Tags: Star.
Gliese 22 also catalogued V547 Cassiopeiae is a hierarchical star system approximately 33 light-years away in the constellation of Cassiopeia. The system consists of two red dwarf stars Gliese 22A and Gliese 22B in an outer orbit of about 320 years and a brown dwarf Gliese 22C which orbits Gliese 22A in about 16 years. As of 2008 it was announced that a possible extrasolar planet Gliese 22B b or brown dwarf orbits Gliese 22B but this is currently unconfirmed.