格利泽555
格利泽555 (天秤座 HN) 是一顆位於天秤座光譜類型為M4.0V的紅矮星,距離地球20.4光年。[14]
觀測資料 曆元 J2000.0 | |
---|---|
星座 | 天秤座 |
星官 | |
赤經 | 14h 34m 16.81183s[2] |
赤緯 | -12° 31′ 10.3965″[2] |
視星等(V) | 11.317 |
特性 | |
光谱分类 | M4.0V |
变星类型 | 天龍座BY型變星 |
天体测定 | |
徑向速度 (Rv) | -1.45 ± 0.1 km/s |
自行 (μ) | 赤经:±0.053 −355.138[3] mas/yr 赤纬:±0.043 593.040[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 | |
參考資料庫 | |
SIMBAD | 资料 |
行星系統
2019年,在圍繞M型矮星的118顆行星中,通過徑向速度探測到一顆行星。[15]
成員 (依恆星距離) |
质量 | 半長軸 (AU) |
轨道周期 (天) |
離心率 | 傾角 | 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 |
— | — |
參考
- ^ 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).
- ^ 2.0 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).
- ^ 3.0 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. - ^ Schönfeld, Eduard; et al. BD -11 3759. Southern Durchmusterung. 1886 [2023-03-22]. (原始内容存档于2016-03-04).
- ^ 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).
- ^ Perryman; et al. HIP 71253. The Hipparcos and Tycho Catalogues. 1997 [2023-03-22]. (原始内容存档于2020-09-29).
- ^ 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)
- ^ Luyten, Willem Jacob. LHS 2945. LHS Catalogue, 2nd Edition. 1979 [2023-03-22]. (原始内容存档于2016-03-04).
- ^ Luyten, Willem Jacob. NLTT 37751. NLTT Catalogue. 1979 [2023-03-22]. (原始内容存档于2016-03-04).
- ^ 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).
- ^ 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)
- ^ Perryman; et al. HIP 71253. The Hipparcos and Tycho Catalogues. 1997 [2023-03-22]. (原始内容存档于2016-03-04).
- ^ 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).
- ^ 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.
- ^ 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).