Alnitak (Zeta Orionis)
Alnitak, Zeta Orionis (ζ Ori), is the primary component in a triple star system with a combined apparent magnitude of 1.77. The blue supergiant star… Read More »Alnitak (Zeta Orionis)
Multiple Star Systems
WR 104 (Pinwheel Star)
WR 104 is a young star system consisting of three exceptionally hot stars, a Wolf-Rayet star and two luminous blue main sequence stars. The system… Read More »WR 104 (Pinwheel Star)
Alula Australis (Xi Ursae Majoris)
Alula Australis, Xi Ursae Majoris (ξ UMa), is a multiple star system located 28.5 light-years away in the constellation Ursa Major (the Great Bear). With… Read More »Alula Australis (Xi Ursae Majoris)
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)
Sirius
Sirius, Alpha Canis Majoris (α CMa), is the brightest star in the night sky and one of the nearest star systems to Earth. The blue-white… Read More »Sirius
Dalim (Alpha Fornacis)
Dalim, Alpha Fornacis A (α For A), is the primary component in a triple star system located 45.66 light-years from the Sun. With a combined… Read More »Dalim (Alpha Fornacis)
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