40 Gem
40 Gem
40 Gem is a B-type (Blue-White) star located in the constellation Gemini. It carries the designation 40 Gem.
At a distance of roughly 1,195 light-years, 40 Gem is a distant star lying deep within the Milky Way galaxy.
40 Gem is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
40 Gem has an apparent magnitude of +6.40, placing it beyond naked-eye visibility. A good pair of binoculars or a small telescope is required to observe this star. Observers will note its blue hue, which corresponds to a B-V color index of -0.111.
物理的特性
| スペクトル型 | Class B — B-type (Blue-White) |
| 色指数 (B−V) | -0.111 |
観測
| 見かけの等級 | +6.40 |
| 絶対等級 | -1.42 |
| 距離 | 1,195 ly |
| 星座 | Gemini |
位置
| 赤経 | 6h 59.47m |
| 赤緯 | 25° 54.85′ |
よくある質問
What type of star is 40 Gem?
40 Gem is a Class B — B-type (Blue-White) star.
How far is 40 Gem from Earth?
40 Gem is approximately 1,194.7 light-years from Earth.
Can you see 40 Gem with the naked eye?
With an apparent magnitude of 6.40, 40 Gem is not visible to the naked eye.
What constellation is 40 Gem in?
40 Gem is located in the constellation Gemini.