Spectroscopic Binary Stars

Spica

  • by
alpha virginis, spica star

Spica, Alpha Virginis (α Vir), is a blue-white spectroscopic binary star located at a distance of 250 light years from Earth in the constellation Virgo.… Read More »Spica

Mimosa

  • by
becrux,beta crucis

Mimosa, Beta Crucis (β Cru), is a multiple star system located in the constellation Crux.  With an apparent magnitude of 1.25, it is the second… Read More »Mimosa

Acrux

  • by
alpha crucis

Acrux, Alpha Crucis (α Cru), is a multiple star system located in the constellation Crux. It is the brightest of the stars that form the… Read More »Acrux

Rigel

  • by
beta orionis

Rigel, Beta Orionis (β Ori), is a blue-white supergiant star located in the constellation Orion, the Hunter. With an apparent magnitude of 0.13, it is… Read More »Rigel

Castor

  • by
alpha geminorum

Castor, Alpha Geminorum (α Gem), is a sextuple star system located in the constellation Gemini. It is composed of three binary pairs designated Castor A,… Read More »Castor

Dubhe

  • by
alpha ursae majoris

Dubhe, Alpha Ursae Majoris (α UMa) is a spectroscopic binary star with an apparent magnitude of 1.79, located at an approximate distance of 123 light… Read More »Dubhe