Tags: Star.
Epsilon1 Arae (ε1 Ara ε1 Arae) is the Bayer designation for a star in the constellation Ara the Altar. It is visible to the naked eye with an apparent visual magnitude of +4.1 Based upon an annual parallax shift of 9.04 mas this star is around 360 light-years (110 parsecs) distant from the Earth.ε1 Arae is an evolved giant star with a stellar classification of K3 III. It is around 74% more massive than the Sun.
