Subra (Omicron Leonis)
Subra, Omicron Leonis (ο Leo), is a binary star located 133.53 light-years away in the constellation Leo. It has an apparent magnitude of 3.52. It… Read More »Subra (Omicron Leonis)
Spectroscopic Binary Stars
Regulus (Alpha Leonis)
Regulus, Alpha Leonis (α Leo), is the primary component in a multiple-star system located 79.3 light-years away in the constellation Leo. With a combined apparent… Read More »Regulus (Alpha Leonis)
Tania Australis (Mu Ursae Majoris)
Tania Australis, Mu Ursae Majoris (μ UMa), is a red giant star in a spectroscopic binary system located 230 light-years away in the constellation Ursa… Read More »Tania Australis (Mu Ursae Majoris)
Dubhe (Alpha Ursae Majoris)
Dubhe, Alpha Ursae Majoris (α UMa), is the primary component in a multiple star system located at an approximate distance of 123 light years from… Read More »Dubhe (Alpha Ursae Majoris)
Mothallah (Alpha Trianguli)
Mothallah, Alpha Trianguli (α Tri), is a spectroscopic binary star located 63.3 light-years away in the northern constellation Triangulum. With an apparent magnitude of 3.42,… Read More »Mothallah (Alpha Trianguli)
Alpha Tucanae (Lang-Exster)
Lang-Exster, Alpha Tucanae (α Tuc), is an orange giant star located approximately 184 light-years away in the southern constellation Tucana. With an apparent magnitude of… Read More »Alpha Tucanae (Lang-Exster)
Rigel
Rigel, Beta Orionis (β Ori), is a blue-white supergiant star located approximately 848 light-years away in the constellation Orion, the Hunter. With an apparent magnitude of… Read More »Rigel