About the StarChara, Beta CVn, is the second brightest star in Canes Venatici. It is a G-type main sequence dwarf approximately 27.4 light years from Earth. The name Chara, which was originally used for the southern dog, means "joy" in Greek. The star has an apparent magnitude of 4.26. It is similar to the Sun in terms of age, mass and stage of evolution, and it has been called a solar analogue or solar twin.Canes Venatici MythIn the Middle Ages, Canes Venatici was identified with the two dogs held on a leash by Boötes, the Herdsman, because there was a mistake in the translation of Ptolemy's Almagest from Greek to Arabic.
In Ptolemy's text, some of the stars in Boötes represent the Herdsman's club. The translator loosely translated the Greek word for "club" (Κολλοροβος ) as "the spearshaft with a hook" ("al-`aşā dhāt al-kullāb"). When the Arabic phrase he used was later translated to Latin, the translator mistook one of the words for kilāb, which means "dogs."
Boötes was depicted with two dogs in 1533 on a map by the German astronomer Peter Apian, and Hevelius decided to define the dogs' position in the night sky in the 17th century. Hevelius named the northern dog Asterion ("little star" in Greek) and the southern one Chara ("joy"). The name Chara later started to be used specifically to refer to the star Beta CVn.
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