天市右垣四

天市右垣四巨蛇座γ)也称,是位于巨蛇座的恒星,其视星等为3.85[2]

天市右垣四
觀測資料
曆元 J2000
星座 巨蛇座
星官
赤經 15h 56m 27.18269s[1]
赤緯 +15° 39 41.8206[1]
視星等(V) 3.85[2]
特性
光谱分类F6 V[2]
U−B 色指数-0.03[3]
B−V 色指数+0.48[2]
天体测定
徑向速度 (Rv)6.78 ± 0.09[4] km/s
自行 (μ) 赤经:310.93 ± 0.20[1] mas/yr
赤纬:-1282.19 ± 0.18[1] mas/yr
视差 (π)89.565 ± 0.18[1] mas
距离36.42 ± 0.07 ly
(11.17 ± 0.02 pc)
绝对星等 (MV)3.60[5]
詳細資料
質量1.30 ± 0.15[6] M
半徑1.55 ± 0.05[6] R
表面重力 (log g)4.23[2]
亮度3.02 ± 0.09[6] L
溫度6,350 ± 310[2] K
金属量 [Fe/H]−0.19[6] dex
自轉速度 (v sin i)10.2[6] km/s
年齡3.49[7] Gyr
其他命名
Ainalhai, 41 Serpentis, BD+16° 2849, FK5 591, GCTP 3604.00, HD 142860, HIP 78072, HR 5933, LHS 408, SAO 101826.[8]
參考資料庫
SIMBAD资料


参考文献

  1. van Leeuwen, F. . Astronomy and Astrophysics. 2007, 474 (2): 653–664 [2018-02-26]. Bibcode:2007A&A...474..653V. arXiv:0708.1752可免费查阅. doi:10.1051/0004-6361:20078357. (原始内容存档于2016-04-02). Vizier catalog entry 页面存档备份,存于
  2. Malagnini, M. L.; Morossi, C., , Astronomy and Astrophysics Supplement Series, November 1990, 85 (3): 1015–1019, Bibcode:1990A&AS...85.1015M
  3. Mermilliod, J.-C., , Catalogue of Eggen's UBV data. SIMBAD, 1986, Bibcode:1986EgUBV........0M.
  4. Nidever, David L.; et al, , The Astrophysical Journal Supplement Series, August 2002, 141 (2): 503–522, Bibcode:2002ApJS..141..503N, arXiv:astro-ph/0112477可免费查阅, doi:10.1086/340570.
  5. Holmberg, J.; et al, , Astronomy and Astrophysics, July 2009, 501 (3): 941–947, Bibcode:2009A&A...501..941H, arXiv:0811.3982可免费查阅, doi:10.1051/0004-6361/200811191.
  6. Bruntt, H.; et al, , Monthly Notices of the Royal Astronomical Society, July 2010, 405 (3): 1907–1923, Bibcode:2010MNRAS.405.1907B, arXiv:1002.4268可免费查阅, doi:10.1111/j.1365-2966.2010.16575.x
  7. Vican, Laura, , The Astronomical Journal, June 2012, 143 (6): 135, Bibcode:2012AJ....143..135V, arXiv:1203.1966可免费查阅, doi:10.1088/0004-6256/143/6/135.
  8. . SIMBAD. 斯特拉斯堡天文資料中心. [2007-01-23].

外部链接

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.