天市右垣四

(重定向自巨蛇座γ

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)88.86 ± 0.18[1] mas
距离36.7 ± 0.07 ly
(11.25 ± 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
SIMBADdata


参考文献编辑

  1. ^ 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.  Vizier catalog entry
  2. ^ 2.0 2.1 2.2 2.3 2.4 2.5 Malagnini, M. L.; Morossi, C., Accurate absolute luminosities, effective temperatures, radii, masses and surface gravities for a selected sample of field stars, Astronomy and Astrophysics Supplement Series, November 1990, 85 (3): 1015–1019, Bibcode:1990A&AS...85.1015M 
  3. ^ Mermilliod, J.-C., Compilation of Eggen's UBV data, transformed to UBV (unpublished), Catalogue of Eggen's UBV data. SIMBAD, 1986, Bibcode:1986EgUBV........0M. 
  4. ^ Nidever, David L.; 等, Radial Velocities for 889 Late-Type Stars, The Astrophysical Journal Supplement Series, August 2002, 141 (2): 503–522, Bibcode:2002ApJS..141..503N, arXiv:astro-ph/0112477, doi:10.1086/340570. 
  5. ^ Holmberg, J.; 等, The Geneva-Copenhagen survey of the solar neighbourhood. III. Improved distances, ages, and kinematics, Astronomy and Astrophysics, July 2009, 501 (3): 941–947, Bibcode:2009A&A...501..941H, arXiv:0811.3982, doi:10.1051/0004-6361/200811191. 
  6. ^ 6.0 6.1 6.2 6.3 6.4 Bruntt, H.; 等, Accurate fundamental parameters for 23 bright solar-type stars, Monthly Notices of the Royal Astronomical Society, July 2010, 405 (3): 1907–1923, Bibcode:2010MNRAS.405.1907B, arXiv:1002.4268, doi:10.1111/j.1365-2966.2010.16575.x 
  7. ^ Vican, Laura, Age Determination for 346 Nearby Stars in the Herschel DEBRIS Survey, The Astronomical Journal, June 2012, 143 (6): 135, Bibcode:2012AJ....143..135V, arXiv:1203.1966, doi:10.1088/0004-6256/143/6/135. 
  8. ^ * gam Ser. SIMBAD. 斯特拉斯堡天文資料中心. [2007-01-23]. 

外部链接编辑