|
Omicron Herculis (o Her, o Herculis) is a multiple star system in the constellation Hercules. It has the traditional name Atia and the Flamsteed designation 103 Herculis. == Properties == Omicron Herculis is a B9.5V star approximately 106 pc from the Earth. It has an apparent magnitude of 3.83, and an absolute magnitude of -1.29. The star burns bluish-white, and has a luminosity approximately 180x as bright as the Sun. Omicron Herculis is 3.32 solar masses. Omicron Herculis is an eruptive variable of the Gamma Cassiopeia class, which are rapidly rotating B-class stars with mass outflow. Omicron Herculis is both a spectroscopic and an interferometric binary star with a separation of 0.1 arcsec. Omicron Hercules is notable for residing at the same coordinates as the proper motion of the Sun. It will eventually become the brightest star in the sky in approximately 3 million years from today, at -0.4, slightly less bright than Canopus today. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Omicron Herculis」の詳細全文を読む スポンサード リンク
|