Acamar
Acamar, Theta Eridani (θ Eri), is a binary star system consisting of two white class A stars located in the constellation Eridanus. The system has… Read More »Acamar
Subgiant Stars
Rho Ophiuchi
Rho Ophiuchi (ρ Oph) is a multiple star system located at an approximate distance of 360 light years from Earth in the constellation Ophiuchus. The… Read More »Rho Ophiuchi
Sabik
Sabik, Eta Ophiuchi (η Oph), is a binary star system composed of two white subgiant stars located in the constellation Ophiuchus. With a combined apparent… Read More »Sabik
Ruchbah
Ruchbah, Delta Cassiopeiae (δ Cas) is an eclipsing binary star system located in the constellation Cassiopeia. With an apparent magnitude of 2.68, it is the… Read More »Ruchbah
Alhena
Alhena, Gamma Geminorum (γ Gem), is a spectroscopic binary star system located in the northern constellation Gemini. With an apparent magnitude of 1.915, it is… Read More »Alhena
Rasalhague
Rasalhague, Alpha Ophiuchi (α Oph), is a binary star system located in the constellation Ophiuchus. It marks the head of the celestial Serpent Bearer. With… Read More »Rasalhague
Algol
Algol, Beta Persei (β Per) is a triple star system located in the constellation Perseus. Commonly known as the Demon Star, it is one of… Read More »Algol