Alhena
24Gam Gem
Alhena is a A-type (White) star located in the constellation Gemini. It carries the designation 24Gam Gem.
Located approximately 109.3 light-years from Earth, Alhena resides within the broader disk of our Milky Way galaxy.
Alhena is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
Alhena has an apparent magnitude of +1.93, making it a bright and prominent star that is readily visible to the naked eye. It is one of the more conspicuous stars in its region of the sky. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.001.
物理的特性
| スペクトル型 | Class A — A-type (White) |
| 色指数 (B−V) | 0.001 |
観測
| 見かけの等級 | +1.93 |
| 絶対等級 | -0.70 |
| 距離 | 109 ly |
| 星座 | Gemini |
位置
| 赤経 | 6h 37.71m |
| 赤緯 | 16° 23.96′ |
よくある質問
What type of star is Alhena?
Alhena is a Class A — A-type (White) star.
How far is Alhena from Earth?
Alhena is approximately 109.3 light-years from Earth.
Can you see Alhena with the naked eye?
With an apparent magnitude of 1.93, Alhena is visible to the naked eye.
What constellation is Alhena in?
Alhena is located in the constellation Gemini.