| 观测资料 历元 J2000.0 (ICRS) | |
|---|---|
| 星座 | 鲸鱼座 |
| 星官 | |
| 赤经 | 01h 36m 13.60s[1] |
| 赤纬 | -11° 20′ 32.2″[1] |
| 视星等（V） | 14.1[1] |
| 特性 | |
| 光谱分类 | DAV4[2] |
| U−B 色指数 | -0.5[2] |
| B−V 色指数 | 0.2[2] |
| 变星类型 | DAV (ZZ Ceti)[2] |
| 天体测定 | |
| 自行 (μ) | 赤经：454[1] mas/yr 赤纬：-120[1] mas/yr |
| 视差 (π) | 13 ± 2[3] mas |
| 距离 | 大约250 ly (大约80 pc) |
| 其他命名 | |
ZZ Ceti, ZZ Cet, EGGR 10, G 271-106, G 272-52, LTT 873, NLTT 5358, WD 0133-116
| |
罗斯 548是一种会变的白矮星，属于DAV类型，它在1970年被发现是一颗变星[4]，在1972年，它的变星标识为鲸鱼座ZZ (Ceti ZZ)[5]，其中还提到鲸鱼座ZZ是完全型态的DAV白矮星变星 [6], pp. 891, 895.。
相关条目
参考资料
- ↑ 1.0 1.1 1.2 1.3 1.4 Improved Astrometry and Photometry for the Luyten Catalog. II. Faint Stars and the Revised Catalog, Samir Salim and Andrew Gould, Astrophysical Journal 582, #2 (January 2003), pp. 1011–1031; CDS ID J/ApJ/582/1011.
- ↑ 2.0 2.1 2.2 2.3 A Catalog of Spectroscopically Identified White Dwarfs, George P. McCook and Edward M. Sion, Astrophysical Journal Supplement 121, #1 (March 1999), pp. 1–130. CDS ID III/210.
- ↑ Table 1, Summary of U.S. Naval Observatory parallaxes, R. S. Harrington and C. C. Dahn, Astronomical Journal 85 (April 1980), pp. 454–465.
- ↑ High-Frequency Stellar Oscillations. VI. R548, a Periodically Variable White Dwarf, Barry M. Lasker and James E. Hesser, Astrophysical Journal 163 (February 1971), pp. L89–L93.
- ↑ 58th Name-List of Variable Stars, B. V. Kukarkin, P. N. Kholopov, N. P. Kukarkina, N. B. Perova, Information Bulletin on Variable Stars, #717, September 21, 1972.
- ↑ Physics of white dwarf stars, D. Koester and G. Chanmugam, Reports on Progress in Physics 53 (1990), pp. 837–915.