打开主菜单

天市左垣二武仙座λ英语:Lambda Herculis)也称,,又名BD+26 3034HD 158899SAO 85163HR 6526,是武仙座的一颗恒星[2],视星等为4.41,位于銀經49.48,銀緯28.44,其B1900.0坐标为赤經17h 26m 41.7s,赤緯+26° 28.44′ 9″。

天市左垣二
觀測資料
曆元 J2000
星座 武仙座
星官
赤經 17h 30m 44.3099s[1]
赤緯 +26° 06′ 38.323″[1]
視星等(V) 4.402[2]
特性
光谱分类K4III[2]
U−B 色指数+1.68[3]
B−V 色指数+1.44[3]
天体测定
徑向速度 (Rv)−26.51[4] km/s
自行 (μ) 赤经:+18.39[1] mas/yr
赤纬:+16.78[1] mas/yr
视差 (π)8.88 ± 0.64[1] mas
距离370 ± 30 ly
(113 ± 8 pc)
绝对星等 (MV)−0.86[5]
詳細資料
表面重力 (log g)1.89[6]
亮度465[5] L
溫度4,070[6] K
金属量 [Fe/H]−0.04[6] dex
自轉速度 (v sin i)8[7] km/s
其他命名
λ Her76 HerBD+26° 3034FK5 1460、HD 158899、HIP 85693、HR 6526、SAO 249461[2]
參考資料庫
SIMBAD data

参考文献编辑

  1. ^ 1.0 1.1 1.2 1.3 1.4 Perryman, M. A. C.; 等, The Hipparcos Catalogue, Astronomy & Astrophysics, 1997, 323: L49–L52, Bibcode:1997A&A...323L..49P 
  2. ^ 2.0 2.1 2.2 2.3 lam Her -- Variable Star. SIMBAD. Centre de Données astronomiques de Strasbourg. [2010-07-03]. 
  3. ^ 3.0 3.1 Johnson, H. L.; Iriarte, B.; Mitchell, R. I.; Wisniewskj, W. Z. UBVRIJKL photometry of the bright stars. Communications of the Lunar and Planetary Laboratory. 1966, 4 (99): 99. Bibcode:1966CoLPL...4...99J. 
  4. ^ Famaey, B.; Jorissen, A.; Luri, X.; Mayor, M.; Udry, S.; Dejonghe, H.; Turon, C. Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters. Astronomy and Astrophysics. January 2005, 430: 165–186. Bibcode:2005A&A...430..165F. arXiv:astro-ph/0409579. doi:10.1051/0004-6361:20041272. 
  5. ^ 5.0 5.1 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. 
  6. ^ 6.0 6.1 6.2 McWilliam, Andrew. High-resolution spectroscopic survey of 671 GK giants. I - Stellar atmosphere parameters and abundances. Astrophysical Journal Supplement Series. December 1990, 74: 1075–1128. Bibcode:1990ApJS...74.1075M. doi:10.1086/191527. 
  7. ^ Bernacca, P. L.; Perinotto, M. A catalogue of stellar rotational velocities. Contributi Osservatorio Astronomico di Padova in Asiago. 1970, 239 (1). Bibcode:1970CoAsi.239....1B.