格利泽555

格利泽555 (天秤座 HN) 是一颗位于天秤座光谱类型为M4.0V的红矮星,距离地球20.4光年。[14]

GJ 555

格利泽555的光变曲线[1]
观测资料
历元 J2000.0
星座 天秤座
星官
赤经 14h 34m 16.81183s[2]
赤纬 -12° 31′ 10.3965″[2]
视星等(V) 11.317
特性
光谱分类M4.0V
变星类型天龙座BY型变星
天体测定
径向速度 (Rv)-1.45 ± 0.1 km/s
自行 (μ) 赤经:−355.138±0.053[3] mas/yr
赤纬:593.040±0.043[3] mas/yr
视差 (π)159.9225 ± 0.0546[3] mas
距离20.395 ± 0.007 ly
(6.253 ± 0.002 pc)
其他命名
HN Lib、​BD−11 3759[4]、​GJ 555[5]、​HIP 71253[6]、​Ci 20 870[7]、​LFT 1120、​LHS 2945[8]、​LPM 532、​LTT 5759、​NLTT 37751[9]、​PLX 3296[10]、​PM 14316-1219、​Wolf 1481[11]、​TYC 5572-804-1[12][13]、​GSC 05572-00804、​2MASS J14341683-1231106
参考数据库
SIMBAD资料
Gliese 555 is located in the constellation Libra
Gliese 555 is located in the constellation Libra
Gliese 555
格利泽555在天秤座的位置

行星系统

2019年,在围绕M型矮星的118颗行星中,通过径向速度探测到一颗行星。[15]

格利泽555的行星系
成员
(依恒星距离)
质量 半长轴
(AU)
轨道周期
()
离心率 倾角 半径
b 30.1 +16.3
−14.6
 M
0.727 +0.061
−0.075
449.6 +6.8
−5.9
0.04 +0.27
−0.04

参考

  1. ^ Weis, Edward W. Long Term Variability in Dwarf M Stars. The Astronomical Journal. March 1994, 107: 1135–1140 [20 January 2022]. Bibcode:1994AJ....107.1135W. doi:10.1086/116925. (原始内容存档于2022-03-01). 
  2. ^ 2.0 2.1 van Leeuwen F. HIP 71253. Validation of the new Hipparcos reduction. 2007 [2023-03-22]. (原始内容存档于2016-03-04). 
  3. ^ 3.0 3.1 3.2 Brown, A. G. A.; et al. Gaia Early Data Release 3: Summary of the contents and survey properties. Astronomy & Astrophysics. 2021, 649: A1. Bibcode:2021A&A...649A...1G. S2CID 227254300. arXiv:2012.01533 . doi:10.1051/0004-6361/202039657 .  已忽略未知参数|collaboration= (帮助) (勘误: doi:10.1051/0004-6361/202039657e). Gaia EDR3 record for this source at VizieR.
  4. ^ Schönfeld, Eduard; et al. BD -11 3759. Southern Durchmusterung. 1886 [2023-03-22]. (原始内容存档于2016-03-04). 
  5. ^ Gliese, W.; Jahreiß, H. Gl 555. Preliminary Version of the Third Catalogue of Nearby Stars. 1991 [2023-03-22]. (原始内容存档于2016-03-04). 
  6. ^ Perryman; et al. HIP 71253. The Hipparcos and Tycho Catalogues. 1997 [2023-03-22]. (原始内容存档于2020-09-29). 
  7. ^ Porter, J. G.; Yowell, E. J.; Smith, E. S. A catalogue of 1474 stars with proper motion exceeding four-tenths year.. Publications of the Cincinnati Observatory. 1930, 20: 1–32. Bibcode:1930PCinO..20....1P.  Page 20 (Ci 20 870).页面存档备份,存于互联网档案馆
  8. ^ Luyten, Willem Jacob. LHS 2945. LHS Catalogue, 2nd Edition. 1979 [2023-03-22]. (原始内容存档于2016-03-04). 
  9. ^ Luyten, Willem Jacob. NLTT 37751. NLTT Catalogue. 1979 [2023-03-22]. (原始内容存档于2016-03-04). 
  10. ^ Van Altena W. F.; Lee J. T.; Hoffleit E. D. GCTP 3296. The General Catalogue of Trigonometric Stellar Parallaxes Fourth. 1995 [2023-03-22]. (原始内容存档于2016-03-04). 
  11. ^ Wolf, M. Einige bewegte Sterne in Virgo und Libra. Astronomische Nachrichten. 1925, 225 (12): 215–216. Bibcode:1925AN....225R.215W. doi:10.1002/asna.19252251205.  Page 215/216 (Wolf 1481)页面存档备份,存于互联网档案馆
  12. ^ Perryman; et al. HIP 71253. The Hipparcos and Tycho Catalogues. 1997 [2023-03-22]. (原始内容存档于2016-03-04). 
  13. ^ Hog; et al. TYC 5572-804-1. The Tycho-2 Catalogue. 2000 [2023-03-22]. (原始内容存档于2016-03-04). 
  14. ^ Jao, Wei-Chun; Henry, Todd J.; Subasavage, John P.; Brown, Misty A.; Ianna, Philip A.; Bartlett, Jennifer L.; Costa, Edgardo; Méndez, René A. The Solar Neighborhood. XIII. Parallax Results from the CTIOPI 0.9 Meter Program: Stars with mu >= 1.0" yr-1 (MOTION Sample). The Astronomical Journal. 2005, 129 (4): 1954–1967. Bibcode:2005AJ....129.1954J. S2CID 16164903. arXiv:astro-ph/0502167 . doi:10.1086/428489. 
  15. ^ Barnes, J. R.; Kiraga, M.; Diaz, M.; Berdiñas, Z.; Jenkins, J. S.; Keiser, S.; Thompson, I.; Crane, J. D.; Shectman, S. A. Frequency of planets orbiting M dwarfs in the Solar neighbourhood. 2019-06-11. arXiv:1906.04644v1  [astro-ph.EP] (英语).