格利泽555

**GJ 555**
	; 格利泽555的光變曲線
觀測資料; 曆元 J2000.0
星座	天秤座
星官
赤經	14h 34m 16.81183s
赤緯	-12° 31′ 10.3965″
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：−355.138±0.053 mas/yr ; 赤纬：593.040±0.043 mas/yr
视差 (π)	159.9225 ± 0.0546 mas
距离	20.395 ± 0.007 ly ; (6.253 ± 0.002 pc)
其他命名
	HN Lib、BD−11 3759、GJ 555、HIP 71253、Ci 20 870、LFT 1120、LHS 2945、LPM 532、LTT 5759、NLTT 37751、PLX 3296、PM 14316-1219、Wolf 1481、TYC 5572-804-1、GSC 05572-00804、2MASS J14341683-1231106
參考資料庫
SIMBAD	资料
	Gliese 555 格利泽555在天秤座的位置;

天球赤道座標： 14^h 34^m 16.81183^s，−12° 31′ 10.3965″

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]

行星系統[编辑]

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]

格利泽555的行星系
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[编辑]

^ 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）.

[Weis-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）.

[van_Leeuwen2007-2] 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）.

[GaiaEDR3-3] 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.

[SD-4] Schönfeld, Eduard; et al. BD -11 3759. Southern Durchmusterung. 1886 [2023-03-22]. （原始内容存档于2016-03-04）.

[Gliese1991-5] 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）.

[Perryman1997-6] Perryman; et al. HIP 71253. The Hipparcos and Tycho Catalogues. 1997 [2023-03-22]. （原始内容存档于2020-09-29）.

[Porter1930-7] 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）

[Luyten1979_LHS-8] Luyten, Willem Jacob. LHS 2945. LHS Catalogue, 2nd Edition. 1979 [2023-03-22]. （原始内容存档于2016-03-04）.

[Luyten1979_NLTT-9] Luyten, Willem Jacob. NLTT 37751. NLTT Catalogue. 1979 [2023-03-22]. （原始内容存档于2016-03-04）.

[van_Altena1995-10] 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）.

[Wolf1925-11] 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）

[Perryman1997_tyc-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）.

[Hog2000-13] 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）.

[Jao2005-14] 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）.

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