格利泽1128

格利泽1128是一顆位於船底座光譜類型為M4.0V的紅矮星，距離地球21.2光年。它是離太陽較近的恆星之一。

GJ 1128
觀測資料
曆元 J2000.0
星座 船底座
星官
赤經 09h 42m 46.3420s[1]
赤緯 -68° 53′ 06.004″[1]
視星等（V） 12.78[2]
特性
光谱分类M4.0V[3]
天体测定
自行 (μ) 赤经：−75.523[1] mas/yr
赤纬：1128.513[1] mas/yr
视差 (π)153.7593 ± 0.0249[4] mas
距离21.212 ± 0.003 ly
(6.504 ± 0.001 pc)
绝对星等 (MV)13.715[2]
詳細資料
質量0.175[5] M☉
半徑0.190[2] R☉
表面重力 (log g)5.03[6]
亮度0.0043[6] L☉
溫度3144[2] K
金属量 [Fe/H]0.09[2] dex
其他命名
GJ 1128[7]、​L 100-115、​LFT 680、​LHS 271[8]、​LTT 3572、​NLTT 22480[9]、​GSC 09209-00444、​2MASS J09424635-6853060、​DENIS J094246.3-685309
參考資料庫
SIMBAD资料

物理特性

格利泽1128是一個長期變星，5年恆星黑子週期與太陽週期相差不多。[10]

參考
  1. Brown, A. G. A.; Vallenari, A.; Prusti, T.; de Bruijne, J. H. J.; et al. . Astronomy & Astrophysics. 2018. Bibcode:2018A&A...616A...1G. arXiv:1804.09365 可免费查阅. doi:10.1051/0004-6361/201833051. VizieR中此天体在盖亚望远镜第二批数据发布的记录
  2. Houdebine, Éric R.; Mullan, D. J.; Doyle, J. G.; de la Vieuville, Geoffroy; Butler, C. J.; Paletou, F. . The Astronomical Journal. 2019, 158 (2): 56. Bibcode:2019AJ....158...56H. S2CID 159041104. arXiv:1905.07921 可免费查阅. doi:10.3847/1538-3881/ab23fe.
  3. Lurie, John C.; Henry, Todd J.; Jao, Wei-Chun; Quinn, Samuel N.; Winters, Jennifer G.; Ianna, Philip A.; Koerner, David W.; Riedel, Adric R.; Subasavage, John P. . The Astronomical Journal. 2014, 148 (5): 91. Bibcode:2014AJ....148...91L. S2CID 118492541. arXiv:1407.4820 可免费查阅. doi:10.1088/0004-6256/148/5/91.
  4. Brown, A. G. A.; et al. . Astronomy & Astrophysics. 2021, 649: A1. Bibcode:2021A&A...649A...1G. S2CID 227254300. arXiv:2012.01533 可免费查阅. doi:10.1051/0004-6361/202039657 可免费查阅. 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.
  5. Klüter, J.; Bastian, U.; Wambsganss, J. . Astronomy and Astrophysics. 2020, 640: A83. Bibcode:2020A&A...640A..83K. S2CID 207847416. arXiv:1911.02584 可免费查阅. doi:10.1051/0004-6361/201937061.
  6. Stassun, Keivan G.; Oelkers, Ryan J.; Pepper, Joshua; Paegert, Martin; De Lee, Nathan; Torres, Guillermo; Latham, David W.; Charpinet, Stéphane; Dressing, Courtney D.; Huber, Daniel; Kane, Stephen R.; Lépine, Sébastien; Mann, Andrew; Muirhead, Philip S.; Rojas-Ayala, Bárbara; Silvotti, Roberto; Fleming, Scott W.; Levine, Al; Plavchan, Peter; the TESS Target Selection Working Group. . The Astronomical Journal. 2018, 156 (3): 102. Bibcode:2018AJ....156..102S. S2CID 73582386. arXiv:1706.00495 可免费查阅. doi:10.3847/1538-3881/aad050.
  7. Gliese, W.; Jahreiß, H. . Preliminary Version of the Third Catalogue of Nearby Stars. 1991 [2023-03-22]. （原始内容存档于2016-03-04）.
  8. Luyten, Willem Jacob. . LHS Catalogue, 2nd Edition. 1979 [2023-03-22]. （原始内容存档于2016-03-04）.
  9. Luyten, Willem Jacob. . NLTT Catalogue. 1979 [2023-03-22]. （原始内容存档于2016-03-04）.
  10. Henry, Todd J.; Jao, Wei-Chun; Winters, Jennifer G.; Dieterich, Sergio B.; Finch, Charlie T.; Ianna, Philip A.; Riedel, Adric R.; Silverstein, Michele L.; Subasavage, John P.; Vrijmoet, Eliot Halley. . The Astronomical Journal. 2018, 155 (6): 265. Bibcode:2018AJ....155..265H. S2CID 53983430. arXiv:1804.07377 可免费查阅. doi:10.3847/1538-3881/aac262.
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