列肆二
外观
(重定向自蛇夫座λ)
观测资料 历元 J2000 | |
---|---|
星座 | 蛇夫座 |
星官 | 天市垣 列肆 |
赤经 | 16h 30m 54.8229s[1] |
赤纬 | +01° 59′ 02.123″[1] |
视星等(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 | |
径向速度 (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) |
详细资料 | |
自转速度 (v sin i) | 138[5] km/s |
其他命名 | |
蛇夫座λ,中文星官名列肆二,是一个位于蛇夫座的联星系统[6]。
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Marfik或Marsik。
参考资料
[编辑]- ^ 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.
- ^ 2.0 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).
- ^ 3.0 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.
- ^ 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.
- ^ 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.
- ^ 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.