Also known as Muhlifain, HR 4819, LTT 4841, HIP 61932, HIC 61932, HD 110304, γ Cen, γ Centauri
star in the southern constellation of Centaurus
Wikidata facts
- Constellation
- Centaurus
- Distance from Earth
- 39.9
- Radius
- 36.5
- Mass
- 2.8
Show 15 more facts
- catalog code
- ALS 19677
- spectral class
- A0IIISB
- apparent magnitude
- 2.227056
- absolute magnitude
- -0.8
- luminosity
- 180
- right ascension
- 190.37799302256
- declination
- -48.95978360110
- effective temperature
- 9330
- parallax
- 25.06
- radial velocity
- -9.0
- epoch
- J2000.0
- surface gravity
- 3300
- different from
- y Centauri
- right ascension component of proper motion
- -184
- declination component of proper motion
- -13
Sources (2)
via Wikidata · CC0
Article · 中文
库楼七(γ Cen / 半人马座γ)是半人马座的一颗恒星，俗名Muhlifain，注意不要把该名称与大犬座γ的俗称Muliphein混淆；二者均派生于同一个阿拉伯词根محلفين muħlifayn。 库楼七是一颗双星，距离地球约130光年，由两颗光谱型均为A0，视亮度为+2.9的恒星组成。要区分此双星系统，望远镜的口径至少要大于15cm。他们的绕行周期为83年。
Abstract from DBpedia / Wikipedia · CC BY-SA