Sections

Catalogues

Show the direction and distance to this object on the Galactic Map.

Proper Name	None
Bayer Designation	Tau Canis Majoris
Flamsteed Number	30 Canis Majoris
HR (BSC)	2782
HD	57061
Constellation	Canis Major
Right Ascension	7h 18m 42s
Declination	-24° 57' 16"
Distance	c. 4,900 light years c. 1,500 parsecs
Magnitude	Apparent: +4.40 Absolute: -6.48
Spectral Class	O9Ib Blue-White Supergiant
Optimum Visibility	January / February
Notes	An intensely luminous supergiant of the blue-white O-type classification with multiple orbiting companions, this immense star lies at the heart of an open cluster - the Tau Canis Majoris Cluster - nearly five thousand light years from the Solar System.

Imagery provided by Aladin sky atlas

v2.1g