Psi7 Aurigae

Psi7 Aurigae, Latinized from ψ7 Aurigae, is a star in the northern constellation of Auriga. It is a dim, naked eye star with an apparent visual magnitude of 5.02. Based upon Gaia Data Release 2 parallax values, it is approximately from Earth.
ψ7 Aurigae is a giant star with a stellar classification of K3 III. The measured angular diameter of this star, after correction for limb darkening, is . At its estimated distance, this yields a physical size of about 24 times the radius of the Sun. The outer envelope has an effective temperature of 4,300, giving it an orange colour and a classification as a K-type star. Although cooler than the sun, its larger size means that it is more luminous, emitting in total 217 times as much electromagnetic radiation.
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