出典:Wikipedia
出典:『Wikipedia』 (2011/01/13 02:43 UTC 版)
V342 Velorum is a luminous blue variable star in the constellation Vela, the 342nd variable star discovered in that constellation. Like many other LBV's, it shines with a luminosity of 1,900,000 times that of the Sun and is 65 solar masses in weight. Parallax measurements give it a distance of 40,750 light years although it is probably much closer. This star can be seen with the naked eye. With an apparent magnitude of 7.225, it is just barely visible under the darkest conditions available on Earth.