Aludra

Eta Canis Majoris is a blue supergiant star in the constellation of Canis Major. It has the proper name Aludra, pronounced ; Eta Canis Majoris is its Bayer designation. This star has an apparent visual magnitude that varies between 2.38 and 2.48, which makes it the fifth-brightest in the constellation. Parallax measurements from the Hipparcos mission estimate a large distance of 2,000 light-years. It is drifting further away from the Sun with a line of sight velocity of 41 km/s.

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