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Gomeisa

Beta Canis Minoris, 3 Canis Minoris

Blue Star in Canis Minor

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Proper Name	Gomeisa
Bayer Designation	Beta Canis Minoris
Flamsteed Number	3 Canis Minoris
HR (BSC)	2845
HD	58715
Constellation	Canis Minor
Right Ascension	7h 27m 9s
Declination	+8° 17' 22"
Distance	162 light years 50 parsecs
Magnitude	Apparent: +2.9 Absolute: -0.6
Spectral Class	B8Ve blue main sequence star
Optimum Visibility	January / February
Notes	A rapidly rotating blue star, Gomeisa is a Be class star, possessing a disc of material extending out from the star itself for some 1.5 times Gomeisa's diameter. Gomeisa is also a pulsating variable star, showing marginal shifts in magnitude several times each day.

This blue variable lies a little over 160 light years from the Earth, in the constellation of Canis Minor, the Lesser Dog.

A view of Gomeisa, the second brightest star in Canis Minor, the Lesser Dog.

Gomeisa lies on the fringe of the Milky Way in the constellation of Canis Minor. Close by, the Sun's near neighbour Procyon can be seen.

The galactic position and direction of Gomeisa relative to Earth's Sun. Note that, at this extreme scale, the two stars are effectively in the same place.

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