Stars by Flamsteed Designation Codexery

12 Comae Berenices

Brightest member of the Coma Star Cluster, a binary system.

12 Comae Berenices is a binary star in the northern constellation Coma Berenices. As the brightest star in the Coma Star Cluster, it is visible without a telescope at magnitude 4.80. The system pairs an evolved G-type giant with a smaller, hotter A-type star, though the companion may also be leaving the main sequence.

Quick Facts

Apparent visual magnitude
4.80
Orbital period
396.5 days
Orbital eccentricity
0.566
Primary effective temperature
5,300 K
Secondary effective temperature
8,500 K

Facts from the source article.

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