格利澤486

格利澤486，又稱為Wolf 437，是一顆位於處女座的紅矮星。表面溫度約3340K。格利澤486的重元素濃度與太陽相似，金屬豐度Fe/H 指數約為0.07。它被懷疑是一顆耀星，儘管在2019年沒有發現任何耀斑。這顆恆星的化學構成並不顯著，與太陽豐度或金屬含量略微一致。 這顆恆星在色球層中有一個不起眼的磁場，約為1.6千高斯。它自轉非常緩慢，很可能非常古老，在運動學上屬於古老的銀河系薄盤。 截至2020年，未發現存在任何恆星伴星。 2021年，在緊密的圓形軌道上發現了一顆名為格利澤486 b的行星。它代表了一類罕見的岩石系外行星。截至2022年，沒有檢測到以氫氣或蒸汽為主的大氣層，儘管具有較高分子量的二級行星大氣層仍有可能。 2022年8月，這個行星系統被列入第三個IAU100太阳系外世界命名活动項目命名的20個系統中。 Wolf 437. SIMBAD. 斯特拉斯堡天文資料中心.  Bozhinova, I.; Helling, Ch.; Scholz, A., Planetary host stars: Evaluating uncertainties in cool model atmospheres, Monthly Notices of the Royal Astronomical Society, 2014, 450: 160–182, Bibcode:2015MNRAS.450..160B, arXiv:1405.5416 , doi:10.1093/mnras/stv613  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. Trifonov, T.; et al, A nearby transiting rocky exoplanet that is suitable for atmospheric investigation, Science, 2021, 371 (6533): 1038–1041, Bibcode:2021Sci...371.1038T, PMID 33674491, S2CID 232124642, arXiv:2103.04950 , doi:10.1126/science.abd7645  Caballero, J. A.; et al, A detailed analysis of the Gl 486 planetary system, Astronomy & Astrophysics, 2022, 665: A120, Bibcode:2022A&A...665A.120C, S2CID 249889232, arXiv:2206.09990 , doi:10.1051/0004-6361/202243548  Moutou, Claire; Hébrard, Élodie M.; Morin, Julien; Malo, Lison; Fouqué, Pascal; Torres-Rivas, Andoni; Martioli, Eder; Delfosse, Xavier; Artigau, Étienne; Doyon, René, SPIRou input catalogue: Activity, rotation and magnetic field of cool dwarfs, Monthly Notices of the Royal Astronomical Society, 2017, 472 (4): 4563–4586, Bibcode:2017MNRAS.472.4563M, arXiv:1709.01650 , doi:10.1093/mnras/stx2306  O'Donoghue, D.; Koen, C.; Kilkenny, D.; Stobie, R. S.; Koester, D.; Bessell, M. S.; Hambly, N.; MacGillivray, H., The DA+d Me eclipsing binary EC13471-1258: its cup runneth over ... Just, Monthly Notices of the Royal Astronomical Society, 2003, 345 (2): 506–528, Bibcode:2003MNRAS.345..506O, S2CID 17408072, arXiv:astro-ph/0307144 , doi:10.1046/j.1365-8711.2003.06973.x  Vida, Krisztián; Leitzinger, Martin; Kriskovics, Levente; Seli, Bálint; Odert, Petra; Kovács, Orsolya Eszter; Korhonen, Heidi; Van Driel-Gesztelyi, Lidia, The quest for stellar coronal mass ejections in late-type stars, Astronomy & Astrophysics, 2019, 623: A49, S2CID 119095055, arXiv:1901.04229 , doi:10.1051/0004-6361/201834264  Browning, Matthew K.; Basri, Gibor; Marcy, Geoffrey W.; West, Andrew A.; Zhang, Jiahao, Rotation and Magnetic Activity in a Sample of M-Dwarfs, The Astronomical Journal, 2010, 139 (2): 504, Bibcode:2010AJ....139..504B, S2CID 121835145, doi:10.1088/0004-6256/139/2/504  Lamman, Claire; Baranec, Christoph; Berta-Thompson, Zachory K.; Law, Nicholas M.; Schonhut-Stasik, Jessica; Ziegler, Carl; Salama, Maïssa; Jensen-Clem, Rebecca; Duev, Dmitry A.; Riddle, Reed; Kulkarni, Shrinivas R.; Winters, Jennifer G.; Irwin, Jonathan M., Robo-AO M-dwarf Multiplicity Survey: Catalog, The Astronomical Journal, 2020, 159 (4): 139, Bibcode:2020AJ....159..139L, S2CID 210718832, arXiv:2001.05988 , doi:10.3847/1538-3881/ab6ef1  Hot Super-Earth Discovered 26 Light-Years Away. [2023-04-11]. （原始内容存档于2021-12-09）.  Newfound exoplanet could be 'Rosetta Stone' for studies of alien atmospheres. [2023-04-11]. （原始内容存档于2023-03-30）.  Ridden-Harper, Andrew; Nugroho, Stevanus; Flagg, Laura; Jayawardhana, Ray; Turner, Jake D.; Ernst de Mooij; MacDonald, Ryan; Deibert, Emily; Tamura, Motohide; Kotani, Takayuki; Hirano, Teruyuki; Kuzuhara, Masayuki; Omiya, Masashi; Kusakabe, Nobuhiko, High-Resolution Transmission Spectroscopy of the Terrestrial Exoplanet GJ 486b, 2022, arXiv:2212.11816   List of ExoWorlds 2022. nameexoworlds.iau.org. IAU. 8 August 2022 [27 August 2022]. （原始内容存档于2023-03-08）.