XI Andromedae (Paperback)

High Quality Content by WIKIPEDIA articles! Xi Andromedae is a binary star in the constellation Andromeda. It has the traditional name Adhil, from the Arabic ao-oayl "the train." Xi Andromedae is a spectroscopic binary which is classified as an orange K-type giant with an apparent magnitude of +4.875. The two stars are approximately 196 light years from the Earth, (parallax of 16.68 mas) and have an orbital period of 17.77 days. Flamsteed did not designate this star Bayer Cha. as number 46th of Andromeda in his star catalogue and atlas. He erroneously designated " " for his 49th of Andromeda (Bayer's "A" And).