座旗三 是一颗位于北天星座御夫座 的恒星。虽然是暗星,可是裸眼依稀可见,视星等 为+5.02[ 2] 。恒星 的年视差 为10.08 ± 0.33 mas[ 1] 。座旗三距离地球 大约324光年 (99秒差距 ),为K型巨星 ,恒星分类为K5 III[ 3] 。
^ 1.0 1.1 1.2 1.3 van Leeuwen, Floor, Validation of the new Hipparcos reduction, Astronomy and Astrophysics, November 2007, 474 (2): 653–664, Bibcode:2007A&A...474..653V , arXiv:0708.1752v1 , doi:10.1051/0004-6361:20078357 . Note: see VizieR catalogue I/311 Archive.is 的存檔 ,存档日期2012-12-05.
^ 2.0 2.1 Johnson, H. L.; et al, UBVRIJKL photometry of the bright stars, Communications of the Lunar and Planetary Laboratory, 1966, 4 (99), Bibcode:1966CoLPL...4...99J
^ 3.0 3.1 Roman, Nancy G., The Spectra of the Bright Stars of Types F5-K5, Astrophysical Journal, July 1952, 116 : 122, Bibcode:1952ApJ...116..122R , doi:10.1086/145598 .
^ 50 Aur -- Star in double system , SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg), [2012-08-24 ] , (原始内容存档 于2021-07-30).