顿顽一
| 观测资料 历元 J2000.0 | |
|---|---|
| 星座 | 豺狼座 |
| 星官 | |
| 赤经 | 15h 21m 48.36967s[1] |
| 赤纬 | −36° 15′ 40.9525″[1] |
| 视星等（V） | 3.58[2] |
| 特性 | |
| 光谱分类 | K5 III[3] |
| U−B 色指数 | +1.85[2] |
| B−V 色指数 | +1.53[2] |
| 天体测定 | |
| 径向速度 (Rv) | −29.4±0.7[4] km/s |
| 自行 (μ) | 赤经：−92.33[1] mas/yr 赤纬：−85.67[1] mas/yr |
| 视差 (π) | 11.86 ± 0.16[1] mas |
| 距离 | 275 ± 4 ly (84 ± 1 pc) |
| 绝对星等 (MV) | −1.55[5] |
| 详细资料 | |
| 半径 | 52[6] R☉ |
| 温度 | 3,894±59[7] K |
| 其他命名 | |
| 参考数据库 | |
| SIMBAD | 资料 |
顿顽一（豺狼座φ1）是位于豺狼座的恒星，其视星等为3.57。
参考文献
[编辑]- ^ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F., Validation of the new Hipparcos reduction, Astronomy and Astrophysics, 2007, 474 (2): 653–664, Bibcode:2007A&A...474..653V, arXiv:0708.1752
, doi:10.1051/0004-6361:20078357.
- ^ 2.0 2.1 2.2 Mermilliod, J.-C., Compilation of Eggen's UBV data, transformed to UBV (unpublished), Catalogue of Eggen's UBV data (SIMBAD), 1986, Bibcode:1986EgUBV........0M.
- ^ Houk, Nancy, Michigan catalogue of two-dimensional spectral types for the HD stars 3, Ann Arbor, Michigan: Dept. of Astronomy, University of Michigan, 1979, Bibcode:1982MSS...C03....0H.
- ^ de Bruijne, J. H. J.; Eilers, A.-C., Radial velocities for the HIPPARCOS-Gaia Hundred-Thousand-Proper-Motion project, Astronomy & Astrophysics, October 2012, 546: 14, Bibcode:2012A&A...546A..61D, arXiv:1208.3048 , doi:10.1051/0004-6361/201219219, A61.
- ^ Ginestet, N.; et al, Magnitudes absolues des étoiles standards MK des types G à M à partir des parallaxes Hipparcos [The absolute magnitudes of the G to M type MK standards from the Hipparcos parallaxes], Astronomy and Astrophysics Supplement, February 2000, 142: 13−24, Bibcode:2000A&AS..142...13G, doi:10.1051/aas:2000135 （法语）.
- ^ Lang, Kenneth R., Astrophysical formulae, Astronomy and astrophysics library 1 3rd, Birkhäuser, 2006 [2018-02-23], ISBN 3-540-29692-1, （原始内容存档于2023-07-28）. The radius (R*) is given by:
- ^ Strassmeier, K. G.; Schordan, P., A temperature calibration for MK-class III giants from high-resolution spectral line-depth ratios, Astronomische Nachrichten, 2000, 321 (5): 277−305, Bibcode:2000AN....321..277S, doi:10.1002/1521-3994(200012)321:5/6<277::AID-ASNA277>3.0.CO;2-H.
- ^ [ * phi01 Lup] 请检查
|url=值 (帮助). SIMBAD. 斯特拉斯堡天文资料中心. [2017-03-10].
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