羽林軍三

羽林軍三（寶瓶座41，41 Aquarii，縮寫為41 Aqr）是在天球赤道上的星座，寶瓶座內的雙星^[3]，英譯名稱寶瓶座41是依據佛氏命名法而來的。它的視星等為5.354等^[2]，與地球的距離大約是230光年（71秒差距）。較亮的一顆是紅群聚^[7]的巨星，光譜類型為K0III，星等為5.73。在角距離5.148角秒處，較暗的一顆是F型主序星，星等為7.16等，光譜類型為F8V^[3]。

參考資料

^ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 van Leeuwen, F., Validation of the new Hipparcos reduction, Astronomy and Astrophysics, November 2007, 474 (2): 653–664, Bibcode:2007A&A...474..653V, arXiv:0708.1752 , doi:10.1051/0004-6361:20078357.
^ ^2.0 ^2.1 ^2.2 ^2.3 Rakos, K. D.; et al, Photometric and astrometric observations of close visual binaries, Astronomy and Astrophysics Supplement Series, February 1982, 47: 221–235, Bibcode:1982A&AS...47..221R.
^ ^3.0 ^3.1 ^3.2 Eggleton, P. P.; Tokovinin, A. A., A catalogue of multiplicity among bright stellar systems, Monthly Notices of the Royal Astronomical Society, September 2008, 389 (2): 869–879, Bibcode:2008MNRAS.389..869E, arXiv:0806.2878 , doi:10.1111/j.1365-2966.2008.13596.x.
^ Wilson, Ralph Elmer, General Catalogue of Stellar Radial Velocities, Washington: Carnegie Institution of Washington, 1953, Bibcode:1953GCRV..C......0W.
^ ^5.0 ^5.1 ^5.2 McWilliam, Andrew, High-resolution spectroscopic survey of 671 GK giants, Astrophysical Journal Supplement Series, December 1990, 74: 1075–1128, Bibcode:1990ApJS...74.1075M, doi:10.1086/191527.
^ 41 Aqr -- Star in double system, SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg), [2012-02-23], （原始内容存档于2020-09-15）.
^ Alves, David R., K-Band Calibration of the Red Clump Luminosity, The Astrophysical Journal, August 2000, 539 (2): 732–741, Bibcode:2000ApJ...539..732A, arXiv:astro-ph/0003329 , doi:10.1086/309278.

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