羅斯548
羅斯 548是一種會變的白矮星，屬於DAV類型，它在1970年被發現是一顆變星[4]，在1972年，它的變星標識為鯨魚座ZZ (Ceti ZZ)[5]，其中還提到鯨魚座ZZ是完全型態的DAV白矮星變星 [6], pp. 891, 895.。
| 觀測資料 曆元 J2000.0 (ICRS) | |
|---|---|
| 星座 | 鯨魚座 |
| 星官 | |
| 赤經 | 01h 36m 13.60s[1] |
| 赤緯 | -11° 20′ 32.2″[1] |
| 視星等（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 | approx. 250 ly (approx. 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 | |
相關條目
參考資料
- 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.
- 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 （页面存档备份，存于）, D. Koester and G. Chanmugam, Reports on Progress in Physics 53 (1990), pp. 837–915.
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