CoRoT-15 is an

eclipsing binary A binary star is a system of two stars that are gravitationally bound to and in orbit around each other. Binary stars in the night sky that are seen as a single object to the naked eye are often resolved using a telescope as separate stars, in wh ...

star system about away in the constellation

Monoceros Monoceros (Greek: Μονόκερως, "unicorn") is a faint constellation on the celestial equator. Its definition is attributed to the 17th-century Dutch cartographer Petrus Plancius. It is bordered by Orion to the west, Gemini to the north, ...

, discovered by the CoRoT space telescope in 2010. It consists of an F7V star and an orbiting

brown dwarf Brown dwarfs (also called failed stars) are substellar objects that are not massive enough to sustain nuclear fusion of ordinary hydrogen ( 1H) into helium in their cores, unlike a main-sequence star. Instead, they have a mass between the most ...

companion, which was one of the first transiting brown dwarfs to be discovered.

References

{{Stars of Monoceros Monoceros Eclipsing binaries F-type main-sequence stars Brown dwarfs Astronomical objects discovered in 2010 15b J06282781+0611105