天船增六

天船增六,即英仙座5353 Persei53 Per),又名BD+46 872HD 27396SAO 39483HR 1350,是英仙座的一颗恒星,為光譜型B4IV的藍色次巨星[3]。它的視星等4.80[2],並根據視差可推算其距離地球約510光年[1]。天船增六為變星,是慢脈動B型變星的原型恆星。但也有部分研究否認天船增六為該型變星。

53 Persei
紅圈內為天船增六在天球上的位置
觀測資料
曆元 J2000
星座 英仙座
星官 天船
赤經 04h 21m 33.16557s[1]
赤緯 46° 29′ 55.9554″[1]
視星等(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]
变星类型慢脈動B型變星
天体测定
徑向速度 (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]
詳細資料
質量5.9[6] M
亮度312[2] L
溫度16,720[7] K
自轉速度 (v sin i)15[8] km/s
其他命名
d Persei, V469 Per, BD+46°872, FK5 2319, GC 5256, HIP 20354, HR 1350, HD 27396, NSV 1560, SAO 39483
參考資料庫
SIMBAD资料

參考資料

  1. ^ 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. ^ 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. ^ 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. ^ 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
  5. ^ 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. 
  6. ^ 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
  7. ^ 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. 
  8. ^ 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.