年[[马什哈德]]出产的玛努切赫尔地球仪上所印乌鸦座，瑞典阿迪尔诺收藏]]


[[拉皮斯人]]传言[[阿波罗]]的情侣[[科洛尼斯]]偷人，阿波罗从纯白色的乌鸦口中得知后愤怒不已，把乌鸦的毛全变成黑色。还有说法称[[阿波罗]]派手下乌鸦去取水，但乌鸦在路上发现无花果后等待果实成熟再吃掉，因此延误行程。乌鸦用杯取水后顺便带回水蛇，谎称是水蛇喝掉水导致延误。阿波罗看出乌鸦的欺骗，愤怒之下把杯子、蛇和乌鸦都朝天上一扔，分别变成巨爵座、长蛇座和乌鸦座，所在位置正好确保乌鸦没法儿从杯里喝水，以此警告不要得罪神明。<ref name="Ridpath-Tirion">{{cite book | title = Stars and Planets Guide | last1 = Ridpath | first1 = Ian | last2 = Tirion | first2 = Wil | year = 2001 | publisher = [[普林斯顿大学出版社|Princeton University Press]] | isbn = 0-691-08913-2 | pages = 128–130}}</ref>
[[拉皮斯人]]传言[[阿波罗]]的情侣[[科洛尼斯]]偷人，阿波罗从纯白色的乌鸦口中得知后愤怒不已，把乌鸦的毛全变成黑色。还有说法称[[阿波罗]]派手下乌鸦去取水，但乌鸦在路上发现无花果后等待果实成熟再吃掉，因此延误行程。乌鸦用杯取水后顺便带回水蛇，谎称是水蛇喝掉水导致延误。阿波罗看出乌鸦的欺骗，愤怒之下把杯子、蛇和乌鸦都朝天上一扔，分别变成巨爵座、长蛇座和乌鸦座，所在位置正好确保乌鸦没法儿从杯里喝水，以此警告不要得罪神明。<ref name="Ridpath-Tirion">{{cite book | title = Stars and Planets Guide | last1 = Ridpath | first1 = Ian | last2 = Tirion | first2 = Wil | year = 2001 | publisher = [[普林斯顿大学出版社|Princeton University Press]] | isbn = 0-691-08913-2 | pages = 128–130}}</ref>


乌鸦座恒星在[[中国天文学史|中国古代天文学]]属[[朱雀|南方朱雀]]<ref>{{cite web | dead-url = no | archive-url = http://web.archive.org/web/20210225112418/http://aeea.nmns.edu.tw/2006/0607/ap060722.html | archive-date = 2021-02-25 | url = http://aeea.nmns.edu.tw/2006/0607/ap060722.html | title = AEEA 天文教育资訊网 | year = 2006 | access-date = 2021-04-14 | publisher = [[国立自然科学博物馆]] | location = 台中}}</ref>，四颗主要恒星构成[[二十八宿]]的[[轸宿]]星官[[轸 (星官)|轸]]，意为天车，[[右辖]]与[[左辖]]代表车轮支撑，[[长沙 (恒星)|长沙]]代表棺材<ref name="ridpathCr">{{cite web | url = http://www.ianridpath.com/startales/corvusandcrater.html | title = Corvus and Crater | last = Ridpath | first = Ian | publisher = self-published | work = Star Tales | access-date = 2021-04-30 | archive-url = http://web.archive.org/web/20210418092505/http://www.ianridpath.com/startales/corvusandcrater.html | dead-url = no | archive-date = 2021-04-18}}</ref>。[[印度天文学]]用乌鸦座五颗主要恒星代表[[二十七宿]]之十三[[诃莎多]]的手或拳头<ref>{{cite book | title = The Nakshastras: The Lunar Mansions of Vedic Astrology | page = 51 | url = https://books.google.com.hk/books?id=16KCUhgCQHMC&pg=PA51&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false | last = Harness | first = Dennis M. | publisher = Motilal Banarsidass | year = 2004 | access-date = 2021-04-30 | isbn = 978-81-208-2068-5}}</ref>。
乌鸦座恒星在[[中国天文学史|中国古代天文学]]属[[朱雀|南方朱雀]]<ref>{{cite web | | | | url = http://aeea.nmns.edu.tw/2006/0607/ap060722.html | title = AEEA 天文教育资訊网 | year = 2006 | access-date = 2021-04-14 | publisher = [[台湾自然科学博物馆]] | location = 台中}}</ref>，四颗主要恒星构成[[二十八宿]]的[[轸宿]]星官[[轸 (星官)|轸]]，意为天车，[[右辖]]与[[左辖]]代表车轮支撑，[[长沙 (恒星)|长沙]]代表棺材<ref name="ridpathCr">{{cite web | url = http://www.ianridpath.com/startales/corvusandcrater.html | title = Corvus and Crater | last = Ridpath | first = Ian | publisher = self-published | work = Star Tales | access-date = 2021-04-30 }}</ref>。[[印度天文学]]用乌鸦座五颗主要恒星代表[[二十七宿]]之十三[[诃莎多]]的手或拳头<ref>{{cite book | title = The Nakshastras: The Lunar Mansions of Vedic Astrology | page = 51 | | last = Harness | first = Dennis M. | publisher = Motilal Banarsidass | year = 2004 | access-date = 2021-04-30 | isbn = 978-81-208-2068-5}}</ref>。


众多[[玻里尼西亚]]文化把乌鸦座恒星划为星座。[[马克萨斯群岛]]把星座称为“米”（{{lang|en|Mee}}），[[普卡普卡岛 (库克群岛)|普卡普卡岛]]称为“蒂玛努”（{{lang|en|Te Manu}}），[[社会群岛]]称为“梅图艾帕帕”（{{lang|en|Metua-ai-papa}}）。<ref>{{cite book | last = Makemson | first = Maud Worcester | year = 1941 | publisher = [[耶鲁大学出版社|Yale University Press]] | title = The Morning Star Rises: an account of Polynesian astronomy | bibcode = 1941msra.book.....M}}</ref>。[[托雷斯海峡岛民]]把乌鸦座视为代表渔民的右手，组成巨大的“塔改座”（{{lang|en|Tagai}}）<ref>{{cite book | title = Reports of the Cambridge Anthropological Expedition to Torres Straits: Volume 4 of Reports of the Cambridge Anthropological Expedition to Torres Straits | year = 1912 | publisher = [[劍桥大学出版社|Cambridge University Press]] | last = Haddon | first = Alfred Cort | access-date = 2021-04-30 | url = https://books.google.com.hk/books?id=Uto8AAAAIAAJ&pg=PA219&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false | page = 219}}</ref>。
众多[[玻里尼西亚]]文化把乌鸦座恒星划为星座。[[马克萨斯群岛]]把星座称为“米”（{{lang|en|Mee}}），[[普卡普卡岛 (库克群岛)|普卡普卡岛]]称为“蒂玛努”（{{lang|en|Te Manu}}），[[社会群岛]]称为“梅图艾帕帕”（{{lang|en|Metua-ai-papa}}）。<ref>{{cite book | last = Makemson | first = Maud Worcester | year = 1941 | publisher = [[耶鲁大学出版社|Yale University Press]] | title = The Morning Star Rises: an account of Polynesian astronomy | bibcode = 1941msra.book.....M}}</ref>。[[托雷斯海峡岛民]]把乌鸦座视为代表渔民的右手，组成巨大的“塔改座”（{{lang|en|Tagai}}）<ref>{{cite book | title = Reports of the Cambridge Anthropological Expedition to Torres Straits: Volume 4 of Reports of the Cambridge Anthropological Expedition to Torres Straits | year = 1912 | publisher = [[劍桥大学出版社|Cambridge University Press]] | last = Haddon | first = Alfred Cort | access-date = 2021-04-30 | | page = 219}}</ref>。


巴西中部[[马托格罗索州]]的[[波洛洛人]]把乌鸦座恒星看作陆龟“格里龟龟”（{{lang|en|Geriguigui}}）<ref>{{cite journal | title = Ethnoastronomy of the Eastern Bororo Indians of Mato Grosso, Brazil | last = Fabian | first = Stephen M. | journal = Annals of the New York Academy of Sciences | volume = 385 | issue = 1 | pages = 283–301 | year = 1982 | doi = 10.1111/j.1749-6632.1982.tb34270.x | bibcode = 1982NYASA.385..283F}}</ref>，西北亚马逊地区的[[图坎诺人]]视为[[白鹭]]<ref>{{cite journal | title = Constellations and Time Keeping used by Indigenous Communities in the Northwestern Amazonian Region | journal = Journal of Astronomy in Culture | volume = 1 | issue = 1 | last = Cardoso | first = Walmir | year = 2016 | url = https://escholarship.org/uc/item/7qn7t90d | access-date = 2021-04-30}}</ref>。巴西[[圣路易斯岛 (巴西)|圣路易斯岛]]的[[图皮人]]可能把乌鸦座星空视为用来烤鱼的烤架或烤炉，[[飞马座]]也可能代表烤架或烤炉<ref>{{cite journal | last = Magana | first = Edmundo | journal = Ibero-amerikanisches Archiv | year = 1984 | volume = 10 | issue = 2 | pages = 189–221 | title = Some Tupi Constellations | jstor = 43392390}}</ref>。
巴西中部[[马托格罗索州]]的[[波洛洛人]]把乌鸦座恒星看作陆龟“格里龟龟”（{{lang|en|Geriguigui}}）<ref>{{cite journal | title = Ethnoastronomy of the Eastern Bororo Indians of Mato Grosso, Brazil | last = Fabian | first = Stephen M. | journal = Annals of the New York Academy of Sciences | volume = 385 | issue = 1 | pages = 283–301 | year = 1982 | doi = 10.1111/j.1749-6632.1982.tb34270.x | bibcode = 1982NYASA.385..283F}}</ref>，西北亚马逊地区的[[图坎诺人]]视为[[白鹭]]<ref>{{cite journal | title = Constellations and Time Keeping used by Indigenous Communities in the Northwestern Amazonian Region | journal = Journal of Astronomy in Culture | volume = 1 | issue = 1 | last = Cardoso | first = Walmir | year = 2016 | url = https://escholarship.org/uc/item/7qn7t90d | access-date = 2021-04-30}}</ref>。巴西[[圣路易斯岛 (巴西)|圣路易斯岛]]的[[图皮人]]可能把乌鸦座星空视为用来烤鱼的烤架或烤炉，[[飞马座]]也可能代表烤架或烤炉<ref>{{cite journal | last = Magana | first = Edmundo | journal = Ibero-amerikanisches Archiv | year = 1984 | volume = 10 | issue = 2 | pages = 189–221 | title = Some Tupi Constellations | jstor = 43392390}}</ref>。


== 简介 ==
== 简介 ==
乌鸦座覆盖184[[平方度]]夜空，占0.446%，在[[星座列表|88个现代星座]]排第70<ref name="tirionconst">{{cite web | url = http://www.ianridpath.com/constellations1.html | title = Constellations: Andromeda–Indus | work = Star Tales | first = Ian | last = Ridpath | publisher = self-published | access-date = 2021-04-30}}</ref>。星座北面和东面与[[室女座]]相邻，南挨长蛇座，西靠巨爵座。1922年，[[国际天文联会]]确定以三字母缩写“{{lang|la|Crv}}”代指乌鸦座。<ref name="pa30_469">{{cite journal | last = Russell | first = Henry Norris | author-link = 亨利·诺利斯·罗素 | title = The New International Symbols for the Constellations | journal = [[通俗天文学 (美国杂志)|Popular Astronomy]] | volume = 30 | page = 469 | bibcode = 1922PA.....30..469R | year = 1922}}</ref>。比利时天文学家[[尤金·德尔波特]]1930年正式划分星座边界{{refn|group="注"|德尔波特向国际天文联会提议规范星座边界，联会同意由他主导<ref name="tirionconstbnd">{{cite web | url = http://www.ianridpath.com/boundaries.html | title = Constellation boundaries: How the modern constellation outlines came to be | work = Star Tales | last = Ridpath | first = Ian | publisher = self-published | access-date = 2021-04-30}}</ref>。}}，乌鸦座呈六条边组成的多边形（见文首信息框）。星座在[[赤道坐标系统]]的[[赤经]]位于{{RA|11|56|22}}至{{RA|12|56|40}}范围，[[赤纬]]在−11.68°到−25.20°之间。<ref name="boundary">{{cite journal | title = Corvus, Constellation Boundary | journal = The Constellations | archive-url = http://web.archive.org/web/20210429190612/https://www.iau.org/public/themes/constellations/#crv | publisher = [[国际天文联会|International Astronomical Union]] | url = https://www.iau.org/public/themes/constellations/#crv | access-date = 2021-04-30 | archive-date = 2021-04-29 | dead-url = no}}</ref>。星座位于南天球，[[北緯65度线]]以南才能看到完整星座<ref name="tirionconst"/>{{refn|group="注"|技术上来说北纬65到78度间也能看到部分乌鸦座，但只高于地平线几度的恒星无论通过何等手段都无法观测<ref name="tirionconst"/>。}}。
乌鸦座覆盖184[[平方度]]夜空，占0.446%，在[[星座列表|88个现代星座]]排第70<ref name="tirionconst">{{cite web | url = http://www.ianridpath.com/constellations1.html | title = Constellations: Andromeda–Indus | work = Star Tales | first = Ian | last = Ridpath | publisher = self-published | access-date = 2021-04-30}}</ref>。星座北面和东面与[[室女座]]相邻，南挨长蛇座，西靠巨爵座。1922年，[[国际天文联会]]确定以三字母缩写“{{lang|la|Crv}}”代指乌鸦座。<ref name="pa30_469">{{cite journal | last = Russell | first = Henry Norris | | title = The New International Symbols for the Constellations | journal = [[通俗天文学 (美国杂志)|Popular Astronomy]] | volume = 30 | page = 469 | bibcode = 1922PA.....30..469R | year = 1922}}</ref>。比利时天文学家[[尤金·德尔波特]]1930年正式划分星座边界{{refn|group="注"|德尔波特向国际天文联会提议规范星座边界，联会同意由他主导<ref name="tirionconstbnd">{{cite web | url = http://www.ianridpath.com/boundaries.html | title = Constellation boundaries: How the modern constellation outlines came to be | work = Star Tales | last = Ridpath | first = Ian | publisher = self-published | access-date = 2021-04-30}}</ref>。}}，乌鸦座呈六条边组成的多边形（见文首信息框）。星座在[[赤道坐标系统]]的[[赤经]]位于{{RA|11|56|22}}至{{RA|12|56|40}}范围，[[赤纬]]在−11.68°到−25.20°之间。<ref name="boundary">{{cite journal | title = Corvus, Constellation Boundary | journal = The Constellations | | publisher = [[国际天文联会|International Astronomical Union]] | url = https://www.iau.org/public/themes/constellations/#crv | access-date = 2021-04-30 }}</ref>。星座位于南天球，[[北緯65度线]]以南才能看到完整星座<ref name="tirionconst"/>{{refn|group="注"|技术上来说北纬65到78度间也能看到部分乌鸦座，但只高于地平线几度的恒星无论通过何等手段都无法观测<ref name="tirionconst"/>。}}。


== 显著特点 ==
== 显著特点 ==
[[File:CorvusCC.jpg|缩略图|左|右上|乌鸦座可用肉眼观测]]
[[File:CorvusCC.jpg|thumb|left|upright|乌鸦座可用肉眼观测]]


=== 恒星 ===
=== 恒星 ===
{{Main|乌鸦座恒星列表}}
{{Main|乌鸦座恒星列表}}
德国天体制图师[[约翰·拜耳]]用希腊字母[[Α]]至[[Η]]为乌鸦座大部分亮星[[拜耳命名法|命名]]。[[约翰·佛兰斯蒂德]]为九颗星体[[佛兰斯蒂德命名法|命名]]，但他划入旁边巨爵座的[[HD 104337]]在1930年确定星座边界后纳入乌鸦座，即乌鸦座31。<ref name="wagman">{{cite book | last = Wagman | first = Morton | year = 2003 | title = Lost Stars: Lost, Missing and Troublesome Stars from the Catalogues of Johannes Bayer, Nicholas Louis de Lacaille, John Flamsteed, and Sundry Others | publisher = The McDonald & Woodward Publishing Company | location = Blacksburg, Virginia | isbn = 978-0-939923-78-6 | pages = 119, 387, 390–91, 506}}</ref>乌鸦座共有29颗恒星亮度不低于6.5[[视星等]]{{refn|group="注"|6.5视星等是肉眼在城乡结合位置理想夜空条件下能看到的光线最微弱天体<ref>{{cite web | publisher = Sky Publishing Corporation | access-date = 2019-04-08 | url = http://www.skyandtelescope.com/resources/darksky/3304011.html?page=1&c=y | title = The Bortle Dark-Sky Scale | last = Bortle | date = 2001-02 | work = [[天空与望远鏡杂志|Sky & Telescope]] | archive-url = http://web.archive.org/web/20190408163545/https://www.skyandtelescope.com/astronomy-resources/light-pollution-and-astronomy-the-bortle-dark-sky-scale/ | first = John E. | archive-date = 2019-04-08 | dead-url = no}}</ref>。}}<ref name="tirionconst" />。
德国天体制图师[[约翰·拜耳]]用希腊字母[[Α]]至[[Η]]为乌鸦座大部分亮星[[拜耳命名法|命名]]。[[约翰·佛兰斯蒂德]]为九颗星体[[佛兰斯蒂德命名法|命名]]，但他划入旁边巨爵座的[[HD 104337]]在1930年确定星座边界后纳入乌鸦座，即乌鸦座31。<ref name="wagman">{{cite book | last = Wagman | first = Morton | year = 2003 | title = Lost Stars: Lost, Missing and Troublesome Stars from the Catalogues of Johannes Bayer, Nicholas Louis de Lacaille, John Flamsteed, and Sundry Others | publisher = The McDonald & Woodward Publishing Company | location = Blacksburg, Virginia | isbn = 978-0-939923-78-6 | pages = 119, 387, 390–91, 506}}</ref>乌鸦座共有29颗恒星亮度不低于6.5[[视星等]]{{refn|group="注"|6.5视星等是肉眼在城乡结合位置理想夜空条件下能看到的光线最微弱天体<ref>{{cite web | publisher = Sky Publishing Corporation | access-date = 2019-04-08 | url = http://www.skyandtelescope.com/resources/darksky/3304011.html?page=1&c=y | title = The Bortle Dark-Sky Scale | last = Bortle | date = 2001-02 | work = [[天空与望远鏡杂志|Sky & Telescope]] | | first = John E. }}</ref>。}}<ref name="tirionconst" />。


乌鸦座亮星[[軫宿三]]、[[軫宿一]]、[[軫宿二]]、[[軫宿四]]组成人称“[[角宿一]][[后桅纵帆]]”<ref>{{cite book | last = Nickel | first = James | year = 1999 | title = Lift Up Your Eyes on High: Understanding the Stars | publisher = Christian Liberty Press | location = Arlington Heights, Illinois | page = 53 | isbn = 978-1-930367-37-1}}</ref>或“船帆”的四边形[[星群]]<ref>{{cite book | last = Bakich | first = Michael E. | year = 1995 | title = The Cambridge Guide to the Constellations | url = https://archive.org/details/cambridgeguideto00baki | location = Cambridge, United Kingdom | publisher = Cambridge University Press | pages = [https://archive.org/details/cambridgeguideto00baki/page/21 21–22] | isbn = 978-0-521-46520-5 | access-date = 2021-04-30}}</ref><ref>{{cite book | last = Mullaney | first = James | year = 2007 | title = The Herschel objects and how to observe them | url = https://archive.org/details/herschelobjectsh00mull_717 | publisher = [[施普林格科学+商业媒体|Springer Science+Business Media]] | location = New York City | page = [https://archive.org/details/herschelobjectsh00mull_717/page/n48 39] | isbn = 978-0-387-68124-5}}</ref>。四颗恒星亮度都算不上出类拔萃，但因所在位置比较黯淡，星群在夜空很容易识别<ref name="arnold">{{cite book | last1 = Arnold | first1 = H.J.P | last2 = Doherty | first2 = Paul | last3 = Moore | first3 = Patrick | title = The Photographic Atlas of the Stars | publisher = CRC Press | location = Boca Raton, Florida | year = 1999 | isbn = 978-0-7503-0654-6 | url = https://books.google.com.hk/books?id=YjcvJUfnWBAC&pg=PA140&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false | access-date = 2021-04-30 | page = 140}}</ref>。軫宿一与軫宿三指向角宿一，其中2.59视星等的轸宿一是乌鸦座最亮恒星<ref name="kalergamma">{{cite web | last = Kaler | first = James B. (Jim) | year = 2004 | url = http://stars.astro.illinois.edu/sow/gienah.html | title = Gienah Corvi | work = Stars | publisher = University of Illinois | access-date = 2021-04-30}}</ref>。该星又名“吉恩纳”（{{lang|en|Gienah}}），意指“翼”<ref name="kalergamma" />，在拜尔《[[测天图]]》上代表乌鸦的左翼<ref name="wagman" />。轸宿一离地154±1[[光年]]<ref name="vanLeeuwen2007">{{cite journal | first = F. | last = van Leeuwen | title = Validation of the New Hipparcos Reduction | journal = [[天文与天体物理学报|Astronomy and Astrophysics]] | volume = 474 | issue = 2 | pages = 653–664 | year = 2007 | bibcode = 2007A&A...474..653V | doi = 10.1051/0004-6361:20078357 | arxiv = 0708.1752}}</ref>，是光谱等级B8III的蓝白[[巨星]]，拥有{{val|4.2|+0.4|-0.3}}倍太阳质量<ref name="apj736_2_89" />，355倍[[太阳光度]]<ref name="kalergamma" />。该星已有约{{val|1.6|+0.4|-0.3}}亿年历史<ref name="apj736_2_89">{{cite journal | last1 = Janson | first1 = Markus | last2 = Bonavita | first2 = Mariangela | last3 = Klahr | first3 = Hubert | last4 = Lafrenière | first4 = David | last5 = Jayawardhana | first5 = Ray | last6 = Zinnecker | first6 = Hans | title = High-contrast Imaging Search for Planets and Brown Dwarfs around the Most Massive Stars in the Solar Neighborhood | journal = [[天文物理期刊|The Astrophysical Journal]] | volume = 736 | issue = 2 | page = 89 | year = 2011 | doi = 10.1088/0004-637X/736/2/89 | bibcode = 2011ApJ...736...89J | arxiv = 1105.2577}}</ref>，核心的氢基本耗尽并开始膨胀和冷却，[[恒星演化|脱离]][[主序星]]阶段<ref name="kalergamma" />。轸宿一是[[联星]]，伴星是[[橙矮星]]或[[红矮星]]，光谱等级K5V至M5V，质量约为太阳八成<ref name="aj133_2_545">{{cite journal | last1 = Roberts | first1 = Lewis C. Jr. | last2 = Turner | first2 = Nils H. | last3 = ten Brummelaar | first3 = Theo A. | title = Adaptive Optics Photometry and Astrometry of Binary Stars. II. A Multiplicity Survey of B Stars | journal = The Astronomical Journal | volume = 133 | issue = 2 | pages = 545–552 | date = 2007-02 | doi = 10.1086/510335 | bibcode = 2007AJ....133..545R}}</ref>。主星和伴星相隔约50[[天文单位]]{{refn|group="注"|[[天文单位]]即地球与太阳的间距。}}，估计伴星围绕主星的公转周期是158年<ref name="apj736_2_89" />。轸宿三是小型业余望远镜便能区分的[[双星]]，2.9视星等的蓝白色主星距地球约87光年<ref name="vanLeeuwen2007" />，约有2.7倍太阳质量，表面温度1.04万[[开尔文]]但光度达太阳65到70倍，估计该星要么是仅320万年历史的年轻主序星，尚未进入稳定的主序星阶段；要么是2.6亿年历史的衰老星体，开始耗尽核心含氢并膨胀和冷却，摆脱主序星阶段的同时辐射光度更强。星体光谱A0IV，与第二种情况相符。<ref name="aaa495_3_901">{{cite journal | last1 = Montesinos | first1 = B. | last2 = Eiroa | first2 = C. | last3 = Mora | first3 = A. | last4 = Merín | first4 = B. | title = Parameters of Herbig Ae/Be and Vega-type stars | journal = Astronomy and Astrophysics | volume = 495 | issue = 3 | pages = 901–917 | year = 2009 | doi = 10.1051/0004-6361:200810623 | bibcode = 2009A&A...495..901M | arxiv = 0811.3557}}</ref>轸宿三一号伴星周围发现温暖的[[星周塵]]，天文学通常把星周尘纳入恒星系<ref name="Ertel">{{cite journal | year = 2014 | last1 = Ertel | first1 = S. | last2 = Absil | first2 = O. | last3 = Defrère | first3 = D. | last4 = Le Bouquin | first4 = J.-B. | last5 = Augereau | first5 = J.-C. | last6 = Marion | first6 = L. | last7 = Blind | first7 = N. | last8 = Bonsor | first8 = A. | last9 = Bryden | first9 = G. | last10 = Lebreton | first10 = J. | last11 = Milli | first11 = J. | title = A near-infrared interferometric survey of debris-disk stars. IV. An unbiased sample of 92 southern stars observed in H band with VLTI/PIONIER | journal = Astronomy and Astrophysics | volume = 570 | pages = 20 | id = A128 | doi = 10.1051/0004-6361/201424438 | bibcode = 2014A&A...570A.128E | arxiv = 1409.6143}}</ref>。二号伴星光谱K，是8.51视星等的橙矮星，周围也有星周塵。该星是后[[金牛T星]]，距主星至少650天文单位，公转周期至少9400年<ref name="kalerdelta">{{cite web | last1 = Kaler | first1 = James B. (Jim) | year = 2000 | url = http://stars.astro.illinois.edu/sow/algorab.html | title = Algorab | work = Stars | publisher = University of Illinois | access-date = 2021-05-01}}</ref>。轸宿三又名“阿尔戈拉布”（{{lang|la|Algorab}}），意为“乌鸦”<ref name="Ridpath-Tirion" />，与另一颗星代表乌鸦的右翼<ref name="wagman" />。联星斯特鲁维1669位于轸宿三东北4.5度，由相距5.4[[弧秒]]的两颗白色星体组成，可用小型业余望远镜分辨<ref name="Bakich2010">{{cite book | title = 1,001 Celestial Wonders to See Before You Die: The Best Sky Objects for Star Gazers | series = The Patrick Moore Practical Astronomy Series | pages = 135–136 | first = Michael E. | last = Bakich | publisher = Springer Science+Business Media | location = New York City | year = 2010 | isbn = 978-1-4419-1777-5 | access-date = 2021-05-01 | url = https://books.google.com.hk/books?id=qEhpS7d5ZdAC&pg=PA135&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false}}</ref>。联星离地280光年，合并视星等5.2（肉眼可见），其中主星5.9视星等，从星6.0视星等<ref name="Ridpath-Tirion" />。
乌鸦座亮星[[軫宿三]]、[[軫宿一]]、[[軫宿二]]、[[軫宿四]]组成人称“[[角宿一]][[后桅纵帆]]”<ref>{{cite book | last = Nickel | first = James | year = 1999 | title = Lift Up Your Eyes on High: Understanding the Stars | publisher = Christian Liberty Press | location = Arlington Heights, Illinois | page = 53 | isbn = 978-1-930367-37-1}}</ref>或“船帆”的四边形[[星群]]<ref>{{cite book | last = Bakich | first = Michael E. | year = 1995 | title = The Cambridge Guide to the Constellations | | location = Cambridge, United Kingdom | publisher = Cambridge University Press | pages = 21–22 | isbn = 978-0-521-46520-5 | access-date = 2021-04-30}}</ref><ref>{{cite book | last = Mullaney | first = James | year = 2007 | title = The Herschel objects and how to observe them | | publisher = [[施普林格科学+商业媒体|Springer Science+Business Media]] | location = New York City | page = 39 | isbn = 978-0-387-68124-5}}</ref>。四颗恒星亮度都算不上出类拔萃，但因所在位置比较黯淡，星群在夜空很容易识别<ref name="arnold">{{cite book | last1 = Arnold | first1 = H.J.P | last2 = Doherty | first2 = Paul | last3 = Moore | first3 = Patrick | title = The Photographic Atlas of the Stars | publisher = CRC Press | location = Boca Raton, Florida | year = 1999 | isbn = 978-0-7503-0654-6 | | access-date = 2021-04-30 | page = 140}}</ref>。軫宿一与軫宿三指向角宿一，其中2.59视星等的轸宿一是乌鸦座最亮恒星<ref name="kalergamma">{{cite web | last = Kaler | first = James B. (Jim) | year = 2004 | url = http://stars.astro.illinois.edu/sow/gienah.html | title = Gienah Corvi | work = Stars | publisher = University of Illinois | access-date = 2021-04-30}}</ref>。该星又名“吉恩纳”（{{lang|en|Gienah}}），意指“翼”<ref name="kalergamma" />，在拜尔《[[测天图]]》上代表乌鸦的左翼<ref name="wagman" />。轸宿一离地154±1[[光年]]<ref name="vanLeeuwen2007">{{cite journal | first = F. | last = van Leeuwen | title = Validation of the New Hipparcos Reduction | journal = [[天文与天体物理学报|Astronomy and Astrophysics]] | volume = 474 | issue = 2 | pages = 653–664 | year = 2007 | bibcode = 2007A&A...474..653V | doi = 10.1051/0004-6361:20078357 | arxiv = 0708.1752}}</ref>，是光谱等级B8III的蓝白[[巨星]]，拥有{{val|4.2|+0.4|-0.3}}倍太阳质量<ref name="apj736_2_89" />，355倍[[太阳光度]]<ref name="kalergamma" />。该星已有约{{val|1.6|+0.4|-0.3}}亿年历史<ref name="apj736_2_89">{{cite journal | last1 = Janson | first1 = Markus | last2 = Bonavita | first2 = Mariangela | last3 = Klahr | first3 = Hubert | last4 = Lafrenière | first4 = David | last5 = Jayawardhana | first5 = Ray | last6 = Zinnecker | first6 = Hans | title = High-contrast Imaging Search for Planets and Brown Dwarfs around the Most Massive Stars in the Solar Neighborhood | journal = [[天文物理期刊|The Astrophysical Journal]] | volume = 736 | issue = 2 | page = 89 | year = 2011 | doi = 10.1088/0004-637X/736/2/89 | bibcode = 2011ApJ...736...89J | arxiv = 1105.2577}}</ref>，核心的氢基本耗尽并开始膨胀和冷却，[[恒星演化|脱离]][[主序星]]阶段<ref name="kalergamma" />。轸宿一是[[联星]]，伴星是[[橙矮星]]或[[红矮星]]，光谱等级K5V至M5V，质量约为太阳八成<ref name="aj133_2_545">{{cite journal | last1 = Roberts | first1 = Lewis C. Jr. | last2 = Turner | first2 = Nils H. | last3 = ten Brummelaar | first3 = Theo A. | title = Adaptive Optics Photometry and Astrometry of Binary Stars. II. A Multiplicity Survey of B Stars | journal = The Astronomical Journal | volume = 133 | issue = 2 | pages = 545–552 | date = 2007-02 | doi = 10.1086/510335 | bibcode = 2007AJ....133..545R}}</ref>。主星和伴星相隔约50[[天文单位]]{{refn|group="注"|[[天文单位]]即地球与太阳的间距。}}，估计伴星围绕主星的公转周期是158年<ref name="apj736_2_89" />。轸宿三是小型业余望远镜便能区分的[[双星]]，2.9视星等的蓝白色主星距地球约87光年<ref name="vanLeeuwen2007" />，约有2.7倍太阳质量，表面温度1.04万[[开尔文]]但光度达太阳65到70倍，估计该星要么是仅320万年历史的年轻主序星，尚未进入稳定的主序星阶段；要么是2.6亿年历史的衰老星体，开始耗尽核心含氢并膨胀和冷却，摆脱主序星阶段的同时辐射光度更强。星体光谱A0IV，与第二种情况相符。<ref name="aaa495_3_901">{{cite journal | last1 = Montesinos | first1 = B. | last2 = Eiroa | first2 = C. | last3 = Mora | first3 = A. | last4 = Merín | first4 = B. | title = Parameters of Herbig Ae/Be and Vega-type stars | journal = Astronomy and Astrophysics | volume = 495 | issue = 3 | pages = 901–917 | year = 2009 | doi = 10.1051/0004-6361:200810623 | bibcode = 2009A&A...495..901M | arxiv = 0811.3557}}</ref>轸宿三一号伴星周围发现温暖的[[星周塵]]，天文学通常把星周尘纳入恒星系<ref name="Ertel">{{cite journal | year = 2014 | last1 = Ertel | first1 = S. | last2 = Absil | first2 = O. | last3 = Defrère | first3 = D. | last4 = Le Bouquin | first4 = J.-B. | last5 = Augereau | first5 = J.-C. | last6 = Marion | first6 = L. | last7 = Blind | first7 = N. | last8 = Bonsor | first8 = A. | last9 = Bryden | first9 = G. | last10 = Lebreton | first10 = J. | last11 = Milli | first11 = J. | title = A near-infrared interferometric survey of debris-disk stars. IV. An unbiased sample of 92 southern stars observed in H band with VLTI/PIONIER | journal = Astronomy and Astrophysics | volume = 570 | pages = 20 | id = A128 | doi = 10.1051/0004-6361/201424438 | bibcode = 2014A&A...570A.128E | arxiv = 1409.6143}}</ref>。二号伴星光谱K，是8.51视星等的橙矮星，周围也有星周塵。该星是后[[金牛T星]]，距主星至少650天文单位，公转周期至少9400年<ref name="kalerdelta">{{cite web | last1 = Kaler | first1 = James B. (Jim) | year = 2000 | url = http://stars.astro.illinois.edu/sow/algorab.html | title = Algorab | work = Stars | publisher = University of Illinois | access-date = 2021-05-01}}</ref>。轸宿三又名“阿尔戈拉布”（{{lang|la|Algorab}}），意为“乌鸦”<ref name="Ridpath-Tirion" />，与另一颗星代表乌鸦的右翼<ref name="wagman" />。联星斯特鲁维1669位于轸宿三东北4.5度，由相距5.4[[弧秒]]的两颗白色星体组成，可用小型业余望远镜分辨<ref name="Bakich2010">{{cite book | title = 1,001 Celestial Wonders to See Before You Die: The Best Sky Objects for Star Gazers | series = The Patrick Moore Practical Astronomy Series | pages = 135–136 | first = Michael E. | last = Bakich | publisher = Springer Science+Business Media | location = New York City | year = 2010 | isbn = 978-1-4419-1777-5 | access-date = 2021-05-01 }}</ref>。联星离地280光年，合并视星等5.2（肉眼可见），其中主星5.9视星等，从星6.0视星等<ref name="Ridpath-Tirion" />。


2.7视星等的轸宿四又名“克拉兹”（{{lang|en|Kraz}}<ref name="wagman" /><ref name="IAU-LSN">{{cite web | url=https://www.iau.org/public/themes/naming_stars/ | title=Naming Stars |publisher=IAU.org |access-date=30 July 2018}}</ref>），位于乌鸦胸口，离地146±1光年<ref name="vanLeeuwen2007" />，约有2.06亿年历史和3.7±1倍太阳质量，耗尽核心含氢后膨胀并冷却至表面温度5100开尔文，如今是光谱等级G5II的黄[[亮巨星]]<ref name="mnras402_2_1369">{{cite journal | last1 = Lyubimkov | first1 = Leonid S. | last2 = Lambert | first2 = David L. | last3 = Rostopchin | first3 = Sergey I. | last4 = Rachkovskaya | first4 = Tamara M. | last5 = Poklad | first5 = Dmitry B. | title = Accurate fundamental parameters for A-, F- and G-type Supergiants in the solar neighbourhood | journal = [[皇家天文学会月報|Monthly Notices of the Royal Astronomical Society]] | volume = 402 | issue = 2 | pages = 1369–1379 | date = 2010-02 | doi = 10.1111/j.1365-2966.2009.15979.x | bibcode = 2010MNRAS.402.1369L | arxiv = 0911.1335}}</ref>。估计轸宿四至今大部分时间是光谱等级B7V的[[B型主序星|蓝白主序星]]<ref name="kalerbeta">{{cite web | last = Kaler | first = James B. (Jim) | access-date = 2021-05-01 | url = http://stars.astro.illinois.edu/sow/kraz.html | title = Kraz | work = Stars | publisher = University of Illinois | archive-url = http://web.archive.org/web/20210415200359/http://stars.astro.illinois.edu/sow/kraz.html | archive-date = 2021-04-15 | dead-url = no}}</ref>。代表乌鸦鼻孔位置的轸宿二又名“明卡尔”（{{lang|en|Minkar}}），离地约318±5光年<ref name="vanLeeuwen2007" />，是光谱等级K2III的[[红巨星]]，约有54倍[[太阳半径]]和930倍太阳光度<ref>{{cite journal | last1 = Aurière | first1 = M. | last2 = Konstantinova-Antova | first2 = R. | last3 = Charbonnel | first3 = C. | last4 = Wade | first4 = G. A. | last5 = Tsvetkova | first5 = S. | last6 = Petit | first6 = P. | last7 = Dintrans | first7 = B. | last8 = Drake | first8 = N. A. | last9 = Decressin | first9 = T. | last10 = Lagarde | first10 = N. | last11 = Donati | first11 = J.-F. | last12 = Roudier | first12 = T. | last13 = Lignières | first13 = F. | last14 = Schröder | first14 = K.-P. | last15 = Landstreet | first15 = J. D. | last16 = Lèbre | first16 = A. | last17 = Weiss | first17 = W. W. | last18 = Zahn | first18 = J.-P. | year = 2015 | title = The magnetic fields at the surface of active single G-K giants | journal = Astronomy and Astrophysics | volume = 574 | id = A90 | page = 30 | doi = 10.1051/0004-6361/201424579 | bibcode = 2015A&A...574A..90A | arxiv = 1411.6230}}</ref>。该星质量约为太阳四倍，成型后大部分时间是光谱等级B5V的主序星<ref name="kalereps">{{cite web | last = Kaler | first = James B. (Jim) | url = http://stars.astro.illinois.edu/sow/minkar.html | title = Minkar | work = Stars | dead-url = no | archive-url = http://web.archive.org/web/20210415200401/http://stars.astro.illinois.edu/sow/minkar.html | publisher = University of Illinois | archive-date = 2021-04-15 | access-date = 2021-05-01}}</ref>。光谱等级K1III的橙色衰老恒星[[轸宿增五]]位于四边形星群以南、轸宿二与轸宿四之间<ref name="arnold" />，光度约为太阳70倍<ref name="Mcdonald">{{cite journal | last1 = McDonald | first1 = I. | last2 = Zijlstra | first2 = A. A. | last3 = Boyer | first3 = M. L. | year = 2012 | title = Fundamental Parameters and Infrared Excesses of Hipparcos Stars | journal = Monthly Notices of the Royal Astronomical Society | volume = 427 | issue = 1 | pages = 343–357 | bibcode = 2012MNRAS.427..343M | arxiv = 1208.2037 | doi = 10.1111/j.1365-2966.2012.21873.x}}</ref>，距地球331±10光年<ref name="vanLeeuwen2007" />。
2.7视星等的轸宿四又名“克拉兹”（{{lang|en|Kraz}}<ref name="wagman" /><ref name="IAU-LSN">{{cite web | url=https://www.iau.org/public/themes/naming_stars/ | title=Naming Stars |publisher=IAU.org |access-date=2018-07-30}}</ref>），位于乌鸦胸口，离地146±1光年<ref name="vanLeeuwen2007" />，约有2.06亿年历史和3.7±1倍太阳质量，耗尽核心含氢后膨胀并冷却至表面温度5100开尔文，如今是光谱等级G5II的黄[[亮巨星]]<ref name="mnras402_2_1369">{{cite journal | last1 = Lyubimkov | first1 = Leonid S. | last2 = Lambert | first2 = David L. | last3 = Rostopchin | first3 = Sergey I. | last4 = Rachkovskaya | first4 = Tamara M. | last5 = Poklad | first5 = Dmitry B. | title = Accurate fundamental parameters for A-, F- and G-type Supergiants in the solar neighbourhood | journal = [[皇家天文学会月報|Monthly Notices of the Royal Astronomical Society]] | volume = 402 | issue = 2 | pages = 1369–1379 | date = 2010-02 | doi = 10.1111/j.1365-2966.2009.15979.x | bibcode = 2010MNRAS.402.1369L | arxiv = 0911.1335}}</ref>。估计轸宿四至今大部分时间是光谱等级B7V的[[B型主序星|蓝白主序星]]<ref name="kalerbeta">{{cite web | last = Kaler | first = James B. (Jim) | access-date = 2021-05-01 | url = http://stars.astro.illinois.edu/sow/kraz.html | title = Kraz | work = Stars | publisher = University of Illinois }}</ref>。代表乌鸦鼻孔位置的轸宿二又名“明卡尔”（{{lang|en|Minkar}}），离地约318±5光年<ref name="vanLeeuwen2007" />，是光谱等级K2III的[[红巨星]]，约有54倍[[太阳半径]]和930倍太阳光度<ref>{{cite journal | last1 = Aurière | first1 = M. | last2 = Konstantinova-Antova | first2 = R. | last3 = Charbonnel | first3 = C. | last4 = Wade | first4 = G. A. | last5 = Tsvetkova | first5 = S. | last6 = Petit | first6 = P. | last7 = Dintrans | first7 = B. | last8 = Drake | first8 = N. A. | last9 = Decressin | first9 = T. | last10 = Lagarde | first10 = N. | last11 = Donati | first11 = J.-F. | last12 = Roudier | first12 = T. | last13 = Lignières | first13 = F. | last14 = Schröder | first14 = K.-P. | last15 = Landstreet | first15 = J. D. | last16 = Lèbre | first16 = A. | last17 = Weiss | first17 = W. W. | last18 = Zahn | first18 = J.-P. | year = 2015 | title = The magnetic fields at the surface of active single G-K giants | journal = Astronomy and Astrophysics | volume = 574 | id = A90 | page = 30 | doi = 10.1051/0004-6361/201424579 | bibcode = 2015A&A...574A..90A | arxiv = 1411.6230}}</ref>。该星质量约为太阳四倍，成型后大部分时间是光谱等级B5V的主序星<ref name="kalereps">{{cite web | last = Kaler | first = James B. (Jim) | url = http://stars.astro.illinois.edu/sow/minkar.html | title = Minkar | work = Stars | | | publisher = University of Illinois | | access-date = 2021-05-01}}</ref>。光谱等级K1III的橙色衰老恒星[[轸宿增五]]位于四边形星群以南、轸宿二与轸宿四之间<ref name="arnold" />，光度约为太阳70倍<ref name="Mcdonald">{{cite journal | last1 = McDonald | first1 = I. | last2 = Zijlstra | first2 = A. A. | last3 = Boyer | first3 = M. L. | year = 2012 | title = Fundamental Parameters and Infrared Excesses of Hipparcos Stars | journal = Monthly Notices of the Royal Astronomical Society | volume = 427 | issue = 1 | pages = 343–357 | bibcode = 2012MNRAS.427..343M | arxiv = 1208.2037 | doi = 10.1111/j.1365-2966.2012.21873.x}}</ref>，距地球331±10光年<ref name="vanLeeuwen2007" />。


光谱等级F1V的四等白色恒星右辖又名阿尔奇巴（{{lang|en|Alchiba}}），离地48.7±0.1光年<ref name="vanLeeuwen2007" />。该星光谱以三天为周期变化，要么是[[联星|光谱联星]]，但更可能是[[劍鱼座γ型變星]]，如果确是后者，估计星体质量约为太阳1.39倍<ref name="Fuhrmann 2012">{{cite journal | last1 = Fuhrmann | first1 = K. | last2 = Chini | first2 = R. | year = 2012 | title = Multiplicity among F-type Stars | journal = The Astrophysical Journal Supplement | volume = 203 | issue = 2 | page = 20 | id = 30 | doi = 10.1088/0067-0049/203/2/30 | bibcode = 2012ApJS..203...30F}}</ref>。拜尔星图把右辖标在乌鸦的喙上方<ref name="wagman" />。
光谱等级F1V的四等白色恒星右辖又名阿尔奇巴（{{lang|en|Alchiba}}），离地48.7±0.1光年<ref name="vanLeeuwen2007" />。该星光谱以三天为周期变化，要么是[[联星|光谱联星]]，但更可能是[[劍鱼座γ型變星]]，如果确是后者，估计星体质量约为太阳1.39倍<ref name="Fuhrmann 2012">{{cite journal | last1 = Fuhrmann | first1 = K. | last2 = Chini | first2 = R. | year = 2012 | title = Multiplicity among F-type Stars | journal = The Astrophysical Journal Supplement | volume = 203 | issue = 2 | page = 20 | id = 30 | doi = 10.1088/0067-0049/203/2/30 | bibcode = 2012ApJS..203...30F}}</ref>。拜尔星图把右辖标在乌鸦的喙上方<ref name="wagman" />。


除轸宿三外，光谱等级F2V的黄白主序星左辖也代表乌鸦右翼<ref name="wagman" />，质量为太阳1.52倍，光度4.87倍，距太阳系约59光年<ref name="Pawellek 2014">{{cite journal | last1 = Pawellek | first1 = Nicole | last2 = Krivov | first2 = Alexander V. | last3 = Marshall | first3 = Jonathan P. | last4 = Montesinos | first4 = Benjamin | last5 = Ábrahám | first5 = Péter | last6 = Moór | first6 = Attila | last7 = Bryden | first7 = Geoffrey | last8 = Eiroa | first8 = Carlos | year = 2014 | title = Disk Radii and Grain Sizes in Herschel-resolved Debris Disks | journal = The Astrophysical Journal | volume = 792 | issue = 1 | id = 65 | page = 19 | bibcode = 2014ApJ...792...65P | doi = 10.1088/0004-637X/792/1/65 | arxiv = 1407.4579}}</ref>。该星有两道[[岩屑盤]]环绕，其一相隔不到3.5天文单位，内部温度较高；其二相隔约150天文单位<ref name="smith2008">{{cite journal | last = Smith | first = R. | year = 2008 | title = The nature of mid-infrared excesses from hot dust around Sun-like stars | journal = Astronomy and Astrophysics | volume = 485 | issue = 3 | pages = 897–915 | bibcode = 2008A&A...485..897S | doi = 10.1051/0004-6361:20078719 | arxiv = 0804.4580}}</ref><ref name="apj620">{{cite journal | last = Wyatt | first = M. C. | year = 2005 | title = Submillimeter Images of a Dusty Kuiper Belt around η Corvi | journal = The Astrophysical Journal | volume = 620 | issue = 1 | pages = 492–500 | arxiv = astro-ph/0411061 | bibcode = 2005ApJ...620..492W | doi = 10.1086/426929}}</ref>5.21视星等的蓝白[[Be星]][[长沙 (恒星)|长沙]]代表乌鸦颈部<ref name="wagman" />，与星体HR 4691相距七弧秒<ref name="kalerzeta">{{cite web | last = Kaler | first = James B. (Jim) | date = 2013-04-26 | archive-date = 2021-04-15 | archive-url = http://web.archive.org/web/20210415191814/http://stars.astro.illinois.edu/sow/zetacrv.html | dead-url = no | url = http://stars.astro.illinois.edu/sow/zetacrv.html | title = Zeta Corvi | work = Stars | publisher = University of Illinois | access-date = 2021-05-01}}</ref>，距地球420±10光年<ref name="vanLeeuwen2007" />，光谱等级B8V。光谱中的氢发射线表明该星有[[星周盤]]，可能是光学双星或多颗恒星组成的小星系，与主星相隔至少五万天文单位，公转周期至少350万年。HR 4691也是双星，主星是光谱等级K0或G3的衰老黄巨星，从星是[[黃-白矮星|F型主序星]]。<ref name="kalerzeta" />
除轸宿三外，光谱等级F2V的黄白主序星左辖也代表乌鸦右翼<ref name="wagman" />，质量为太阳1.52倍，光度4.87倍，距太阳系约59光年<ref name="Pawellek 2014">{{cite journal | last1 = Pawellek | first1 = Nicole | last2 = Krivov | first2 = Alexander V. | last3 = Marshall | first3 = Jonathan P. | last4 = Montesinos | first4 = Benjamin | last5 = Ábrahám | first5 = Péter | last6 = Moór | first6 = Attila | last7 = Bryden | first7 = Geoffrey | last8 = Eiroa | first8 = Carlos | year = 2014 | title = Disk Radii and Grain Sizes in Herschel-resolved Debris Disks | journal = The Astrophysical Journal | volume = 792 | issue = 1 | id = 65 | page = 19 | bibcode = 2014ApJ...792...65P | doi = 10.1088/0004-637X/792/1/65 | arxiv = 1407.4579}}</ref>。该星有两道[[岩屑盤]]环绕，其一相隔不到3.5天文单位，内部温度较高；其二相隔约150天文单位<ref name="smith2008">{{cite journal | last = Smith | first = R. | year = 2008 | title = The nature of mid-infrared excesses from hot dust around Sun-like stars | journal = Astronomy and Astrophysics | volume = 485 | issue = 3 | pages = 897–915 | bibcode = 2008A&A...485..897S | doi = 10.1051/0004-6361:20078719 | arxiv = 0804.4580}}</ref><ref name="apj620">{{cite journal | last = Wyatt | first = M. C. | year = 2005 | title = Submillimeter Images of a Dusty Kuiper Belt around η Corvi | journal = The Astrophysical Journal | volume = 620 | issue = 1 | pages = 492–500 | arxiv = astro-ph/0411061 | bibcode = 2005ApJ...620..492W | doi = 10.1086/426929}}</ref>5.21视星等的蓝白[[Be星]][[长沙 (恒星)|长沙]]代表乌鸦颈部<ref name="wagman" />，与星体HR 4691相距七弧秒<ref name="kalerzeta">{{cite web | last = Kaler | first = James B. (Jim) | date = 2013-04-26 | | | | url = http://stars.astro.illinois.edu/sow/zetacrv.html | title = Zeta Corvi | work = Stars | publisher = University of Illinois | access-date = 2021-05-01}}</ref>，距地球420±10光年<ref name="vanLeeuwen2007" />，光谱等级B8V。光谱中的氢发射线表明该星有[[星周盤]]，可能是光学双星或多颗恒星组成的小星系，与主星相隔至少五万天文单位，公转周期至少350万年。HR 4691也是双星，主星是光谱等级K0或G3的衰老黄巨星，从星是[[黃-白矮星|F型主序星]]。<ref name="kalerzeta" />


佛兰斯蒂德曾把5.26视星等的[[HD 104337]]划入巨爵座，人类一度以为它是[[水星的卫星]]。1974年3月27日，[[水手10号]]发现该星发射的远紫外线，表明星体属卫星，但后来发现是由恒星发出。<ref>{{cite book | last = Moore | first = Patrick | title = The Data Book of Astronomy | publisher = CRC Press | location = Boca Raton, Florida | year = 2000 | page = 79 | isbn = 978-1-4200-3344-1 | access-date = 2021-05-01 | url = https://books.google.com.hk/books?id=fDDpBwAAQBAJ&q=moon+mercury+%2231+Crateris%22&pg=PA79&redir_esc=y&hl=zh-CN&sourceid=cndr#v=snippet&q=moon%20mercury%20%2231%20Crateris%22&f=false}}</ref><ref>{{cite journal | last = Stratford | first = R.L. | year = 1980 | title = 31 Crateris reexamined | journal = The Observatory | volume = 100 | page = 168 | bibcode = 1980Obs...100..168S}}</ref>如今科学家已确定HD 104337是遥远的联星系，主星是光谱等级B1.5V的炽热蓝白星，对伴星暂不了解。两星以2.9631天轨道周期围绕彼此旋转，主星可能是[[畢宿星团]]的[[蓝掉队星]]<ref name="mnras389_2_869">{{cite journal | last1 = Eggleton | first1 = P. P. | last2 = Tokovinin | first2 = A. A. | title = A catalogue of multiplicity among bright stellar systems | journal = Monthly Notices of the Royal Astronomical Society | volume = 389 | issue = 2 | pages = 869–879 | date = 2008-09 | doi = 10.1111/j.1365-2966.2008.13596.x | bibcode = 2008MNRAS.389..869E | arxiv = 0806.2878}}</ref>，约有15.5倍太阳质量，光度更达52262倍<ref name="an331_4_349">{{cite journal | last1 = Hohle | first1 = M. M. | last2 = Neuhäuser | first2 = R. | last3 = Schutz | first3 = B. F. | title = Masses and luminosities of O- and B-type stars and red supergiants | journal = [[天文学通報|Astronomische Nachrichten]] | volume = 331 | issue = 4 | pages = 349–360 | date = 2010-04 | doi = 10.1002/asna.200911355 | bibcode = 2010AN....331..349H | arxiv = 1003.2335}}</ref>。
佛兰斯蒂德曾把5.26视星等的[[HD 104337]]划入巨爵座，人类一度以为它是[[水星的卫星]]。1974年3月27日，[[水手10号]]发现该星发射的远紫外线，表明星体属卫星，但后来发现是由恒星发出。<ref>{{cite book | last = Moore | first = Patrick | title = The Data Book of Astronomy | publisher = CRC Press | location = Boca Raton, Florida | year = 2000 | page = 79 | isbn = 978-1-4200-3344-1 | access-date = 2021-05-01 }}</ref><ref>{{cite journal | last = Stratford | first = R.L. | year = 1980 | title = 31 Crateris reexamined | journal = The Observatory | volume = 100 | page = 168 | bibcode = 1980Obs...100..168S}}</ref>如今科学家已确定HD 104337是遥远的联星系，主星是光谱等级B1.5V的炽热蓝白星，对伴星暂不了解。两星以2.9631天轨道周期围绕彼此旋转，主星可能是[[畢宿星团]]的[[蓝掉队星]]<ref name="mnras389_2_869">{{cite journal | last1 = Eggleton | first1 = P. P. | last2 = Tokovinin | first2 = A. A. | title = A catalogue of multiplicity among bright stellar systems | journal = Monthly Notices of the Royal Astronomical Society | volume = 389 | issue = 2 | pages = 869–879 | date = 2008-09 | doi = 10.1111/j.1365-2966.2008.13596.x | bibcode = 2008MNRAS.389..869E | arxiv = 0806.2878}}</ref>，约有15.5倍太阳质量，光度更达52262倍<ref name="an331_4_349">{{cite journal | last1 = Hohle | first1 = M. M. | last2 = Neuhäuser | first2 = R. | last3 = Schutz | first3 = B. F. | title = Masses and luminosities of O- and B-type stars and red supergiants | journal = [[天文学通報|Astronomische Nachrichten]] | volume = 331 | issue = 4 | pages = 349–360 | date = 2010-04 | doi = 10.1002/asna.200911355 | bibcode = 2010AN....331..349H | arxiv = 1003.2335}}</ref>。


[[HD 110317]]又称乌鸦座VV，是间隔很小的光谱联星，围绕彼此旋转的[[轨道周期]]仅1.46天<ref>{{cite journal | last = Batten | first = A. H. | year = 1967 | title = Sixth catalogue of the orbital elements of spectroscopic binary systems | journal = Publications of the Dominion Astrophysical Observatory, Victoria | volume = 13 | pages = 119–251 | bibcode = 1967PDAO...13..119B}}</ref>。两者都是光谱等级F5V的黄白主序星，其中主星的主序星阶段即将结束，开始膨胀和冷却<ref name="fekel2013">{{cite journal | title = Absolute Properties of the Eclipsing Binary VV Corvi | last1 = Fekel | first1 = Francis C. | last2 = Henry | first2 = Gregory W. | last3 = Sowell | first3 = James R. | journal = The Astronomical Journal | volume = 146 | issue = 6 | id = 146 | page = 9 | year = 2013 | doi = 10.1088/0004-6256/146/6/146 | bibcode = 2013AJ....146..146F}}</ref>。两星质量比0.775±0.024<ref>{{cite journal | last1 = Lucy | first1 = L. B. | last2 = Ricco | first2 = E. | date = 1979-03 | title = The significance of binaries with nearly identical components | journal = The Astronomical Journal | volume = 84 | pages = 401–412 | bibcode = 1979AJ.....84..401L | doi = 10.1086/112434}}</ref>，[[2微米全天巡天]]在内部发现第三颗星体<ref>{{cite conference | last1 = Tokovinin | first1 = A. | last2 = Thomas | first2 = S. | last3 = Sterzik | first3 = M. | last4 = Udry | first4 = S. | title = Tertiary companions to close spectroscopic binaries | book-title = Multiple Stars Across the H-R Diagram, ESO Astrophysics Symposia | publisher = Berlin Heidelberg | year = 2008 | page = 129 | arxiv = astro-ph/0601518 | isbn = 978-3-540-74744-4 | bibcode = 2006yCat..34500681T | doi = 10.1051/0004-6361:20054427}}</ref>。[[乌鸦座W]]是亮度以九小时周期在11.16到12.5视星等变动的食双星<ref name="AAVSOW">{{cite web | url = https://www.aavso.org/vsx/index.php?view=detail.top&oid=10676 | title = W Corvi | last = Watson | first = Christopher | date = 2010-01-04 | work = The International Variable Star Index | publisher = [[美国变星观测者协会|American Association of Variable Star Observers]] | access-date = 2021-05-01 | archive-date = 2020-07-28 | archive-url = http://web.archive.org/web/20200728223600/http://www.aavso.org/vsx/index.php?view=detail.top&oid=10676 | dead-url = no}}</ref>，过去100年变动周期共延长一秒。两星距离很近，但表面温度差异很大，没有像科学家预料的那样发生热传递<ref name="odell96">{{cite journal | title = Changes in the Period and Light Curve of W Corvi | last = Odell | first = Andrew P. | journal = Monthly Notices of the Royal Astronomical Society | volume = 282 | issue = 2 | pages = 373–383 | year = 1996 | bibcode = 1996MNRAS.282..373O | doi = 10.1093/mnras/282.2.373}}</ref>。[[乌鸦座SX]]不但是[[食双星]]，还是相互接触的[[大熊座W型變星]]，两星距离太近令质量相互转移，此时从星已经可以视为主星的质量组成<ref name="Yildiz">{{cite journal | last = Yildiz | first = M. | year = 2014 | title = Origin of W UMa-type contact binaries – age and orbital evolution | journal = Monthly Notices of the Royal Astronomical Society | volume = 437 | issue = 1 | pages = 185–194 | doi = 10.1093/mnras/stt1874 | bibcode = 2014MNRAS.437..185Y | arxiv = 1310.5526}}</ref>。[[乌雅座RV]]也是食双星，视星等以18小时周期在8.6至9.16变化<ref name="AAVSORV">{{cite web | url = https://www.aavso.org/vsx/index.php?view=detail.top&oid=10684 | title = RV Corvi | last = Watson | first = Christopher | date = 2010-01-04 | work = The International Variable Star Index | publisher = American Association of Variable Star Observers | access-date = 2021-05-01 | dead-url = no | archive-url = http://web.archive.org/web/20200728221136/http://www.aavso.org/vsx/index.php?view=detail.top&oid=10684 | archive-date = 2020-07-28}}</ref>。两星光谱等级分别是F0和G0，围绕彼此旋转的轨道周期只有0.7473天<ref name="aaa446_2_785">{{cite journal | last1 = Malkov | first1 = O. Yu. | last2 = Oblak | first2 = E. | last3 = Snegireva | first3 = E. A. | last4 = Torra | first4 = J. | title = A catalogue of eclipsing variables | journal = Astronomy and Astrophysics | volume = 446 | issue = 2 | year = 2006 | pages = 785–789 | doi = 10.1051/0004-6361:20053137 | bibcode = 2006A&A...446..785M | url = https://elar.urfu.ru/bitstream/10995/73280/1/10.1051-0004-6361-20053137.pdf | dead-url = no | archive-date = 2020-11-22 | format = PDF | archive-url = http://web.archive.org/web/20201122081044/https://elar.urfu.ru/bitstream/10995/73280/1/10.1051-0004-6361-20053137.pdf}}</ref>。
[[HD 110317]]又称乌鸦座VV，是间隔很小的光谱联星，围绕彼此旋转的[[轨道周期]]仅1.46天<ref>{{cite journal | last = Batten | first = A. H. | year = 1967 | title = Sixth catalogue of the orbital elements of spectroscopic binary systems | journal = Publications of the Dominion Astrophysical Observatory, Victoria | volume = 13 | pages = 119–251 | bibcode = 1967PDAO...13..119B}}</ref>。两者都是光谱等级F5V的黄白主序星，其中主星的主序星阶段即将结束，开始膨胀和冷却<ref name="fekel2013">{{cite journal | title = Absolute Properties of the Eclipsing Binary VV Corvi | last1 = Fekel | first1 = Francis C. | last2 = Henry | first2 = Gregory W. | last3 = Sowell | first3 = James R. | journal = The Astronomical Journal | volume = 146 | issue = 6 | id = 146 | page = 9 | year = 2013 | doi = 10.1088/0004-6256/146/6/146 | bibcode = 2013AJ....146..146F}}</ref>。两星质量比0.775±0.024<ref>{{cite journal | last1 = Lucy | first1 = L. B. | last2 = Ricco | first2 = E. | date = 1979-03 | title = The significance of binaries with nearly identical components | journal = The Astronomical Journal | volume = 84 | pages = 401–412 | bibcode = 1979AJ.....84..401L | doi = 10.1086/112434}}</ref>，[[2微米全天巡天]]在内部发现第三颗星体<ref>{{cite conference | last1 = Tokovinin | first1 = A. | last2 = Thomas | first2 = S. | last3 = Sterzik | first3 = M. | last4 = Udry | first4 = S. | title = Tertiary companions to close spectroscopic binaries | book-title = Multiple Stars Across the H-R Diagram, ESO Astrophysics Symposia | publisher = Berlin Heidelberg | year = 2008 | page = 129 | arxiv = astro-ph/0601518 | isbn = 978-3-540-74744-4 | bibcode = 2006yCat..34500681T | doi = 10.1051/0004-6361:20054427}}</ref>。[[乌鸦座W]]是亮度以九小时周期在11.16到12.5视星等变动的食双星<ref name="AAVSOW">{{cite web | url = https://www.aavso.org/vsx/index.php?view=detail.top&oid=10676 | title = W Corvi | last = Watson | first = Christopher | date = 2010-01-04 | work = The International Variable Star Index | publisher = [[美国变星观测者协会|American Association of Variable Star Observers]] | access-date = 2021-05-01 }}</ref>，过去100年变动周期共延长一秒。两星距离很近，但表面温度差异很大，没有像科学家预料的那样发生热传递<ref name="odell96">{{cite journal | title = Changes in the Period and Light Curve of W Corvi | last = Odell | first = Andrew P. | journal = Monthly Notices of the Royal Astronomical Society | volume = 282 | issue = 2 | pages = 373–383 | year = 1996 | bibcode = 1996MNRAS.282..373O | doi = 10.1093/mnras/282.2.373}}</ref>。[[乌鸦座SX]]不但是[[食双星]]，还是相互接触的[[大熊座W型變星]]，两星距离太近令质量相互转移，此时从星已经可以视为主星的质量组成<ref name="Yildiz">{{cite journal | last = Yildiz | first = M. | year = 2014 | title = Origin of W UMa-type contact binaries – age and orbital evolution | journal = Monthly Notices of the Royal Astronomical Society | volume = 437 | issue = 1 | pages = 185–194 | doi = 10.1093/mnras/stt1874 | bibcode = 2014MNRAS.437..185Y | arxiv = 1310.5526}}</ref>。[[乌雅座RV]]也是食双星，视星等以18小时周期在8.6至9.16变化<ref name="AAVSORV">{{cite web | url = https://www.aavso.org/vsx/index.php?view=detail.top&oid=10684 | title = RV Corvi | last = Watson | first = Christopher | date = 2010-01-04 | work = The International Variable Star Index | publisher = American Association of Variable Star Observers | access-date = 2021-05-01 }}</ref>。两星光谱等级分别是F0和G0，围绕彼此旋转的轨道周期只有0.7473天<ref name="aaa446_2_785">{{cite journal | last1 = Malkov | first1 = O. Yu. | last2 = Oblak | first2 = E. | last3 = Snegireva | first3 = E. A. | last4 = Torra | first4 = J. | title = A catalogue of eclipsing variables | journal = Astronomy and Astrophysics | volume = 446 | issue = 2 | year = 2006 | pages = 785–789 | doi = 10.1051/0004-6361:20053137 | bibcode = 2006A&A...446..785M | url = https://elar.urfu.ru/bitstream/10995/73280/1/10.1051-0004-6361-20053137.pdf | | | format = PDF }}</ref>。


长周期[[刍藁变星]][[乌鸦座R]]与轸宿一在同一片双筒望远镜视野<ref name="garfinkle">{{cite book | first = Robert A. | last = Garfinkle | title = Star-Hopping: Your Visa to Viewing the Universe | publisher = Cambridge University Press | year = 1997 | isbn = 0-521-59889-3 | page = 108 | access-date = 2021-05-01 | url = https://books.google.com.hk/books?id=40JzBYGREL0C&pg=PA108&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false}}</ref>，亮度以约317天周期在6.7至14.4视星等闪烁<ref name="AAVSO">{{cite web | archive-url = http://web.archive.org/web/20200728221023/http://www.aavso.org/vsx/index.php?view=detail.top&oid=10671 | url = https://www.aavso.org/vsx/index.php?view=detail.top&oid=10671 | title = R Corvi | author = VSX | date = 2010-01-04 | work = AAVSO Website | publisher = American Association of Variable Star Observers | access-date = 2021-05-01 | archive-date = 2020-07-28 | dead-url = no}}</ref>。[[乌鸦座TT]]是光谱等级M3III的红巨星和[[半规則變星]]，亮度6.48视星等，距地球约923光年<ref>{{cite journal | title = Long-term photometry and periods for 261 nearby pulsating M giants | last1 = Tabur | first1 = V. | last2 = Bedding | first2 = T. R. | year = 2009 | journal = Monthly Notices of the Royal Astronomical Society | volume = 400 | issue = 4 | pages = 1945–1961 | doi = 10.1111/j.1365-2966.2009.15588.x | arxiv = 0908.3228 | bibcode = 2009MNRAS.400.1945T}}</ref>，光度约太阳993倍<ref name="Mcdonald" />。[[南十字座TU]]又称乌鸦座TU，属[[矮造父變星]]，这类星体脉冲周期很短（不超六小时），常用于[[星震学]]研究和[[宇宙距离尺度]]<ref>{{cite web | url = https://www.aavso.org/vsots_delsct | title = Delta Scuti and the Delta Scuti Variables | last = Templeton | first = Matthew | date = 2010-07-16 | work = Variable Star of the Season | publisher = American Association of Variable Star Observers | access-date = 2021-05-01}}</ref>。该星亮度变化周期仅59分钟，变化幅度0.25视星等，均值6.53视星等<ref name="AAVSOTU">{{cite web | archive-url = http://web.archive.org/web/20200920213739/http://www.aavso.org/vsx/index.php?view=detail.top&oid=10702 | url = https://www.aavso.org/vsx/index.php?view=detail.top&oid=10702 | title = TU Corvi | last = Watson | first = Christopher | date = 2010-01-04 | work = The International Variable Star Index | publisher = American Association of Variable Star Observers | access-date = 2021-05-01 | archive-date = 2020-09-20 | dead-url = no}}</ref>。
长周期[[刍藁变星]][[乌鸦座R]]与轸宿一在同一片双筒望远镜视野<ref name="garfinkle">{{cite book | first = Robert A. | last = Garfinkle | title = Star-Hopping: Your Visa to Viewing the Universe | publisher = Cambridge University Press | year = 1997 | isbn = 0-521-59889-3 | page = 108 | access-date = 2021-05-01 }}</ref>，亮度以约317天周期在6.7至14.4视星等闪烁<ref name="AAVSO">{{cite web | | url = https://www.aavso.org/vsx/index.php?view=detail.top&oid=10671 | title = R Corvi | author = VSX | date = 2010-01-04 | work = AAVSO Website | publisher = American Association of Variable Star Observers | access-date = 2021-05-01 }}</ref>。[[乌鸦座TT]]是光谱等级M3III的红巨星和[[半规則變星]]，亮度6.48视星等，距地球约923光年<ref>{{cite journal | title = Long-term photometry and periods for 261 nearby pulsating M giants | last1 = Tabur | first1 = V. | last2 = Bedding | first2 = T. R. | year = 2009 | journal = Monthly Notices of the Royal Astronomical Society | volume = 400 | issue = 4 | pages = 1945–1961 | doi = 10.1111/j.1365-2966.2009.15588.x | arxiv = 0908.3228 | bibcode = 2009MNRAS.400.1945T}}</ref>，光度约太阳993倍<ref name="Mcdonald" />。[[南十字座TU]]又称乌鸦座TU，属[[矮造父變星]]，这类星体脉冲周期很短（不超六小时），常用于[[星震学]]研究和[[宇宙距离尺度]]<ref>{{cite web | url = https://www.aavso.org/vsots_delsct | title = Delta Scuti and the Delta Scuti Variables | last = Templeton | first = Matthew | date = 2010-07-16 | work = Variable Star of the Season | publisher = American Association of Variable Star Observers | access-date = 2021-05-01}}</ref>。该星亮度变化周期仅59分钟，变化幅度0.25视星等，均值6.53视星等<ref name="AAVSOTU">{{cite web | | url = https://www.aavso.org/vsx/index.php?view=detail.top&oid=10702 | title = TU Corvi | last = Watson | first = Christopher | date = 2010-01-04 | work = The International Variable Star Index | publisher = American Association of Variable Star Observers | access-date = 2021-05-01 }}</ref>。


乌鸦座已有三个恒星系发现行星。7.12视星等的黄白主序星[[HD 103774]]还很年轻，离地181±5光年，质量为太阳1.335±0.03倍，光度3.5±0.3倍。径向速度变化表明2013年该星有类似[[海王星]]尺寸的行星环绕，公转周期仅5.9天。<ref name="HARPS">{{cite journal | journal = Astronomy and Astrophysics | volume = 551 | id = A59 | page = 7 | title = The HARPS search for southern extrasolar planets: XXXVI. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone | arxiv = 1301.2741 | last1 = Lo Curto | first1 = G. | last2 = Mayor | first2 = M. | last3 = Benz | first3 = W. | last4 = Bouchy | first4 = F. | last5 = Hébrard | first5 = G. | last6 = Lovis | first6 = C. | last7 = Moutou | first7 = C. | last8 = Naef | first8 = D. | last9 = Pepe | first9 = F. | last10 = Queloz | first10 = D. | last11 = Santos | first11 = N. C. | last12 = Segransan | first12 = D. | last13 = Udry | first13 = S. | year = 2013 | bibcode = 2013A&A...551A..59L | doi = 10.1051/0004-6361/201220415}}</ref>[[HD 104067]]是光谱等级K2V、7.93视星等的橙矮星，距地球69±1光年，约有八成太阳质量，由约3.6倍木星质量的行星环绕，公转周期55.8天<ref name="Ségransan2011">{{cite journal | title = The HARPS search for southern extra-solar planets. XXIX. Four new planets in orbit around the moderately active dwarfs HD 63765, HD 104067, HD 125595, and HIP 70849 | url = http://www.aanda.org/articles/aa/full_html/2011/11/aa13580-09/aa13580-09.html | last1 = Ségransan | first1 = D. | last2 = Mayor | first2 = M. | last3 = Udry | first3 = S. | last4 = Lovis | first4 = C. | last5 = Benz | first5 = W. | last6 = Bouchy | first6 = F. | last7 = Lo Curto | first7 = G. | last8 = Mordasini | first8 = C. | last9 = Moutou | first9 = C. | last10 = Naef | first10 = D. | last11 = Pepe | first11 = F. | last12 = Queloz | first12 = D. | last13 = Santos | first13 = N. | journal = Astronomy and Astrophysics | volume = 535 | at = A54 | year = 2011 | arxiv = 1107.0339 | bibcode = 2011A&A...535A..54S | doi = 10.1051/0004-6361/200913580}}</ref>。WASP-83的行星质量接近[[土星]]，轨道周期仅五天，是在2015年经过恒星期间发现<ref>{{cite journal | title = Three WASP-South Transiting Exoplanets: WASP-74b, WASP-83b, and WASP-89b | last1 = Hellier | first1 = Coel | last2 = Anderson | first2 = D. R. | last3 = Collier Cameron | first3 = A. | last4 = Delrez | first4 = L. | last5 = Gillon | first5 = M. | last6 = Jehin | first6 = E. | last7 = Lendl | first7 = M. | last8 = Maxted | first8 = P. F. L. | last9 = Pepe | first9 = F. | last10 = Pollacco | first10 = D. | last11 = Queloz | first11 = D. | last12 = Ségransan | first12 = D. | last13 = Smalley | first13 = B. | last14 = Smith | first14 = A. M. S. | last15 = Southworth | first15 = J. | last16 = Triaud | first16 = A. H. M. J. | last17 = Turner | first17 = O. D. | last18 = Udry | first18 = S. | last19 = West | first19 = R. G. | journal = The Astronomical Journal | volume = 150 | issue = 1 | id = 18 | page = 9 | year = 2015 | doi = 10.1088/0004-6256/150/1/18 | bibcode = 2015AJ....150...18H | arxiv = 1410.6358}}</ref>。此外，光谱等级G5V、距地球101±2光年的[[类太阳恒星]][[HD 111031]]可能也有行星，但尚待确认<ref name="vanLeeuwen2007" />。
乌鸦座已有三个恒星系发现行星。7.12视星等的黄白主序星[[HD 103774]]还很年轻，离地181±5光年，质量为太阳1.335±0.03倍，光度3.5±0.3倍。径向速度变化表明2013年该星有类似[[海王星]]尺寸的行星环绕，公转周期仅5.9天。<ref name="HARPS">{{cite journal | journal = Astronomy and Astrophysics | volume = 551 | id = A59 | page = 7 | title = The HARPS search for southern extrasolar planets: XXXVI. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone | arxiv = 1301.2741 | last1 = Lo Curto | first1 = G. | last2 = Mayor | first2 = M. | last3 = Benz | first3 = W. | last4 = Bouchy | first4 = F. | last5 = Hébrard | first5 = G. | last6 = Lovis | first6 = C. | last7 = Moutou | first7 = C. | last8 = Naef | first8 = D. | last9 = Pepe | first9 = F. | last10 = Queloz | first10 = D. | last11 = Santos | first11 = N. C. | last12 = Segransan | first12 = D. | last13 = Udry | first13 = S. | year = 2013 | bibcode = 2013A&A...551A..59L | doi = 10.1051/0004-6361/201220415}}</ref>[[HD 104067]]是光谱等级K2V、7.93视星等的橙矮星，距地球69±1光年，约有八成太阳质量，由约3.6倍木星质量的行星环绕，公转周期55.8天<ref name="Ségransan2011">{{cite journal | title = The HARPS search for southern extra-solar planets. XXIX. Four new planets in orbit around the moderately active dwarfs HD 63765, HD 104067, HD 125595, and HIP 70849 | url = http://www.aanda.org/articles/aa/full_html/2011/11/aa13580-09/aa13580-09.html | last1 = Ségransan | first1 = D. | last2 = Mayor | first2 = M. | last3 = Udry | first3 = S. | last4 = Lovis | first4 = C. | last5 = Benz | first5 = W. | last6 = Bouchy | first6 = F. | last7 = Lo Curto | first7 = G. | last8 = Mordasini | first8 = C. | last9 = Moutou | first9 = C. | last10 = Naef | first10 = D. | last11 = Pepe | first11 = F. | last12 = Queloz | first12 = D. | last13 = Santos | first13 = N. | journal = Astronomy and Astrophysics | volume = 535 | at = A54 | year = 2011 | arxiv = 1107.0339 | bibcode = 2011A&A...535A..54S | doi = 10.1051/0004-6361/200913580}}</ref>。WASP-83的行星质量接近[[土星]]，轨道周期仅五天，是在2015年经过恒星期间发现<ref>{{cite journal | title = Three WASP-South Transiting Exoplanets: WASP-74b, WASP-83b, and WASP-89b | last1 = Hellier | first1 = Coel | last2 = Anderson | first2 = D. R. | last3 = Collier Cameron | first3 = A. | last4 = Delrez | first4 = L. | last5 = Gillon | first5 = M. | last6 = Jehin | first6 = E. | last7 = Lendl | first7 = M. | last8 = Maxted | first8 = P. F. L. | last9 = Pepe | first9 = F. | last10 = Pollacco | first10 = D. | last11 = Queloz | first11 = D. | last12 = Ségransan | first12 = D. | last13 = Smalley | first13 = B. | last14 = Smith | first14 = A. M. S. | last15 = Southworth | first15 = J. | last16 = Triaud | first16 = A. H. M. J. | last17 = Turner | first17 = O. D. | last18 = Udry | first18 = S. | last19 = West | first19 = R. G. | journal = The Astronomical Journal | volume = 150 | issue = 1 | id = 18 | page = 9 | year = 2015 | doi = 10.1088/0004-6256/150/1/18 | bibcode = 2015AJ....150...18H | arxiv = 1410.6358}}</ref>。此外，光谱等级G5V、距地球101±2光年的[[类太阳恒星]][[HD 111031]]可能也有行星，但尚待确认<ref name="vanLeeuwen2007" />。


离地28.9±0.6光年的红矮星[[罗斯695]]仅11.27视星等<ref name="vanLeeuwen2007" />，肉眼无法观测，质量和半径约为太阳两成三，光度仅千分之七<ref name="Maldonado">{{cite journal | last1 = Maldonado | first1 = J. | last2 = Affer | first2 = L. | last3 = Micela | first3 = G. | last4 = Scandariato | first4 = G. | last5 = Damasso | first5 = M. | last6 = Stelzer | first6 = B. | last7 = Barbieri | first7 = M. | last8 = Bedin | first8 = L. R. | last9 = Biazzo | first9 = K. | last10 = Bignamini | first10 = A. | last11 = Borsa | first11 = F. | last12 = Claudi | first12 = R. U. | last13 = Covino | first13 = E. | last14 = Desidera | first14 = S. | last15 = Esposito | first15 = M. | last16 = Gratton | first16 = R. | last17 = González Hernández | first17 = J. I. | last18 = Lanza | first18 = A. F. | last19 = Maggio | first19 = A. | last20 = Molinari | first20 = E. | last21 = Pagano | first21 = I. | last22 = Perger | first22 = M. | last23 = Pillitteri | first23 = I. | last24 = Piotto | first24 = G. | last25 = Poretti | first25 = E. | last26 = Prisinzano | first26 = L. | last27 = Rebolo | first27 = R. | last28 = Ribas | first28 = I. | last29 = Shkolnik | first29 = E. | last30 = Southworth | first30 = J. | last31 = Sozzetti | first31 = A. | last32 = Suárez Mascareño | first32 = A. | year = 2015 | title = Stellar parameters of early-M dwarfs from ratios of spectral features at optical wavelengths | journal = Astronomy and Astrophysics | volume = 577 | id = A132 | pages = 13 | doi = 10.1051/0004-6361/201525797 | bibcode = 2015A&A...577A.132M | arxiv = 1503.03010}}</ref>。[[VHS 1256-1257]]是41±3光年外的[[棕矮星]]，光谱等级M7.5，质量约为木星73倍，接近棕矮星与恒星的质量临界点。2015年2微米全天巡天计划首度发现该星有相隔102±9天文单位的伴星，估计质量为木星11倍。<ref name="Gauza">{{cite journal | title = Discovery of a young planetary mass companion to the nearby M dwarf VHS J125601.92-125723.9 | journal = The Astrophysical Journal | volume = 804 | issue = 2 | pages = 96 | arxiv = 1505.00806 | last1 = Gauza | first1 = Bartosz | last2 = Béjar | first2 = Victor J. S. | last3 = Pérez-Garrido | first3 = Antonio | author4 = Maria Rosa Zapatero Osorio | last5 = Lodieu | first5 = Nicolas | last6 = Rebolo | first6 = Rafael | last7 = Pallé | first7 = Enric | last8 = Nowak | first8 = Grzegorz | year = 2015 | doi = 10.1088/0004-637X/804/2/96 | bibcode = 2015ApJ...804...96G}}</ref>[[DENIS-P J1228.2-1547]]由两颗相互围绕旋转的棕矮星组成，离地73±3光年<ref name="Dupuy2012">{{cite journal | last1 = Dupuy | first1 = Trent J. | last2 = Liu | first2 = Michael C. | title = The Hawaii Infrared Parallax Program. I. Ultracool Binaries and the L/T Transition | year = 2012 | journal = The Astrophysical Journal Supplement | volume = 201 | issue = 2 | page = 19 | arxiv = 1201.2465 | doi = 10.1088/0067-0049/201/2/19 | bibcode = 2012ApJS..201...19D}}</ref>。乌鸦座TV是白矮星和棕矮星组成的[[矮新星]]，相互旋转的轨道周期仅90分钟<ref name="Levy 2015">{{cite journal | last = Levy | first = David H. | year = 2015 | title = Some Personal Thoughts on TV Corvi | journal = [[美国变星观测者协会|Journal of the American Association of Variable Star Observers]] | volume = 43 | issue = 1 | pages = 102–104 | dead-url = yes | archive-url = http://web.archive.org/web/20200729001353/http://www.aavso.org/media/jaavso/None_22.pdf | format = PDf | url = http://www.aavso.org/media/jaavso/None_22.pdf | bibcode = 2015JAVSO..43..102L | archive-date = 2020-07-29 | access-date = 2020-07-29}}</ref><ref name="knigge">{{cite journal | last = Knigge | first = Christian | year = 2006 | title = The donor stars of cataclysmic variables | journal = Monthly Notices of the Royal Astronomical Society | volume = 373 | issue = 2 | pages = 484–502 | doi = 10.1111/j.1365-2966.2006.11096.x | bibcode = 2006MNRAS.373..484K | arxiv = astro-ph/0609671}}</ref>，基准亮度17视星等，爆发时增至12视星等，[[克莱德·汤博]]1931年发现，[[大卫·李维]]1931和2005年发现<ref name="streicher">{{cite journal | last = Streicher | first = Magda | year = 2008 | title = Deepsky Delights: A Crow named Corvus | journal = Monthly Notes of the Astronomical Society of Southern Africa | volume = 67 | issue = 3–4 | pages = 63–66 | bibcode = 2008MNSSA..67...63S}}</ref>。
离地28.9±0.6光年的红矮星[[罗斯695]]仅11.27视星等<ref name="vanLeeuwen2007" />，肉眼无法观测，质量和半径约为太阳两成三，光度仅千分之七<ref name="Maldonado">{{cite journal | last1 = Maldonado | first1 = J. | last2 = Affer | first2 = L. | last3 = Micela | first3 = G. | last4 = Scandariato | first4 = G. | last5 = Damasso | first5 = M. | last6 = Stelzer | first6 = B. | last7 = Barbieri | first7 = M. | last8 = Bedin | first8 = L. R. | last9 = Biazzo | first9 = K. | last10 = Bignamini | first10 = A. | last11 = Borsa | first11 = F. | last12 = Claudi | first12 = R. U. | last13 = Covino | first13 = E. | last14 = Desidera | first14 = S. | last15 = Esposito | first15 = M. | last16 = Gratton | first16 = R. | last17 = González Hernández | first17 = J. I. | last18 = Lanza | first18 = A. F. | last19 = Maggio | first19 = A. | last20 = Molinari | first20 = E. | last21 = Pagano | first21 = I. | last22 = Perger | first22 = M. | last23 = Pillitteri | first23 = I. | last24 = Piotto | first24 = G. | last25 = Poretti | first25 = E. | last26 = Prisinzano | first26 = L. | last27 = Rebolo | first27 = R. | last28 = Ribas | first28 = I. | last29 = Shkolnik | first29 = E. | last30 = Southworth | first30 = J. | last31 = Sozzetti | first31 = A. | last32 = Suárez Mascareño | first32 = A. | year = 2015 | title = Stellar parameters of early-M dwarfs from ratios of spectral features at optical wavelengths | journal = Astronomy and Astrophysics | volume = 577 | id = A132 | pages = 13 | doi = 10.1051/0004-6361/201525797 | bibcode = 2015A&A...577A.132M | arxiv = 1503.03010}}</ref>。[[VHS 1256-1257]]是41±3光年外的[[棕矮星]]，光谱等级M7.5，质量约为木星73倍，接近棕矮星与恒星的质量临界点。2015年2微米全天巡天计划首度发现该星有相隔102±9天文单位的伴星，估计质量为木星11倍。<ref name="Gauza">{{cite journal | title = Discovery of a young planetary mass companion to the nearby M dwarf VHS J125601.92-125723.9 | journal = The Astrophysical Journal | volume = 804 | issue = 2 | pages = 96 | arxiv = 1505.00806 | last1 = Gauza | first1 = Bartosz | last2 = Béjar | first2 = Victor J. S. | last3 = Pérez-Garrido | first3 = Antonio | author4 = Maria Rosa Zapatero Osorio | last5 = Lodieu | first5 = Nicolas | last6 = Rebolo | first6 = Rafael | last7 = Pallé | first7 = Enric | last8 = Nowak | first8 = Grzegorz | year = 2015 | doi = 10.1088/0004-637X/804/2/96 | bibcode = 2015ApJ...804...96G}}</ref>[[DENIS-P J1228.2-1547]]由两颗相互围绕旋转的棕矮星组成，离地73±3光年<ref name="Dupuy2012">{{cite journal | last1 = Dupuy | first1 = Trent J. | last2 = Liu | first2 = Michael C. | title = The Hawaii Infrared Parallax Program. I. Ultracool Binaries and the L/T Transition | year = 2012 | journal = The Astrophysical Journal Supplement | volume = 201 | issue = 2 | page = 19 | arxiv = 1201.2465 | doi = 10.1088/0067-0049/201/2/19 | bibcode = 2012ApJS..201...19D}}</ref>。乌鸦座TV是白矮星和棕矮星组成的[[矮新星]]，相互旋转的轨道周期仅90分钟<ref name="Levy 2015">{{cite journal | last = Levy | first = David H. | year = 2015 | title = Some Personal Thoughts on TV Corvi | journal = [[美国变星观测者协会|Journal of the American Association of Variable Star Observers]] | volume = 43 | issue = 1 | pages = 102–104 | | | format = PDf | url = http://www.aavso.org/media/jaavso/None_22.pdf | bibcode = 2015JAVSO..43..102L | | access-date = 2020-07-29}}</ref><ref name="knigge">{{cite journal | last = Knigge | first = Christian | year = 2006 | title = The donor stars of cataclysmic variables | journal = Monthly Notices of the Royal Astronomical Society | volume = 373 | issue = 2 | pages = 484–502 | doi = 10.1111/j.1365-2966.2006.11096.x | bibcode = 2006MNRAS.373..484K | arxiv = astro-ph/0609671}}</ref>，基准亮度17视星等，爆发时增至12视星等，[[克莱德·汤博]]1931年发现，[[大卫·李维]]1931和2005年发现<ref name="streicher">{{cite journal | last = Streicher | first = Magda | year = 2008 | title = Deepsky Delights: A Crow named Corvus | journal = Monthly Notes of the Astronomical Society of Southern Africa | volume = 67 | issue = 3–4 | pages = 63–66 | bibcode = 2008MNSSA..67...63S}}</ref>。


=== 深空天体 ===
=== 深空天体 ===
[[File:Antennae Galaxies reloaded.jpg|缩略图|[[觸鬚星系]]]]
[[File:Antennae Galaxies reloaded.jpg|thumb|[[觸鬚星系]]]]


乌鸦座没有[[梅西耶天体]]，有可用业余望远镜观察的[[行星状星云]]，如星座中心10.3视星等的NGC 4361<ref name="Luginbuhl">{{cite book | last1 = Luginbuhl | first1 = Christian B. | last2 = Skiff | first2 = Brian A. | title = Observing Handbook and Catalogue of Deep-Sky Objects | publisher = Cambridge University Press | location = Cambridge | year = 1998 | page = 93 | url = https://books.google.com.hk/books?id=MwCyjQpGU7UC&pg=PA92&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false | isbn = 978-0-521-62556-2 | access-date = 2021-05-01}}</ref>，形似小型[[椭圆星系]]，只不过从中心的13等星就能看出它是行星状星云<ref name="garfinkle" />。
乌鸦座没有[[梅西耶天体]]，有可用业余望远镜观察的[[行星状星云]]，如星座中心10.3视星等的NGC 4361<ref name="Luginbuhl">{{cite book | last1 = Luginbuhl | first1 = Christian B. | last2 = Skiff | first2 = Brian A. | title = Observing Handbook and Catalogue of Deep-Sky Objects | publisher = Cambridge University Press | location = Cambridge | year = 1998 | page = 93 | | isbn = 978-0-521-62556-2 | access-date = 2021-05-01}}</ref>，形似小型[[椭圆星系]]，只不过从中心的13等星就能看出它是行星状星云<ref name="garfinkle" />。


[[NGC 4038星系群]]是跨越乌鸦座和巨爵座的[[星系群]]，包含13到27个星系，其中以HD 104337北侧的[[觸鬚星系]]最有名<ref name="o'meara">{{cite book | title = The Caldwell Objects | first = Stephen James | last = O'Meara | publisher = Cambridge University Press | year = 2002 | pages = 240–243 | isbn = 978-0-521-82796-6 | url = https://books.google.com.hk/books?id=3Hg6YHgx9nAC&pg=PA242&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false | access-date = 2021-05-01}}</ref>。触须星系由交互作用星系NGC 4038和NGC 4039组成，从地球来看类似心型。“触须”意指两星系巨大的[[潮汐尾]]，由两个[[螺旋星系]]本身旋转形成。触须星系正因星云间的相互作用大量[[恒星形成|形成]]恒星。两星系离地4500万光年，均有众多来历不明的[[超光X射线源]]，天文学家估计源自罕见的[[X射线联星]]或[[中等質量黑洞]]。<ref>{{cite book | title = 300 Astronomical Objects: A Visual Reference to the Universe | url = https://archive.org/details/300astronomicalo0000wilk | first1 = Jamie | last1 = Wilkins | first2 = Robert | last2 = Dunn | publisher = Firefly Books | year = 2006 | location = Buffalo, New York | isbn = 978-1-55407-175-3}}</ref>触须星系在望远镜下呈十等星亮度<ref name="Ridpath-Tirion" />。[[SN 2004gt]]是2004年12月12日爆发的[[Ib和Ic超新星|Ic超新星]]，科学家未能在触须星系过去的影像发现该星，估计要么是40倍太阳质量的WC型[[沃尔夫–拉葉星]]，要么是20到40倍太阳质量的恒星组成联星系<ref name="aj630_1_L33">{{cite journal | last1 = Maund | first1 = Justyn R. | last2 = Smartt | first2 = Stephen J. | last3 = Schweizer | first3 = Francois | title = Luminosity and Mass Limits for the Progenitor of the Type Ic Supernova 2004gt in NGC 4038 | journal = The Astrophysical Journal | volume = 630 | issue = 1 | pages = L33–L36 | year = 2005 | doi = 10.1086/491620 | bibcode = 2005ApJ...630L..33M | arxiv = astro-ph/0506436}}</ref>。[[SN 2007sr]]是地球观测亮度在2007年12月14日达到巅峰的[[Ia超新星]]<ref name="cbet1213">{{cite journal | last1 = Pojmanski | first1 = G. | last2 = Prieto | first2 = J. L. | last3 = Stanek | first3 = K. Z. | last4 = Beacom | first4 = J. F. | title = Supernova 2007sr in NGC 4038 | journal = Central Bureau Electronic Telegrams | issue = 1213 | page = 1 | editor1-last = Green | editor1-first = D. W. E. | year = 2008 | volume = 1213 | bibcode = 2008CBET.1213....1P}}</ref>。触须星系可能还会爆发超新星，适合拍摄高解析图像<ref name="aj630_1_L33" />。
[[NGC 4038星系群]]是跨越乌鸦座和巨爵座的[[星系群]]，包含13到27个星系，其中以HD 104337北侧的[[觸鬚星系]]最有名<ref name="o'meara">{{cite book | title = The Caldwell Objects | first = Stephen James | last = O'Meara | publisher = Cambridge University Press | year = 2002 | pages = 240–243 | isbn = 978-0-521-82796-6 | | access-date = 2021-05-01}}</ref>。触须星系由交互作用星系NGC 4038和NGC 4039组成，从地球来看类似心型。“触须”意指两星系巨大的[[潮汐尾]]，由两个[[螺旋星系]]本身旋转形成。触须星系正因星云间的相互作用大量[[恒星形成|形成]]恒星。两星系离地4500万光年，均有众多来历不明的[[超光X射线源]]，天文学家估计源自罕见的[[X射线联星]]或[[中等質量黑洞]]。<ref>{{cite book | title = 300 Astronomical Objects: A Visual Reference to the Universe | | first1 = Jamie | last1 = Wilkins | first2 = Robert | last2 = Dunn | publisher = Firefly Books | year = 2006 | location = Buffalo, New York | isbn = 978-1-55407-175-3}}</ref>触须星系在望远镜下呈十等星亮度<ref name="Ridpath-Tirion" />。[[SN 2004gt]]是2004年12月12日爆发的[[Ib和Ic超新星|Ic超新星]]，科学家未能在触须星系过去的影像发现该星，估计要么是40倍太阳质量的WC型[[沃尔夫–拉葉星]]，要么是20到40倍太阳质量的恒星组成联星系<ref name="aj630_1_L33">{{cite journal | last1 = Maund | first1 = Justyn R. | last2 = Smartt | first2 = Stephen J. | last3 = Schweizer | first3 = Francois | title = Luminosity and Mass Limits for the Progenitor of the Type Ic Supernova 2004gt in NGC 4038 | journal = The Astrophysical Journal | volume = 630 | issue = 1 | pages = L33–L36 | year = 2005 | doi = 10.1086/491620 | bibcode = 2005ApJ...630L..33M | arxiv = astro-ph/0506436}}</ref>。[[SN 2007sr]]是地球观测亮度在2007年12月14日达到巅峰的[[Ia超新星]]<ref name="cbet1213">{{cite journal | last1 = Pojmanski | first1 = G. | last2 = Prieto | first2 = J. L. | last3 = Stanek | first3 = K. Z. | last4 = Beacom | first4 = J. F. | title = Supernova 2007sr in NGC 4038 | journal = Central Bureau Electronic Telegrams | issue = 1213 | page = 1 | editor1-last = Green | editor1-first = D. W. E. | year = 2008 | volume = 1213 | bibcode = 2008CBET.1213....1P}}</ref>。触须星系可能还会爆发超新星，适合拍摄高解析图像<ref name="aj630_1_L33" />。


[[NGC 4027]]同属NGC 4038星系群，以极长的螺旋臂闻名，距HD 104337很近<ref name="o'meara" />。NGC 4027是棒旋星系，不规则的形状估计是与附近的NGC 4027A相撞所致。乌鸦座东北部的椭圆星系NGC 4782与NGC 4783正在合并，离地约两亿光年。<ref name="streicher" />
[[NGC 4027]]同属NGC 4038星系群，以极长的螺旋臂闻名，距HD 104337很近<ref name="o'meara" />。NGC 4027是棒旋星系，不规则的形状估计是与附近的NGC 4027A相撞所致。乌鸦座东北部的椭圆星系NGC 4782与NGC 4783正在合并，离地约两亿光年。<ref name="streicher" />


=== 流星雨 ===
=== 流星雨 ===
两场[[流星雨]]源自乌鸦座范围。德国天文学家[[库诺·霍夫迈斯特]]（{{lang|de|Cuno Hoffmeister}}）1937年发现6月25日持续到7月2日的乌鸦座流星雨并命名。但此后数十年都没有观测纪录，检查过去的文献也没有证据表明流星雨存在。霍夫迈斯特指出，流星雨轨迹与[[坦普尔-斯威夫特-林尼尔彗星]]类似，但尚无其他天文学家证实。目前这场流星雨和[[小行星4015]]关联。<ref>{{cite book | last = Kronk | first = Gary R. | title = Meteor Showers: An Annotated Catalog | publisher = Springer Science+Business Media | location = New York City | year = 2013 | url = https://books.google.com.hk/books?id=t026BAAAQBAJ&pg=PA114&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false | page = 114 | isbn = 978-1-4614-7897-3 | access-date = 2021-05-01}}</ref>2013年1月，MO视频流星网发现左辖流星雨，包含1月20至26日的约300颗流星<ref>{{cite journal | title = Results of the IMO Video Meteor Network – January 2013 | last1 = Molau | first1 = Sirko | last2 = Kac | first2 = Javor | last3 = Berko | first3 = Erno | last4 = Crivello | first4 = Stefano | last5 = Stomeo | first5 = Enrico | last6 = Igaz | first6 = Antal | last7 = Barentsen | first7 = Geert | last8 = Goncalves | first8 = Rui | journal = WGN, Journal of the International Meteor Organization | volume = 41 | issue = 2 | pages = 61–66 | year = 2013 | bibcode = 2013JIMO...41...61M}}</ref>。同年的数据分析证实这场流星雨存在<ref>{{cite journal | title = Confirmation and characterization of IAU temporary meteor showers in EDMOND database | last1 = Kornoš | first1 = L. | last2 = Matlovič | first2 = P. | last3 = Rudawska | first3 = R. | last4 = Tóth | first4 = J. | last5 = Hajduková | first5 = M. Jr. | last6 = Koukal | first6 = J. | last7 = Piffl | first7 = R. | journal = The Meteoroids 2013, Proceedings of the Astronomical Conference Held at A.M. University, Poznań, Poland, Aug. 26–30, 2013 | editor1 = T.J. Jopek | editor2 = F.J.M. Rietmeijer | editor3 = J. Watanabe | editor4 = I.P. Williams | publisher = A.M. University Press | pages = 225–233 | year = 2014 | bibcode = 2014me13.conf..225K | arxiv = 1405.1783}}</ref>。
两场[[流星雨]]源自乌鸦座范围。德国天文学家[[库诺·霍夫迈斯特]]（{{lang|de|Cuno Hoffmeister}}）1937年发现6月25日持续到7月2日的乌鸦座流星雨并命名。但此后数十年都没有观测纪录，检查过去的文献也没有证据表明流星雨存在。霍夫迈斯特指出，流星雨轨迹与[[坦普尔-斯威夫特-林尼尔彗星]]类似，但尚无其他天文学家证实。目前这场流星雨和[[小行星4015]]关联。<ref>{{cite book | last = Kronk | first = Gary R. | title = Meteor Showers: An Annotated Catalog | publisher = Springer Science+Business Media | location = New York City | year = 2013 | | page = 114 | isbn = 978-1-4614-7897-3 | access-date = 2021-05-01}}</ref>2013年1月，MO视频流星网发现左辖流星雨，包含1月20至26日的约300颗流星<ref>{{cite journal | title = Results of the IMO Video Meteor Network – January 2013 | last1 = Molau | first1 = Sirko | last2 = Kac | first2 = Javor | last3 = Berko | first3 = Erno | last4 = Crivello | first4 = Stefano | last5 = Stomeo | first5 = Enrico | last6 = Igaz | first6 = Antal | last7 = Barentsen | first7 = Geert | last8 = Goncalves | first8 = Rui | journal = WGN, Journal of the International Meteor Organization | volume = 41 | issue = 2 | pages = 61–66 | year = 2013 | bibcode = 2013JIMO...41...61M}}</ref>。同年的数据分析证实这场流星雨存在<ref>{{cite journal | title = Confirmation and characterization of IAU temporary meteor showers in EDMOND database | last1 = Kornoš | first1 = L. | last2 = Matlovič | first2 = P. | last3 = Rudawska | first3 = R. | last4 = Tóth | first4 = J. | last5 = Hajduková | first5 = M. Jr. | last6 = Koukal | first6 = J. | last7 = Piffl | first7 = R. | journal = The Meteoroids 2013, Proceedings of the Astronomical Conference Held at A.M. University, Poznań, Poland, Aug. 26–30, 2013 | editor1 = T.J. Jopek | editor2 = F.J.M. Rietmeijer | editor3 = J. Watanabe | editor4 = I.P. Williams | publisher = A.M. University Press | pages = 225–233 | year = 2014 | bibcode = 2014me13.conf..225K | arxiv = 1405.1783}}</ref>。


== 流行文化 ==
== 流行文化 ==
1624年，德国天文学家[[雅各布·巴奇]]（{{lang|de|Jakob Bartsch}}）把[[南船座]]比作[[挪亚方舟]]，把乌鸦座、[[天鸽座]]与《[[创世纪]]》[[大洪水]]神话里的乌鸦和鸽子相连<ref name="barentine">{{cite book | last = Barentine | first = John C. | title = The Lost Constellations | year = 2016 | publisher = Springer International Publishing | location = Switzerland | isbn = 978-3-319-22794-8 | page = 67 | access-date = 2021-05-01 | url = https://books.google.com.hk/books?id=u_7NCgAAQBAJ&pg=PA67&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false}}</ref>。
1624年，德国天文学家[[雅各布·巴奇]]（{{lang|de|Jakob Bartsch}}）把[[南船座]]比作[[挪亚方舟]]，把乌鸦座、[[天鸽座]]与《[[创世纪]]》[[大洪水]]神话里的乌鸦和鸽子相连<ref name="barentine">{{cite book | last = Barentine | first = John C. | title = The Lost Constellations | year = 2016 | publisher = Springer International Publishing | location = Switzerland | isbn = 978-3-319-22794-8 | page = 67 | access-date = 2021-05-01 }}</ref>。


天体物理学家[[奈尔·德葛拉司·泰森]]亮相2012年11月7日出版的2013年1月号第14期《[[动作漫画]]》，宣称[[超人]]的故乡[[氪星]]就在乌鸦座，围绕离地27.1光年的红矮星[[LHS 2520]]旋转。泰森与[[DC漫画]]合作选择现实生活中的恒星充当氪星的适当母星，最后选中乌鸦座的LHS 2520<ref>{{cite web | last = Wall | first = Mike | date = 2012-11-07 | url = https://www.scientificamerican.com/article/supermans-home-planet-krypton/ | title = Superman's Home Planet Krypton 'Found' | work = [[科学美国人|Scientific American]] | dead-url = no | archive-url = http://web.archive.org/web/20210227092218/http://www.scientificamerican.com/article/supermans-home-planet-krypton/ | access-date = 2021-05-01 | archive-date = 2021-02-27}}</ref><ref>{{cite web | last = Potter | first = Ned | date = 2012-11-05 | url = https://abcnews.go.com/blogs/technology/2012/11/superman-home-planet-krypton-found-in-sky/ | title = Superman Home: Planet Krypton 'Found' in Sky | work = ABC News website | access-date = 2021-05-01 | archive-date = 2021-01-23 | dead-url = no | archive-url = http://web.archive.org/web/20210123091610/https://abcnews.go.com/blogs/technology/2012/11/superman-home-planet-krypton-found-in-sky/}}</ref>，乌鸦还是超人所念[[斯莫维尔 (漫画)|斯莫维尔]]（{{lang|en|Smallville}}）高中的吉祥物<ref>{{cite news | last = Gregorian | first = Dareh | date = 2012-11-05 | access-date = 2021-05-01 | archive-url = http://web.archive.org/web/20210228224037/https://nypost.com/2012/11/05/nyer-is-super-smart/ | dead-url = no | url = https://nypost.com/2012/11/05/nyer-is-super-smart/ | title = NYER is 'super' smart | work = [[纽约邮報|New York Post]] | archive-date = 2021-02-28}}</ref>。
天体物理学家[[奈尔·德葛拉司·泰森]]亮相2012年11月7日出版的2013年1月号第14期《[[动作漫画]]》，宣称[[超人]]的故乡[[氪星]]就在乌鸦座，围绕离地27.1光年的红矮星[[LHS 2520]]旋转。泰森与[[DC漫画]]合作选择现实生活中的恒星充当氪星的适当母星，最后选中乌鸦座的LHS 2520<ref>{{cite web | last = Wall | first = Mike | date = 2012-11-07 | url = https://www.scientificamerican.com/article/supermans-home-planet-krypton/ | title = Superman's Home Planet Krypton 'Found' | work = [[科学美国人|Scientific American]] | | | access-date = 2021-05-01 }}</ref><ref>{{cite web | last = Potter | first = Ned | date = 2012-11-05 | url = https://abcnews.go.com/blogs/technology/2012/11/superman-home-planet-krypton-found-in-sky/ | title = Superman Home: Planet Krypton 'Found' in Sky | work = ABC News website | access-date = 2021-05-01 }}</ref>，乌鸦还是超人所念[[斯莫维尔 (漫画)|斯莫维尔]]（{{lang|en|Smallville}}）高中的吉祥物<ref>{{cite news | last = Gregorian | first = Dareh | date = 2012-11-05 | access-date = 2021-05-01 | | | url = https://nypost.com/2012/11/05/nyer-is-super-smart/ | title = NYER is 'super' smart | work = [[纽约邮報|New York Post]] }}</ref>。


== 注释 ==
== 注释 ==
第93行： 第93行：
== 参考资料 ==
== 参考资料 ==
{{reflist}}
{{reflist}}

== 外部链接 ==
== 外部链接 ==
* [http://www.allthesky.com/constellations/crater/ 深空摄影指南：乌鸦座]
* [http://www.allthesky.com/constellations/crater/ 深空摄影指南：乌鸦座]
第103行： 第102行：
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{{DEFAULTSORT:Corvus (Constellation)}}
{{DEFAULTSORT:Corvus (Constellation)}}
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[[Category:乌鸦座| ]]
[[Category:乌鸦座| ]]
[[Category:星座]]
[[Category:星座]]
取自“https://www.qiuwenbaike.cn/wiki/乌鸦座”