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Beta Muscae

Blue main sequence star in Musca

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Proper Name	None
Bayer Designation	Beta Muscae
Flamsteed Number	None
HR (BSC)	4844
HD	110879
Constellation	Musca
Right Ascension	12h 46m 17s (A) 12h 46m 17s (B)
Declination	-68° 6' 29" (A) -68° 6' 28" (B)
Distance	342 light years 105 parsecs
Magnitude	Apparent: +3.55 (A), +4.00 (B) Absolute: -1.55 (A), -1.10 (B)
Spectral Class	B2V blue main sequence star (A) B3V blue main sequence star (B)
Optimum Visibility	April (Usually visible from southern latitudes)

Beta Muscae is a close binary consisting of two similar blue main sequence stars. The two components lie only a little over one arcsecond apart in the sky (or one 3,600th of a degree), and are not apparent as separate stars in this image. Imagery provided by Aladin sky atlas

Beta Muscae not only appears to be close to its slightly brighter companion Alpha Muscae, but is in fact just a few light years away. Beta Muscae is a blue binary star.

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