罗斯695,又称Gliese 465,是一颗位于乌鸦座红矮星。视星等为11.27,肉眼无法看到它。一颗小恒星,它的质量和半径约为太阳的23%,但光度仅为太阳的0.7% [2]。对其径向速度的调查未能找到行星伴星的任何证据[3]

Ross 695
观测资料
历元 J2000.0 (ICRS)
星座 乌鸦座
星官
赤经 12h 24m 52.50278 s[1]
赤纬 -18° 14′ 32.2435″[1]
视星等(V) 11.272
特性
光谱分类M2.5
天体测定
自行 (μ) 赤经:1095.66 ± 2.14[1] mas/yr
赤纬:-2308.56 ± 1.38[1] mas/yr
视差 (π)112.98 ± 2.51[1] mas
距离28.9 ± 0.6 ly
(8.9 ± 0.2 pc)
详细资料
质量0.23[2] M
半径0.24[2] R
亮度0.007[2] L
温度3403 ± 69[2] K
金属量 [Fe/H]−0.33 ± 0.09[2] dex
其他命名
LHS 45, Ross 695, Gliese 465, HIP 60559
参考数据库
SIMBAD资料

参考资料

  1. ^ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. Validation of the new Hipparcos reduction. Astronomy and Astrophysics. November 2007, 474 (2): 653–664. Bibcode:2007A&A...474..653V. S2CID 18759600. arXiv:0708.1752 . doi:10.1051/0004-6361:20078357. 
  2. ^ 2.0 2.1 2.2 2.3 2.4 2.5 Maldonado, J.; Affer, L.; Micela, G.; Scandariato, G.; Damasso, M.; Stelzer, B.; Barbieri, M.; Bedin, L. R.; Biazzo, K.; Bignamini, A.; Borsa, F.; Claudi, R. U.; Covino, E.; Desidera, S.; Esposito, M.; Gratton, R.; González Hernández, J. I.; Lanza, A. F.; Maggio, A.; Molinari, E.; Pagano, I.; Perger, M.; Pillitteri, I.; Piotto, G.; Poretti, E.; Prisinzano, L.; Rebolo, Rafael; Ribas, Ignasi; Shkolnik, E.; Southworth, J.; Sozzetti, A.; Suárez Mascareño, A. Stellar parameters of early-M dwarfs from ratios of spectral features at optical wavelengths. Astronomy & Astrophysics. 2015, 577: 13. Bibcode:2015A&A...577A.132M. S2CID 53582613. arXiv:1503.03010 . doi:10.1051/0004-6361/201525797. A132. 
  3. ^ Bonfils, Xavier; Delfosse, Xavier; Udry, Stéphane; Forveille, Thierry; Mayor, Michel; Perrier, Christian; Bouchy, François; Gillon, Michaël; Lovis, Christophe; Pepe, Francesco; Queloz, Didier; Santos, Nuno C.; Ségransan, Damien; Bertaux, Jean-Loup. The HARPS search for southern extra-solar planets XXXI. The M-dwarf sample. Astronomy and Astrophysics. 2011, 549: A109. Bibcode:2013A&A...549A.109B. S2CID 119288366. arXiv:1111.5019 . doi:10.1051/0004-6361/201014704.