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Proper NameNone
Bayer DesignationTau Geminorum
Flamsteed Number46 Geminorum
HR (BSC)2697
Right Ascension7h 11m 8s
Declination+30° 14' 43"
Distance392 light years
120 parsecs
MagnitudeApparent: +4.38
Absolute: -0.52
Spectral ClassK2III orange giant
Planets in this systemTau Geminorum b, probable brown dwarf
Optimum VisibilityJanuary
NotesTau Geminorum is a fourth-magnitude orange giant lying westward of Castor in Gemini, as seen from Earth. It has a massive companion object, probably a brown dwarf, with more than twenty times the mass of Jupiter, that orbits the star at a distance of 1.17 Astronomical Units.

Imagery provided by Aladin sky atlas


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