蛇夫座λ,中文星官名列肆二,是一个位于蛇夫座联星系统[6]

蛇夫座λ(列肆二)
Lambda Ophiuchi
觀測資料
曆元 J2000
星座 蛇夫座
星官 天市垣 列肆
赤經 16h 30m 54.8229s[1]
赤緯 +01° 59′ 02.123″[1]
視星等(V) 3.82[2]
特性
光谱分类A0V+[2]
U−B 色指数+0.01[3]
B−V 色指数+0.01[3]
天体测定
徑向速度 (Rv)–13.5[4] km/s
自行 (μ) 赤经:–31.37 mas/yr
赤纬:–73.00 mas/yr
视差 (π)19.63 ± 1.34[1] mas
距离170 ± 10 ly
(51 ± 3 pc)
詳細資料
自轉速度 (v sin i)138[5] km/s
其他命名
lam Oph, 10 Oph, HR 6149, BD+02 3118, HD 148857, SAO 121658, HIP 80883.[2]

蛇夫座λ的恒星光谱分型为A1V+A型,视星等3.82,距离地球166光年

蛇夫座λ在中国星官系统中属于天市垣列肆,指的是“宝玉或珍珠贵物品市场”,它是列肆第二星,因此称为列肆二。它的西方名字为MarfikMarsik

参考资料

  1. ^ 1.0 1.1 1.2 Perryman, M. A. C.; et al.. The HIPPARCOS Catalogue. Astronomy & Astrophysics. April 1997, 323: L49–L52. Bibcode:1997A&A...323L..49P. 
  2. ^ 2.0 2.1 2.2 lam Oph -- Variable Star. SIMBAD. Centre de Données astronomiques de Strasbourg. [2010-06-08]. (原始内容存档于2017-12-01). 
  3. ^ 3.0 3.1 Johnson, H. L.; et al.. UBVRIJKL photometry of the bright stars. Communications of the Lunar and Planetary Laboratory. 1966, 4 (99). Bibcode:1966CoLPL...4...99J. 
  4. ^ Evans, D. S. The Revision of the General Catalogue of Radial Velocities. Batten, Alan Henry; Heard, John Frederick (编). Determination of Radial Velocities and their Applications, Proceedings from IAU Symposium no. 30. University of Toronto: International Astronomical Union. June 20–24, 1966. Bibcode:1967IAUS...30...57E. 
  5. ^ Royer, F.; Zorec, J.; Gómez, A. E. Rotational velocities of A-type stars. III. Velocity distributions. Astronomy and Astrophysics. February 2007, 463 (2): 671–682. Bibcode:2007A&A...463..671R. arXiv:astro-ph/0610785 . doi:10.1051/0004-6361:20065224. 
  6. ^ Lastennet, E.; Fernandes, J.; Lejeune, Th. A revised HRD for individual components of binary systems from BaSeL BVRI synthetic photometry. Influence of interstellar extinction and stellar rotation. Astronomy and Astrophysics. June 2002, 388: 309–319. Bibcode:2002A&A...388..309L. arXiv:astro-ph/0203341 . doi:10.1051/0004-6361:20020439.