Sigma Leonis (77 Leo, HR 4386, BD+06 2437, HD 98664, SAO 118804 and HIP 55434) is a magnitude +4.04 blue-white type B9.5Vs star located 210 ±10 light-years away in the constellation Leo.
Right Ascension 11h 21m 08.2s, Declination+06° 01' 45"
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