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Proper NameNone
Bayer DesignationEpsilon Monocerotis
Flamsteed Number8 Monocerotis
HR (BSC)2298 (A), 2299 (B)
HD44769 (A), 44770 (B)
Right Ascension6h 23m 46s (A), 6h 23m 46s (B)
Declination+4° 35' 34" (A), +4° 35' 45" (B)
Distance134 light years
41 parsecs
MagnitudeApparent: +4.4 (A), +6.6 (B)
Absolute: +1.5 (A), +3.7 (B)
Spectral ClassA5IV white subgiant (A)
F5V bright yellow dwarf (B)
Optimum VisibilityJanuary
NotesEastward and a little southward from Betelgeuse in Orion, this fourth-magnitude star is a useful guide for finding the Rosette Nebula, which lies just two degrees to its east. A binary system, the primary star Epsilon Monocerotis A is a white subgiant, while its companion Epsilon Monocerotis B is an bright yellow F-type dwarf.

Imagery provided by Aladin sky atlas


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