天船增六
  | |
| 观测资料 历元 J2000 | |
|---|---|
| 星座 | 英仙座 |
| 星官 | 天船 |
| 赤经 | 04h 21m 33.16557s[1] |
| 赤纬 | 46° 29′ 55.9554″[1] |
| 视星等（V） | 4.80[2] |
| 特性 | |
| 光谱分类 | B4IV[3] |
| U−B 色指数 | -0.52[4] |
| B−V 色指数 | -0.03[4] |
| 变星类型 | 慢脉动B型变星 |
| 天体测定 | |
| 径向速度 (Rv) | +7.30[5] km/s |
| 自行 (μ) | 赤经：+20.06[1] mas/yr 赤纬：-35.45[1] mas/yr |
| 视差 (π) | 6.43 ± 0.28[1] mas |
| 距离 | 510 ± 20 ly (156 ± 7 pc) |
| 绝对星等 (MV) | -1.15[2] |
| 详细资料 | |
| 质量 | 5.9[6] M☉ |
| 亮度 | 312[2] L☉ |
| 温度 | 16,720[7] K |
| 自转速度 (v sin i) | 15[8] km/s |
| 其他命名 | |
| 参考数据库 | |
| SIMBAD | 资料 |
天船增六，即英仙座53（53 Persei，53 Per），又名BD+46 872，HD 27396、SAO 39483、HR 1350，是英仙座的一颗恒星，为光谱型B4IV的蓝色次巨星[3]。它的视星等4.80[2]，并根据视差可推算其距离地球约510光年[1]。天船增六为变星，是慢脉动B型变星的原型恒星。但也有部分研究否认天船增六为该型变星。
参考资料
[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. Bibcode:2007A&A...474..653V. arXiv:0708.1752
. doi:10.1051/0004-6361:20078357. Vizier catalog entry （页面存档备份，存于互联网档案馆）
- ^ 2.0 2.1 2.2 2.3 Anderson, E.; Francis, Ch. XHIP: An extended hipparcos compilation. Astronomy Letters. 2012, 38 (5): 331. Bibcode:2012AstL...38..331A. arXiv:1108.4971 . doi:10.1134/S1063773712050015. Vizier catalog entry （页面存档备份，存于互联网档案馆）
- ^ 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.
- ^ 4.0 4.1 Mermilliod, J. C. VizieR Online Data Catalog: Homogeneous Means in the UBV System (Mermilliod 1991). VizieR On-line Data Catalog: II/168. Originally published in: Institut d'Astronomie. 2006, 2168. Bibcode:2006yCat.2168....0M.Vizier catalog entry （页面存档备份，存于互联网档案馆）
- ^ Gontcharov, G. A. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system. Astronomy Letters. 2006, 32 (11): 759. Bibcode:2006AstL...32..759G. arXiv:1606.08053 . doi:10.1134/S1063773706110065.
- ^ Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun. Monthly Notices of the Royal Astronomical Society. 2011, 410: 190. Bibcode:2011MNRAS.410..190T. arXiv:1007.4883 . doi:10.1111/j.1365-2966.2010.17434.x. Vizier catalog entry （页面存档备份，存于互联网档案馆）
- ^ Zorec, J.; Cidale, L.; Arias, M. L.; Frémat, Y.; Muratore, M. F.; Torres, A. F.; Martayan, C. Fundamental parameters of B supergiants from the BCD system. Astronomy and Astrophysics. 2009, 501: 297. Bibcode:2009A&A...501..297Z. arXiv:0903.5134 . doi:10.1051/0004-6361/200811147.
- ^ Abt, Helmut A.; Levato, Hugo; Grosso, Monica. Rotational Velocities of B Stars. The Astrophysical Journal. 2002, 573: 359. Bibcode:2002ApJ...573..359A. doi:10.1086/340590.
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