船尾座Q
（重定向自HD 63744）
Location of HD 63744的位置（红圈） | |
| 观测资料 历元 J2000 | |
|---|---|
| 星座 | 船尾座 |
| 星官 | |
| 赤经 | 07h 48m 20.16042s[1] |
| 赤纬 | -47° 04′ 39.7985″[1] |
| 视星等（V） | 4.71[2] |
| 特性 | |
| 光谱分类 | K0III[3] |
| U−B 色指数 | +0.92[2] |
| B−V 色指数 | +1.06[2] |
| 天体测定 | |
| 径向速度 (Rv) | −1.20[4] km/s |
| 自行 (μ) | 赤经：−101.85[1] mas/yr 赤纬：−78.08[1] mas/yr |
| 视差 (π) | 14.04 ± 0.16[1] mas |
| 距离 | 232 ± 3 ly (71.2 ± 0.8 pc) |
| 绝对星等 (MV) | +0.43[5] |
| 详细资料 | |
| 质量 | 1.27[6] M☉ |
| 半径 | 13[6] R☉ |
| 表面重力 (log g) | 2.34[6] |
| 亮度 | 84.48[5] L☉ |
| 温度 | 4,750[7] K |
| 金属量 [Fe/H] | -0.02[8] dex |
| 自转速度 (v sin i) | < 1.0[9] km/s |
| 其他命名 | |
| 参考数据库 | |
| SIMBAD | 资料 |
HD 63744 是一颗位于船尾座，分类为K0III[3]（橘巨星）的恒星。它的视星等为4.71[2]，根据视差，距离约232光年[1]。
参考文献[编辑]
- ^ 1.0 1.1 1.2 1.3 1.4 1.5 Van Leeuwen, F. Validation of the new Hipparcos reduction. Astronomy and Astrophysics. 2007, 474 (2): 653–664. Bibcode:2007A&A...474..653V. S2CID 18759600. arXiv:0708.1752 可免费查阅. doi:10.1051/0004-6361:20078357. Vizier catalog entry
- ^ 2.0 2.1 2.2 2.3 Ducati, J. R. VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system. CDS/ADC Collection of Electronic Catalogues. 2002, 2237. Bibcode:2002yCat.2237....0D.
- ^ 3.0 3.1 Hoffleit, D.; Warren, W. H. VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991). VizieR On-line Data Catalog: V/50. Originally Published in: 1964BS....C......0H. 1995, 5050. Bibcode:1995yCat.5050....0H.
- ^ Gontcharov, G. A. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system. Astronomy Letters. 2006, 32 (11): 759–771. Bibcode:2006AstL...32..759G. S2CID 119231169. arXiv:1606.08053 可免费查阅. doi:10.1134/S1063773706110065.
- ^ 5.0 5.1 Anderson, E.; Francis, Ch. XHIP: An extended hipparcos compilation. Astronomy Letters. 2012, 38 (5): 331. Bibcode:2012AstL...38..331A. S2CID 119257644. arXiv:1108.4971 可免费查阅. doi:10.1134/S1063773712050015. Vizier catalog entry
- ^ 6.0 6.1 6.2 Allende Prieto, C.; Lambert, D. L. Fundamental parameters of nearby stars from the comparison with evolutionary calculations: Masses, radii and effective temperatures. Astronomy and Astrophysics. 1999, 352: 555–562. Bibcode:1999A&A...352..555A. arXiv:astro-ph/9911002 可免费查阅. Vizier catalog entry
- ^ Gontcharov, G. A. Red giant clump in the Tycho-2 catalogue. Astronomy Letters. 2009, 34 (11): 785–796. Bibcode:2008AstL...34..785G. S2CID 73524157. arXiv:1607.00619 可免费查阅. doi:10.1134/S1063773708110078. Vizier catalog entry
- ^ Soubiran, Caroline; Le Campion, Jean-François; Brouillet, Nathalie; Chemin, Laurent. The PASTEL catalogue: 2016 version. Astronomy & Astrophysics. 2016, 591: A118. Bibcode:2016A&A...591A.118S. S2CID 119258214. arXiv:1605.07384 可免费查阅. doi:10.1051/0004-6361/201628497.
- ^ De Medeiros, J. R.; Alves, S.; Udry, S.; Andersen, J.; Nordström, B.; Mayor, M. A catalog of rotational and radial velocities for evolved stars. Astronomy & Astrophysics. 2014, 561: A126. Bibcode:2014A&A...561A.126D. S2CID 54046583. arXiv:1312.3474 可免费查阅. doi:10.1051/0004-6361/201220762. Vizier catalog entry
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