北冕座：修订间差异

| RA = {{RA|15|16|03.8205}}–{{RA|16|25|07.1526}}<ref name="boundary">{{Cite journal | title = Corona Borealis, constellation boundary | journal = The Constellations | publisher = International Astronomical Union | archive-url = http://web.archive.org/web/20210523195816/https://www.iau.org/public/themes/constellations/#crb | dead-url = no | url = https://www.iau.org/public/themes/constellations/#crb | access-date = 2021-05-30 | archive-date = 2021-05-23}}</ref>

| stardistancepc = 14.52<ref name="van Leeuwen2007">{{cite journal | title = Validation of the new Hipparcos reduction | dead-url = no | archive-url = http://web.archive.org/web/20210514145610/https://www.aanda.org/index.php?option=com_article&access=bibcode&Itemid=129&bibcode=2007A%2526A...474..653VFUL | url = https://www.aanda.org/index.php?option=com_article&access=bibcode&Itemid=129&bibcode=2007A%2526A...474..653VFUL | last = van Leeuwen | first = F. | journal = Astronomy and Astrophysics | volume = 474 | issue = 2 | pages = 653–664 | year = 2007 | arxiv = 0708.1752 | bibcode = 2007A&A...474..653V | doi = 10.1051/0004-6361:20078357 | archive-date = 2021-05-14}} [http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ554676b338a2&-out.add=.&-source=I/311/hip2&recno=78518 Vizier catalog entry]</ref>

北冕座占据179平方度夜空，占0.433%，在[[星座列表|88个现代星座]]排第73<ref name="tirionconst" />。星座位于[[北天 (天球)|北天球]]，[[南纬50度线]]以北才能看到完整星座<ref name="tirionconst">{{cite web | archive-url = http://web.archive.org/web/20210519083149/http://www.ianridpath.com/constellations1.html | dead-url = no | url = http://www.ianridpath.com/constellations1.html | title = Constellations: Andromeda–Indus | work = Star Tales | last = Ridpath | first = Ian | publisher = self-published | access-date = 2021-05-30 | archive-date = 2021-05-19}}</ref>{{refn|group="注"|技术上来说南纬50至64度也能看到部分北冕座，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" />。}}。北冕座北侧和西面与[[牧夫座]]相邻，南接[[巨蛇座]]，东靠[[武仙座]]。1922年，[[國際天文聯會]]确定以三字母缩写“{{lang|la|CrB}}”代指北冕座。<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 = [[通俗天文學 (美國雜誌)|Popular Astronomy]] | volume = 30 | page = 469 | bibcode = 1922PA.....30..469R | year = 1922}}</ref>比利时天文学家[[尤金·德爾波特]]1930年正式划分星座边界，北冕座呈六条边组成的多边形（见文首信息框）。星座在[[赤道坐標系統]]的[[赤经]]位于{{RA|15|16.0}}至{{RA|16|25.1}}范围，[[赤纬]]在39.71°到25.54°之间。<ref name="boundary2">{{Cite journal | title = Corona Borealis, Constellation Boundary | journal = The Constellations | publisher = International Astronomical Union | archive-date = 2021-05-23 | archive-url = http://web.archive.org/web/20210523195816/https://www.iau.org/public/themes/constellations/#crb | dead-url = no | url = https://www.iau.org/public/themes/constellations/#crb | access-date = 2021-05-30}}</ref>此外，北冕座还与[[南天 (天球)|南天球]]的[[南冕座]]相对<ref>{{cite book | last = Cornelius | first = Geoffrey | title = Complete Guide to the Constellations: The Starwatcher's Essential Guide to the 88 Constellations, Their Myths and Symbols | publisher = Duncan Baird Publishers | location = London, United Kingdom | year = 2005 | pages = 70–71 | isbn = 978-1-84483-103-6}}</ref>。

北冕座独特的皇冠形状由七颗恒星构成，除最亮的二等星[[貫索四]]外，另外六颗分别是[[贯索二]]、[[贯索三]]、[[贯索五]]、[[贯索六]]、[[贯索七]]、[[贯索八]]，都是四等星。日耳曼天体制图师[[約翰·拜耳]]在1603年的《[[測天圖]]》用[[拜耳命名法]]为星座20颗恒星分配希腊字母“α”至“υ”。后世天文学家发现[[七公增七]]是[[雙星]]，故将两星分别称为七公增七1和七公增七2。北冕座ν情况类似，拜耳以单字母命名，但[[約翰·佛蘭斯蒂德]]发现该星实际上是光学双星，在[[佛蘭斯蒂德命名法|他的星表]]上标为北冕座20和北冕座21，分别命名[[北冕座ν|北冕座ν¹]]和北冕座ν²。<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 = 117–118}}</ref>中国古代天文学家将上述七星与[[北冕座π]]、[[貫索九]]划为星群<ref name="ridpathCB">{{cite web | dead-url = no | archive-url = http://web.archive.org/web/20210420223817/http://www.ianridpath.com/startales/coronaborealis.html#chinese | url = http://www.ianridpath.com/startales/coronaborealis.html#chinese | title = Corona Borealis | last = Ridpath | first = Ian | publisher = self-published | work = Star Tales | access-date = 2021-05-30 | archive-date = 2021-04-20}}</ref>。天冕座范围内共有37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 = [[天空與望遠鏡雜誌|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" />。

离地75±0.5[[光年]]的贯索四是2.2视星等蓝白星体<ref name="vanLeeuwen2007">{{cite journal | first = F. | last = van Leeuwen | title = Validation of the New Hipparcos Reduction | journal = 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>，属[[大陵五型變星]]，亮度以17.4天为周期波动0.1视星等<ref name="Ridpath-Tirion-2001">{{cite book | last1 = Ridpath | first1 = Ian | last2 = Tirion | first2 = Wil | year = 2001 | title = Stars and Planets Guide | publisher = Princeton University Press | location = Princeton, New Jersey | pages = 126–128 | isbn = 978-0-691-08913-3}}</ref>。其中主星是[[光谱等级]]A0V的[[A型主序星|白主序星]]，拥有2.91倍[[太阳质量]]和57倍[[太陽光度]]，周围是半径约60[[天文單位]]的[[岩屑盤]]<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 | pages = 19 | bibcode = 2014ApJ...792...65P | doi=10.1088/0004-637X/792/1/65 | arxiv = 1407.4579}}</ref>。从星是光谱等级G5V的[[G型主序星|黄主序星]]，直径约太阳九成<ref name="aaa403">{{cite journal | last1 = Güdel | first1 = M. | last2 = Arzner | first2 = K. | last3 = Audard | first3 = M. | last4 = Mewe | first4 = R. | title = Tomography of a Stellar X-ray Corona: Alpha Coronae Borealis | journal = Astronomy and Astrophysics | volume = 403 | pages = 155–171 | year = 2003 | doi = 10.1051/0004-6361:20030257 | bibcode = 2003A&A...403..155G}}</ref>。据信贯索四是[[大熊座移動星群]]成员，与星群其他星体整体走向一致<ref>{{cite journal | last1 = King | first1 = Jeremy R. | last2 = Villarreal | first2 = Adam R. | last3 = Soderblom | first3 = David R. | last4 = Gulliver | first4 = Austin F. | last5 = Adelman | first5 = Saul J. | title = Stellar Kinematic Groups. II. A Reexamination of the Membership, Activity, and Age of the Ursa Major Group | url = https://archive.org/details/sim_astronomical-journal_2003-04_125_4/page/1980 | journal = The Astronomical Journal | volume = 125 | issue = 4 | pages = 1980–2017 | year = 2003 | doi = 10.1086/368241 | bibcode = 2003AJ....125.1980K}}</ref>。

离地112±3光年的[[贯索三]]是[[聯星|光谱联星]]<ref name="vanLeeuwen2007" />，两星体相隔十天文单位，以10.5年轨道周期相互围绕旋转<ref name="kalerbeta">{{cite web | first = James B. | last = Kaler | title = Nusakan | work = Stars | publisher = University of Illinois | url = http://stars.astro.illinois.edu/sow/nusakan.html | archive-url = http://web.archive.org/web/20210424032645/http://stars.astro.illinois.edu/sow/nusakan.html | access-date = 2021-05-30 | archive-date = 2021-04-24 | dead-url = no}}</ref>。偏亮的主星是[[快速振盪Ap星]]，脉冲振荡周期16.2分钟。该星光谱等级A5V，[[有效溫度]]约7980[[开尔文]]，拥有2.1倍太阳质量、2.6倍[[太阳半径]]、25.3倍太阳光度。光谱等级F2V的从星表面温度约6750开尔文，质量、半径、光度分别是太阳1.4倍、1.56倍、4至5倍。<ref>{{cite journal | last1 = Bruntt | first1 = H. | last2 = Kervella | first2 = P. | last3 = Mérand | first3 = A. | last4 = Brandão | first4 = I.M. | last5 = Bedding | first5 = T.R. | last6 = ten Brummelaar | first6 = T.A. | last7 = Coudé du Foresto | first7 = V. | last8 = Cunha | first8 = M. S. | last9 = Farrington | first9 = C. | last10 = Goldfinger | first10 = P.J. | last11 = Kiss | first11 = L.L. | last12 = McAlister | first12 = H.A. | last13 = Ridgway | first13 = S.T. | last14 = Sturmann | first14 = J. | last15 = Sturmann | first15 = L. | last16 = Turner | first16 = N. | last17 = Tuthill | first17 = P.G. | year = 2010 | title = The radius and effective temperature of the binary Ap star β CrB from CHARA/FLUOR and VLT/NACO observations | journal = Astronomy and Astrophysics | volume = 512 | pages = 7 | id = A55 | bibcode =2010A&A...512A..55B | doi = 10.1051/0004-6361/200913405 | arxiv = 0912.3215}}</ref>。贯索三附近的贯索二是联星系，合并视星等4.13，距地球380±20光年<ref name="vanLeeuwen2007" />。偏亮的贯索二A是蓝白星，旋转速度高达每秒393公里，是岩屑盘包围的[[Be星]]<ref name="kalerthet">{{cite web | first = James B. | last = Kaler | title = Theta Coronae Borealis | work = Stars | publisher = University of Illinois | url = http://stars.astro.illinois.edu/sow/thetacrb.html | access-date = 2021-05-30 | archive-url = http://web.archive.org/web/20210424032646/http://stars.astro.illinois.edu/sow/thetacrb.html | dead-url = no | archive-date = 2021-04-24}}</ref>。

贯索四东侧的贯索五也是联星系，其中两星体分别是光谱等级B9V和A3V的主序星<ref>{{cite journal | last1 = Malkov | first1 = O. Yu. | last2 = Tamazian | first2 = V.S. | last3 = Docobo | first3 = J. A. | last4 = Chulkov | first4 = D. A. | year = 2012 | title = Dynamical Masses of a Selected Sample of Orbital Binaries | journal = Astronomy & Astrophysics | volume = 546 | id = A69 | page = 5 | doi = 10.1051/0004-6361/201219774 | bibcode = 2012A&A...546A..69M}}</ref>，与太阳和[[海王星]]间距差不多，相互围绕旋转的轨道周期是92.94年<ref name="kalergamma">{{cite web | first = James B. | last = Kaler | title = Gamma Coronae Borealis | work = Stars | publisher = University of Illinois | url = http://stars.astro.illinois.edu/sow/gammacrb.html | access-date = 2021-05-30 | archive-url = http://web.archive.org/web/20210428045449/http://stars.astro.illinois.edu/sow/gammacrb.html | dead-url = no | archive-date = 2021-04-28 | date = 2008-07-25}}</ref>。联星系内偏亮的恒星可能是[[矮造父變星]]<ref name="SIMBADgamma">{{cite web | title = Gamma Coronae Borealis | work = SIMBAD Astronomical Database |url = http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=+Gamma+Coronae+Borealis&submit=SIMBAD+search | publisher = Centre de Données astronomiques de Strasbourg | access-date = 2021-05-30 | dead-url = no | archive-url = http://web.archive.org/web/20210428045448/http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=+Gamma+Coronae+Borealis&submit=SIMBAD+search | archive-date = 2021-04-28}}</ref>，但尚无定论<ref name="kalergamma" />。4.06视星等的贯索六离地170±2光年<ref name="vanLeeuwen2007" />，是光谱等级G3.5III的黄巨星，质量约为太阳2.4倍但已膨胀到7.4倍太阳半径，表面温度5180开尔文<ref name="Gondoin">{{cite journal | last = Gondoin | first = P. | year = 2005 | title = The X-ray activity of the slowly rotating G giant δ CrB | journal = Astronomy & Astrophysics | volume = 431 | issue = 3 | pages = 1027–1035 | doi = 10.1051/0004-6361:20041991 | bibcode = 2005A&A...431.1027G}}</ref>。贯索六绝大多数生命周期是[[B型主序星|B型蓝白主序星]]，如今核心的氢已耗尽。光度和光谱数据表明该星刚刚跨越[[赫氏空隙]]，开始消耗核心周围外壳的氢<ref name="kalerdelta">{{cite web | first = James B. | last = Kaler | title = Delta Coronae Borealis | work = Stars | publisher = University of Illinois | url = http://stars.astro.illinois.edu/sow/deltacrb.html | access-date = 2021-05-30 | archive-date = 2021-04-28 | archive-url = http://web.archive.org/web/20210428045449/http://stars.astro.illinois.edu/sow/deltacrb.html | dead-url = no}}</ref>。

七公增七是双星，由相隔仅6.3[[弧秒]]的两颗蓝白星组成，[[望远镜放大倍数|百倍]]望远镜可轻松分辨，主星5.1视星等，从星6.0视星等<ref>{{cite book | last1 = Kepple | first1 = George Robert | last2 = Sanner | first2 = Glen W. | title = The Night Sky Observers Guide: Spring & summer | publisher = Willmann-Bell | location = Richmond, Virginia | year = 1998 | page = 111 | isbn = 978-0-943396-60-6}}</ref>。北冕座ν是光学双星，两者与地球距离差不多但[[徑向速度]]不同，估计相互没有关联<ref name="kalernu">{{cite web | first = James B. | last = Kaler | title = Nu Coronae Borealis | work = Stars | publisher = University of Illinois | url = http://stars.astro.illinois.edu/sow/nucrb.html | archive-url = http://web.archive.org/web/20210415185541/http://stars.astro.illinois.edu/sow/nucrb.html | access-date = 2021-05-31 | date = 2007-08-31 | archive-date = 2021-04-15 | dead-url = no}}</ref>。主星北冕座ν¹是光谱等级M2III、亮度5.2视星等的[[紅巨星]]，离地640±30光年<ref name="vanLeeuwen2007" /><ref name="SIMBADnu1">{{cite web | publisher = Centre de Données astronomiques de Strasbourg | archive-url = http://web.archive.org/web/20210430102030/http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+147749&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id | archive-date = 2021-04-30 | dead-url = no | url = http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+147749&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id | title = Nu1 Coronae Borealis | work = SIMBAD Astronomical Database | access-date = 2021-05-31}}</ref>。从星北冕座ν²是光谱等级K5III、亮度5.4视星等的橙巨星，估计离地590±30光年<ref name="vanLeeuwen2007" /><ref name="SIMBADnu2">{{cite web | work = SIMBAD Astronomical Database | url = http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+147767&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id | title = Nu2 Coronae Borealis | publisher = Centre de Données astronomiques de Strasbourg | archive-url = http://web.archive.org/web/20210430070343/http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+147767&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id | access-date = 2021-05-31 | archive-date = 2021-04-30 | dead-url = no}}</ref>。 [[北冕座σ]]是多颗恒星组成的恒星系，小型业余望远镜就能分辨<ref name="Ridpath-Tirion-2001" />。恒星系内部构成非常复杂，首先是两颗质量接近太阳的恒星以1.14天轨道周期相互围绕旋转，接下来第三颗类太阳恒星绕前两星以726年周期旋转。第四和第五颗星体都是[[紅矮星]]并组成联星系，距前三颗恒星约1.4万天文单位。<ref name="Raghavan 2009">{{cite journal | last1 = Raghavan | first1 = Deepak | last2 = McAlister | first2 = Harold A. | last3 = Torres | first3 = Guillermo | last4 = Latham | first4 = David W. | last5 = Mason | first5 = Brian D. | last6 = Boyajian | first6 = Tabetha S. | last7 = Baines | first7 = Ellyn K. | last8 = Williams | first8 = Stephen J. | last9 = ten Brummelaar | first9 = Theo A. | last10 = Farrington | first10 = Chris D. | last11 = Ridgway | first11 = Stephen T. | last12 = Sturmann | first12 = Laszlo | last13 = Sturmann | first13 = Judit | last14 = Turner | first14 = Nils H. | year = 2009 | title = The Visual Orbit of the 1.1 Day Spectroscopic Binary σ2 Coronae Borealis from Interferometry at the Chara Array | journal = The Astrophysical Journal | volume = 690 | issue = 1 | pages = 394–406 | doi = 10.1088/0004-637X/690/1/394 | bibcode = 2009ApJ...690..394R | arxiv = 0808.4015}}</ref>[[ADS 9731]]是更加罕见的多成员恒星系，包含六颗恒星，其中两颗组成光谱联星<ref name="Tokovinin">{{cite journal | bibcode = 1998AstL...24..795T | title = ADS 9731: A new sextuple system | last1 = Tokovinin | first1 = A.A. | last2 = Shatskii | first2 = N.I. | last3 = Magnitskii | first3 = A.K. | volume = 24 | issue = 6 | year = 1998 | pages = 795–801 | journal = Astronomy Letters}}</ref>{{refn|group="注"|六颗恒星分别为：Aa与Ab分别是光谱等级F4V与F5V、质量分别是太阳1.35与1.32倍的黄白主序星，以3.27天轨道周期环绕彼此旋转。Aa与Ab围绕光谱等级G4V、质量与太阳差不多的恒星B旋转，轨道周期450年。C是光谱等级F3V的黄白恒星，质量为太阳1.41倍，刚脱离主序星阶段开始变亮。Da是光谱等级F7V的黄白主序星，与光谱等级M3V的红矮星以14.28天轨道周期相互围绕旋转，C又以一千年轨道周期绕两星旋转。Aa、Ab、B组成的星系，与C、Da、Db组成的星系以两万多年轨道周期相互围绕旋转。<ref name="Tokovinin"/>}}。

北冕座有两颗非常特殊的[[變星]]<ref name="Levy 1998">{{cite book | last = Levy | first = David H. | title = Observing Variable Stars: A Guide for the Beginner | publisher = Cambridge University Press | location = Cambridge, United Kingdom | year = 1998 | pages = 142–143 | isbn = 978-0-521-62755-9 | access-date = 2021-05-31 | url = https://books.google.com.hk/books?id=5-O2cd937FMC&pg=PA142&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false}}</ref>。[[北冕座T]]又称“博雷兹星”，属[[激變變星]]<ref name="Ridpath-Tirion-2001" />。通常亮度在9.9至10.2视星等，因[[核連鎖反應]]及随后的爆炸可在数小时内达到二等星亮度。北冕座T与[[羅盤座T]]、[[天蝎座U]]一样是屈指可数的已知[[再发新星]]，人类在1866年首次发现该星爆发，第二次是1946年2月。北冕座T还是红色巨星与[[白矮星]]组成的联星，以约八个月轨道周期相互围绕旋转。<ref>{{cite book | last = Levy | first = David H. | year = 2005 | title = Deep Sky Objects | access-date = 2021-05-31 | pages = [https://archive.org/details/deepskyobjects00davi/page/70 70–71] | publisher = Prometheus Books | location = Amherst, New York | isbn = 978-1-59102-361-6 | url = https://archive.org/details/deepskyobjects00davi/page/70}}</ref>

[[北冕座R]]是黄色[[超巨星|超巨]]变星，距地球超七千光年，是[[北冕座R型變星]]的原型。星体基准亮度六等，最低按周期跌到15等，此后几个月缓慢回归。<ref>{{cite web | last = Davis | first = Kate | date = 2000-01 | archive-url = http://web.archive.org/web/20210502092024/https://www.aavso.org/vsots_rcrb | work = Variable star of the season | url = https://www.aavso.org/vsots_rcrb | title = R Coronae Borealis | publisher = American Association of Variable Star Observers (AAVSO) | access-date = 2021-05-31 | archive-date = 2021-05-02 | dead-url = no}}</ref>恒星喷出尘埃导致亮度降低，[[哈勃空间望远镜]]直接成像表明广阔的尘埃云从恒星向外延伸约两千天文单位，由恒星风带动的细微尘埃流（由直径约五[[纳米]]的颗粒组成）与星体按周期喷出的粗尘（直径约0.14[[微米]]）组成<ref>{{cite journal | last1 = Jeffers | first1 = S. V. | last2 = Min | first2 = M. | last3 = Waters | first3 = L. B. F. M. | last4 = Canovas | first4 = H. | last5 = Rodenhuis | first5 = M. | last6 = de Juan Ovelar | first6 = M. | last7 = Chies-Santos | first7 = A. L. | last8 = Keller | first8 = C. U. | year = 2012 | title = Direct imaging of a massive dust cloud around R Coronae Borealis | journal = Astronomy & Astrophysics | volume = 539 | issue = A56 | page = A56 | bibcode = 2012A&A...539A..56J | doi = 10.1051/0004-6361/201117138 | arxiv = 1203.1265}}</ref>。

北冕座有许多亮度适合业余天文学爱好者观察的变星，如三颗长周期[[刍藁变星]]<ref name="Levy 1998" />：[[北冕座S]]以360天周期在5.8至14.1视星等范围闪烁<ref name="AAVSOS">{{cite web | archive-url = http://web.archive.org/web/20210501192441/https://www.aavso.org/vsx/index.php?view=detail.top&oid=10601 | url = https://www.aavso.org/vsx/index.php?view=detail.top&oid=10601 | title = S Coronae Borealis | last = Watson | first = Christopher | date = 2010-01-04 | work = The International Variable Star Index | publisher = American Association of Variable Star Observers | access-date = 2021-05-31 | archive-date = 2021-05-01 | dead-url = no}}</ref>，离地约1946光年，光度达太阳16643倍，表面温度3033开尔文<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 | doi = 10.1111/j.1365-2966.2012.21873.x | arxiv = 1208.2037}}</ref>。[[北冕座V]]是夜空非常偏红色的天体<ref name="Levy 1998" />，表面温度2877开尔文，光度达太阳10万2831倍，距地球8810光年<ref name="Mcdonald" />。该星以357天周期在6.9至12.6视星等变化<ref name="AAVSOV">{{cite web | url = https://www.aavso.org/vsx/index.php?view=detail.top&oid=10604 | archive-url = http://web.archive.org/web/20210516075050/https://www.aavso.org/vsx/index.php?view=detail.top&oid=10604 | title = V Coronae Borealis | last = Watson | first = Christopher | date = 2010-01-04 | work = The International Variable Star Index | publisher = American Association of Variable Star Observers | access-date = 2021-05-31 | dead-url = no | archive-date = 2021-05-16}}</ref>，位置靠近北冕座、武仙座、牧夫座交汇处<ref name="Levy 1998" />。[[北冕座τ]]东北1.5°的[[北冕座W]]以238天周期在7.8至14.3视星等范围变动<ref name="AAVSOW">{{cite web | url = https://www.aavso.org/vsx/index.php?view=detail.top&oid=10605 | title = W Coronae Borealis | archive-url = http://web.archive.org/web/20200930145605/http://www.aavso.org/vsx/index.php?view=detail.top&oid=10605 | last = Watson | first = Christopher | date = 2010-01-04 | work = The International Variable Star Index | publisher = American Association of Variable Star Observers | access-date = 2021-05-31 | archive-date = 2020-09-30 | dead-url = no}}</ref>。红巨星[[北冕座RR]]是M3型[[半規則變星]]，以60.8天周期在7.3至8.2视星等范围闪烁<ref name="AAVSORR">{{cite web | url = https://www.aavso.org/vsx/index.php?view=detail.top&oid=10609 | title = RR Coronae Borealis | last = Otero | first = Sebastian Alberto | date = 2011-08-15 | work = The International Variable Star Index | publisher = American Association of Variable Star Observers | access-date = 2021-05-31 | archive-url = http://web.archive.org/web/20210502113735/https://www.aavso.org/vsx/index.php?view=detail.top&oid=10609 | dead-url = no | archive-date = 2021-05-02}}</ref>。[[北冕座RS]]也是半规则红巨变星，以332天周期在8.7至11.6视星等变化<ref name="AAVSORS">{{cite web | publisher = American Association of Variable Star Observers | url = https://www.aavso.org/vsx/index.php?view=detail.top&oid=10610 | title = RS Coronae Borealis | last = Watson | first = Christopher | date = 2010-01-04 | work = The International Variable Star Index | access-date = 2021-05-31 | archive-url = http://web.archive.org/web/20210502125313/https://www.aavso.org/vsx/index.php?view=detail.top&oid=10610 | dead-url = no | archive-date = 2021-05-02}}</ref>。与其他红巨星相比，北冕座RS的[[自行]]范围特别大，每年超过50毫弧秒<ref name=" Jiménez-Esteban">{{cite journal | last1 = Jiménez-Esteban | first1 = F. M. | last2 = Caballero | first2 = J. A. | last3 = Dorda | first3 = R. | last4 = Miles-Páez | first4 = P. A. | last5 = Solano | first5 = E. | year = 2012 | title = Identification of red high proper-motion objects in Tycho-2 and 2MASS catalogues using Virtual Observatory tools | journal = Astronomy & Astrophysics | volume = 539 | page = 12 | doi = 10.1051/0004-6361/201118375 | bibcode = 2012A&A...539A..86J | arxiv = 1201.5315}}</ref>。[[北冕座U]]是大陵五型食联星系，以3.45天周期在7.66至8.79视星等范围变动<ref name="AAVSOU">{{cite web | access-date = 2021-05-31 | work = The International Variable Star Index | url = https://www.aavso.org/vsx/index.php?view=detail.top&oid=10603 | title = U Coronae Borealis | last = Watson | first = Christopher | date = 2010-01-04 | publisher = American Association of Variable Star Observers | archive-date = 2020-07-28 | dead-url = no | archive-url = http://web.archive.org/web/20200728224432/http://www.aavso.org/vsx/index.php?view=detail.top&oid=10603}}</ref>。

人类已在北冕座五个恒星系发现[[太陽系外行星|系外行星]]，其中四个是用[[系外行星偵測法|径向速度法]]发现。经过2005至2012年共七年的光谱分析，科学家认为贯索七拥有约6.7倍[[木星質量]]、公转周期418天、平均间距约1.3天文单位的行星。<ref name="lee 2012">{{cite journal | last1 = Lee | first1 = B.-C. | last2 = Han | first2 = I. | last3 = Park | first3 = M.-G. | last4 = Mkrtichian | first4 = D. E. | last5 = Kim | first5 = K.-M. | year = 2012 | title = A planetary companion around the K giant ɛ Corona Borealis | journal = Astronomy & Astrophysics | volume = 546 | id = A5 | page = 5 | bibcode = 2012A&A...546A...5L | doi = 10.1051/0004-6361/201219347 | arxiv = 1209.1187}}</ref>贯索七是光谱等级K2III的橙巨星，质量是太阳1.7倍但半径已膨胀到21倍，光度151倍<ref name="aj135_1_209">{{cite journal | last1 = Massarotti | first1 = Alessandro | last2 = Latham | first2 = David W. | last3 = Stefanik | first3 = Robert P. | last4 = Fogel | first4 = Jeffrey | title = Rotational and Radial Velocities for a Sample of 761 HIPPARCOS Giants and the Role of Binarity | url = https://archive.org/details/sim_astronomical-journal_2008-01_135_1/page/209 | journal = The Astronomical Journal | volume = 135 | issue = 1 | pages = 209–231 | date = 2008-01 | doi = 10.1088/0004-6256/135/1/209 | bibcode = 2008AJ....135..209M}}</ref>。[[貫索增四]]是光谱等级K1IV的橙次巨星，质量接近太阳两倍，周围还有岩屑盘<ref name="Pawellek 2014" />，附属行星公转周期3.4年<ref name="PASJ">{{cite journal | journal = Publications of the Astronomical Society of Japan | volume = 64 | issue = 6 | id = 135 | page = 14 | title = Substellar Companions to Seven Evolved Intermediate-Mass Stars | arxiv = 1207.3141 | year = 2012 | last1 = Sato | first1 = Bun'ei | last2 = Omiya | first2 = Masashi | last3 = Harakawa | first3 = Hiroki | last4 = Izumiura | first4 = Hideyuki | last5 = Kambe | first5 = Eiji | last6 = Takeda | first6 = Yoichi | last7 = Yoshida | first7 = Michitoshi | last8 = Itoh | first8 = Yoichi | last9 = Ando | first9 = Hiroyasu | last10 = Kokubo | first10 = Eiichiro | last11 = Ida | first11 = Shigeru | bibcode = 2012PASJ...64..135S | doi = 10.1093/pasj/64.6.135}}</ref>。估计该行星拥有2.5倍木星质量，岩屑盘的尺寸表明贯索增四很可能还有第二颗亚恒星相伴<ref name="Bonsor13">{{cite journal | last1 = Bonsor | first1 = Amy | last2 = Kennedy | first2 = Grant M. | last3 = Crepp | first3 = Justin R. | last4 = Johnson | first4 = John A. | last5 = Wyatt | first5 = Mark C. | last6 = Sibthorpe | first6 = Bruce | last7 = Su | first7 = Kate Y. L. | year = 2013 | title = Spatially Resolved Images of Dust Belt(s) Around the Planet-hosting Subgiant κ CrB | journal = [[皇家天文學會月報|MNRAS]] | volume = 431 | issue = 4 | pages = 3025–3035 | doi = 10.1093/mnras/stt367 | arxiv = 1302.7000 | bibcode = 2013MNRAS.431.3025B}}</ref>。K型[[紅群聚|群巨星]][[北冕座ο]]已经确认拥有0.83倍木星质量的行星，公转周围187天，这么小的质量在群巨星行星里非常罕见，确知的仅有两颗<ref name="PASJ" />。光谱等级K0III的橙巨星[[HD 145457]]所附行星质量为木星2.9倍，公转周期176天<ref name="sato 2010">{{cite journal | last1 = Sato | first1 = Bun'ei | last2 = Omiya | first2 = Masashi | last3 = Liu | first3 = Yujuan | last4 = Harakawa | first4 = Hiroki | last5 = Izumiura | first5 = Hideyuki | last6 = Kambe | first6 = Eiji | last7 = Toyota | first7 = Eri | last8 = Murata | first8 = Daisuke | last9 = Lee | first9 = Byeong-Cheol | last10 = Masuda | first10 = Seiji | last11 = Takeda | first11 = Yoichi | last12 = Yoshida | first12 = Michitoshi | last13 = Itoh | first13 = Yoichi | last14 = Ando | first14 = Hiroyasu | last15 = Kokubo | first15 = Eiichiro | last16 = Ida | first16 = Shigeru | last17 = Zhao | first17 = Gang | last18 = Han | first18 = Inwoo | year = 2010 | title = Substellar Companions to Evolved Intermediate-Mass Stars: HD 145457 and HD 180314 | journal = Publications of the Astronomical Society of Japan | volume = 62 | issue = 4 | pages = 1063–1069 | bibcode = 2010PASJ...62.1063S | doi = 10.1093/pasj/62.4.1063 | arxiv = 1005.2860}}</ref>。[[XO-1 (恆星)|XO-1]]是离地560光年的11等[[G型主序星|黄主序星]]<ref name="Torres2008">{{cite journal | title = Improved Parameters for Extrasolar Transiting Planets | last1 = Torres | first1 = Guillermo | last2 = Winn | first2 = Joshua N. | last3 = Holman | first3 = Matthew J. | journal = The Astrophysical Journal | volume = 677 | issue = 2 | pages = 1324–1342 | year = 2008 | arxiv = 0801.1841 | bibcode = 2008ApJ...677.1324T | doi = 10.1086/529429}}</ref>，光谱等级G1V，质量和半径都接近太阳。2006年科学家用[[XO望遠鏡]]采用[[系外行星偵測法|凌日法]]发现绕该星旋转的[[熱木星]][[XO-1b]]，尺寸与木星差不多但公转周期只有三天。<ref name="McCullough2006">{{cite journal | title = A Transiting Planet of a Sun-like Star | last1 = McCullough | first1 = P. R. | last2 = Stys | first2 = J. E. | last3 = Valenti | first3 = Jeff A. | last4 = Johns‐krull | first4 = C. M. | last5 = Janes | first5 = K.A. | last6 = Heasley | first6 = J. N. | last7 = Bye | first7 = B. A. | last8 = Dodd | first8 = C. | last9 = Fleming | first9 = S. W. | last10 = Pinnick | first10 = A. | last11 = Bissinger | first11 = R. | last12 = Gary | first12 = B. L. | last13 = Howell | first13 = P. J. | last14 = Vanmunster | first14 = T. | journal = The Astrophysical Journal | volume = 648 | issue = 2 | pages = 1228–1238 | year = 2006 | arxiv = astro-ph/0605414 | bibcode = 2006ApJ...648.1228M | doi = 10.1086/505651}}</ref>

1997年，科学家宣布通过分析貫索九的径向速度发现木星尺寸行星。貫索九是光谱等级G0V的黄主序星，还是[[類太陽恆星]]<ref name="Belle">{{cite journal | last1 = van Belle | first1 = Gerard T. | last2 = von Braun | first2 = Kaspar | title = Directly Determined Linear Radii and Effective Temperatures of Exoplanet Host Stars | journal = [[天文物理期刊|The Astrophysical Journal]] | volume = 694 | issue = 2 | year = 2009 | pages = 1085–1098 | doi = 10.1088/0004-637X/694/2/1085 | bibcode = 2009ApJ...694.1085V | arxiv = 0901.1206}}</ref>，距地球约57光年<ref>{{cite journal | last1 = Noyes | first1 = Robert W. | last2 = Jha | first2 = Saurabh | last3 = Korzennik | first3 = Sylvain G. | last4 = Krockenberger | first4 = Martin | last5 = Nisenson | first5 = Peter | last6 = Brown | first6 = Timothy M. | last7 = Kennelly | first7 = Edward J. | last8 = Horner | first8 = Scott D. | title = A Planet Orbiting the Star ρ Coronae Borealis | year = 1997 | journal = The Astrophysical Journal | volume = 483 | issue = 2 | pages = L111–114 | doi = 10.1086/310754 | bibcode = 1997ApJ...483L.111N | arxiv = astro-ph/9704248}}</ref>。[[依巴谷卫星]]后来提供的测量数据更加精确，表明贯索九属约一百到两百倍木星质量的低质量恒星<ref name="ReffertQuirrenbach">{{cite journal | last1 = Reffert | first1 = S. | last2 = Quirrenbach | first2 = A. | title = Mass constraints on substellar companion candidates from the re-reduced Hipparcos intermediate astrometric data: nine confirmed planets and two confirmed brown dwarfs | year = 2011 | journal = Astronomy & Astrophysics | volume = 527 | page = A140 | doi = 10.1051/0004-6361/201015861 | bibcode = 2011A&A...527A.140R | arxiv = 1101.2227}}</ref>。计算结果表明联星[[贯索增三]]的[[適居帶]]轨道范围可能存在稳定行星<ref>{{cite journal | last = Benest | first = D. | year = 1996 | title = Planetary orbits in the elliptic restricted problem. III. The η Coronae Borealis system. | url = https://archive.org/details/sim_astronomy-and-astrophysics_1996-10_314_3/page/983 | journal = Astronomy and Astrophysics | volume = 314 | pages = 983–988 | bibcode = 1996A&A...314..983B}}</ref>，联星本身由光谱等级分别是G1V与G3V的两颗黄主序星构成，质量与光谱等级都接近太阳<ref name="kalereta">{{cite web | first = James B. | last = Kaler | title = Eta Coronae Borealis | work = Stars | publisher = University of Illinois | url = http://stars.astro.illinois.edu/sow/etacrb.html | date = 2012-06-22 | access-date = 2021-05-31 | dead-url = no | archive-url = http://web.archive.org/web/20210415193650/http://stars.astro.illinois.edu/sow/etacrb.html | archive-date = 2021-04-15}}</ref>。依巴谷卫星没有在预想位置发现行星，但2001年科学家发现距联星3640天文单位的棕矮星，质量约木星63倍，光谱等级L8<ref name="brown">{{cite journal | title = Brown Dwarf Companions to G-Type Stars. I. Gliese 417B and Gliese 584C | url = https://archive.org/details/sim_astronomical-journal_2001-06_121_6/page/3235 | journal = The Astronomical Journal | volume = 121 | issue = 6 | pages = 3235–3253 | last1 = Kirkpatrick | first1 = J. Davy | last2 = Dahn | first2 = Conard C. | last3 = Monet | first3 = David G. | last4 = Reid | first4 = I. Neill | last5 = Gizis | first5 = John E. | last6 = Liebert | first6 = James | last7 = Burgasser | first7 = Adam J. | year = 2001 | arxiv = astro-ph/0103218 | bibcode = 2001AJ....121.3235K | doi = 10.1086/321085}}</ref>。

北冕座可供业余望远镜观测的星系很少<ref>{{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, United Kingdom | year = 1998 | page = 92 | isbn = 978-0-521-62556-2 | url = https://books.google.com.hk/books?id=MwCyjQpGU7UC&pg=PA92&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false | access-date = 2021-05-31}}</ref>，其中[[NGC 6085]]和[[NGC 6086]]是距离较近、用望远镜可在同一视野观测的[[螺旋星系]]与[[椭圆星系]]<ref name="Rumistrzewicz">{{cite book | last = Rumistrzewicz | first = Stefan | title = A Visual Astronomer's Photographic Guide to the Deep Sky: A Pocket Field Guide | publisher = Springer Science & Business Media | location = New York, New York | year = 2010 | page = 158 | isbn = 978-1-4419-7242-2 | url = https://books.google.com.hk/books?id=Vhjn3DEJpyIC&pg=PA158&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false | access-date = 2021-06-01}}</ref>。[[阿貝爾2142]]是直径达600万光年的巨型X射线发射[[星系团]]，由尚在合并的两个星系团形成，[[紅移]]0.0909，以每秒27250公里的速度远离太阳系，亮度只有16视星等，现距地球约12亿光年{{refn|group="注"|上述距离是按红移计算所得。}}<ref name="NED">{{cite web | title = NASA/IPAC Extragalactic Database | work = Results for Abell 2142 | url = http://ned.ipac.caltech.edu/ | access-date = 2021-06-01 | archive-date = 2021-05-19 | dead-url = no | archive-url = http://web.archive.org/web/20210519023537/http://ned.ipac.caltech.edu/}}</ref>。RX J1532.9+3021星系团离地约39亿光年<ref name="chandra">{{cite web | url = https://chandra.harvard.edu/photo/2014/rxj1532/ | archive-url = http://web.archive.org/web/20210502032718/https://chandra.harvard.edu/photo/2014/rxj1532/ | dead-url = no | title = RX J1532.9+3021: Extreme Power of Black Hole Revealed | publisher = Chandra X-ray Center | date = 2014-01-23 | access-date = 2021-06-01 | archive-date = 2021-05-02}}</ref>，中央椭圆星系包含的[[超大質量黑洞]]无论质量还是吸引力都位居已知黑洞前列<ref name="chandra" />。[[阿贝尔2065]]是非常密集的星系团，包含四百多个星系，最亮时也只有16视星等，距地球超十亿光年<ref name="Ridpath-Tirion-2001" />。阿贝尔2065、[[阿贝尔2061|2061]]、[[阿贝尔2067|2067]]、2079、2089、2092组成[[北冕座超星系團]]<ref name="postman88">{{cite journal | title = The dynamics of the Corona Borealis supercluster | last1 = Postman | first1 = M. | last2 = Geller | first2 = M. J. | last3 = Huchra | first3 = J. P. | journal = Astronomical Journal | volume = 95 | year = 1988 | pages = 267–283 | doi = 10.1086/114635 | bibcode = 1988AJ.....95..267P}}</ref>。[[艾伯耳2162]]星系团属[[武仙座超星系团]]<ref name="kopylova">{{cite journal | last1 = Kopylova | first1 = F. G. | last2 = Kopylov | first2 = A. I. | year = 2013 | title = Investigation of properties of galaxy clusters in the Hercules supercluster region | journal = Astronomy Letters | volume = 39 | issue = 1 | pages = 1–16 | doi = 10.1134/S1063773712120043 | bibcode = 2013AstL...39....1K}}</ref>。{{Clear}}

阿拉伯人曾把北冕座称为“{{lang|ar|الفكة}}”，意为“分离”或“破碎”，指星座恒星类似打散的珠宝<ref>{{cite book | last1 = Kunitzch | first1 = Paul | last2 = Smart | first2 = Tim | title = A Dictionary of Modern Star Names: A Short Guide to 254 Star Names and Their Derivations | page = 30 | year = 2006 | publisher = Sky Publishing Corporation | location = Cambridge, Massachusetts | isbn = 978-1-931559-44-7 | orig-year = 1986}}</ref>，也可理解成破碎的碟子<ref name="Raymo">{{cite book | last = Raymo | first = Chet | title = Three Hundred and Sixty Five Starry Nights: An Introduction to Astronomy for Every Night of the Year | publisher = Simon and Schuster | location = New York, New York | year = 1990 | orig-year = 1982 | page = 101 | isbn = 978-0-671-76606-1 | access-date = 2021-06-01 | url = https://books.google.com.hk/books?id=rTe5HaRsAS4C&pg=PA101&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false}}</ref>。[[貝都因人]]把北冕座视为“{{lang|ar|قصعة المساكين}}”，意指“穷人的碗碟”<ref>{{cite book | title = An Eleventh-Century Egyptian Guide to the Universe: The Book of Curiosities, Edited with an Annotated Translation | last1 = Rapoport | first1 = Yossef | last2 = Savage-Smith | first2 = Emilie | publisher = BRILL | url = https://books.google.com.hk/books?id=ERJMAgAAQBAJ&pg=PA622&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false | location = Leiden, Netherlands | isbn = 978-90-04-25699-6 | page = 622 | year = 2013 | access-date = 2021-06-01}}</ref>。

美洲原住民[[斯基迪人]]认为北冕座恒星代表辅佐酋长[[北极星]]的长老<ref name="hall">{{cite journal | last = Hall | first = Robert L. | year = 2005 | title = Contradictions as a Source of Historical Perspective: Camp Circles and Sacred Poles | journal = Ontario Archaeology | issue = 79/80 | pages = 115–126 [122] | dead-url = yes | archive-url = https://web.archive.org/web/20150227150425if_/http://www.ontarioarchaeology.on.ca/publications/pdf/oa_79-80hall.pdf | url = http://www.ontarioarchaeology.on.ca/publications/pdf/oa_79-80hall.pdf | archive-date = 2015-02-27 | format = PDF}}</ref>。星座还用于代表火炉上的排烟孔，是原住民向天神传达信息的渠道，也是召集酋长共商大计的手段<ref>{{cite book | last = Chamberlain | first = Von Del | title = Archaeoastronomy in the New World: American Primitive Astronomy : Proceedings of an International Conference Held at Oxford University, September, 1981 | editor = Anthony F. Aveni | publisher = Cambridge University Press | location = Cambridge, United Kingdom | year = 1982 | page = 184 | chapter = Earth Lodge as Observatory | isbn = 978-0-521-24731-3}}</ref>。[[肖尼族]]把北冕座恒星视为“天上姐妹”，每晚从天而降在地面起舞。贯索四代表最小同时也最漂亮的妹妹，猎人变成田鼠靠近后抓住她。两人成婚但她后来返回天国，伤心的丈夫之后带着儿子追随而去。<ref name="Raymo" />加拿大东部的[[米克马克人]]把北冕座称为“Mskegwǒm”，意为天熊的巢穴，天熊由[[大熊座]]恒星[[天樞]]、[[天璇]]、[[天璣]]、[[天權]]组成<ref>{{cite journal | last = Hagar | first = Stansbury | year = 1900 | title = The Celestial Bear | journal = The Journal of American Folklore | volume = 13 | issue = 49 | pages = 92–103 | jstor = 533799 | doi = 10.2307/533799}}</ref>。

[[澳大利亚原住民天文学]]根据恒星组成的形状把北冕座称为“womera”，意为“[[回力镖]]”<ref>{{cite book | page = 151 | url = https://books.google.com.hk/books?id=TIatz2DGXQwC&redir_esc=y&hl=zh-CN&sourceid=cndr | title = Star Lore: Myths, Legends, and Facts | last = Olcott | first = William Tyler | location = New York, New York | publisher = Dover Publication Inc. | isbn = 978-0-486-43581-7 | year = 2004}}</ref>。新南威尔士州西北部威尔温人把北冕座视为“鹰巢”，[[河鼓二]]与[[織女一]]均代表住在巢内的老鹰<ref name="ridley1875">{{cite book | last = Ridley | first = William | title = Kámilarói, and other Australian languages | publisher = T. Richards, government printer | location = Sydney, New South Wales | year = 1875 | edition = 2nd | pages = 141–142 | access-date = 2021-06-01 | url = https://www.unz.com/print/RidleyWilliam-1875}}</ref>。北澳大利亚的[[瓦达曼人]]把北冕座视为男子律法、女子律法、男女律法、人类存在问题的集合点<ref>{{cite book | last1 = Harney | first1 = Bill Yidumduma | last2 = Cairns | first2 = Hugh C. | title = Dark Sparklers | publisher = Hugh C. Cairns | location = Merimbula, New South Wales | pages = 98, 105 | year = 2004 | orig-year = 2003 | edition = Revised | isbn = 0-9750908-0-1}}</ref>。

科比尼亚努斯·托马斯1730年版星图为向[[天主教萨尔茨堡总教区|萨尔茨堡总主教]]致敬把北冕座拉丁语名改为“Corona Firmiana”（“北梧桐”），后世天体制图师没有采纳<ref>{{cite book | first = Nick | last = Kanas | year = 2007 | title = Star maps: history, artistry, and cartography | pages = 207–209 | access-date = 2021-06-01 | url = https://books.google.com.hk/books?id=bae3LP4tfP4C&pg=PA208&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false | publisher = Springer | location = New York, New York | isbn = 978-0-387-71668-8 }}</ref>。北冕座是[[霍华德·菲利普斯·洛夫克拉夫特]]1923年短篇小说《[[睡神 (小说)|睡神]]》情节的重要组成，主角对之非常害怕<ref>{{cite book | last = Smith | first = Don G. | title = H.P. Lovecraft in Popular Culture: The Works and Their Adaptations in Film, Television, Comics, Music and Games | publisher = McFarland | location = Jefferson, North Carolina | year = 2005 | page = 16 | isbn = 0-7864-2091-X | access-date = 2021-06-01 | url = https://books.google.com.hk/books?id=3jTFK9HTZaUC&pg=PA16&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false}}</ref>。2002年，芬兰[[死亡旋律金屬]]乐队[[Cadacross]]（“卡达克罗斯”）推出北冕座同名专辑<ref>{{cite web | url = https://www.allmusic.com/album/corona-borealis-mw0000335058 | title = Cadacross Corona Borealis | author = Allmusic | year = 2015 | work = Albums | publisher = All Media Network, LLC. | access-date = 2021-06-01 | archive-url = http://web.archive.org/web/20200801072759/https://www.allmusic.com/album/corona-borealis-mw0000335058 | dead-url = no | archive-date = 2020-08-01}}</ref>。

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