ゲンマ

5Alp CrB

ゲンマ is a A-type (White) star. It carries the designation 5Alp CrB.

Located approximately 75.0 light-years from Earth, ゲンマ resides within the broader disk of our Milky Way galaxy.

ゲンマ is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.

At an apparent magnitude of +2.22, ゲンマ is visible to the naked eye under reasonably clear skies. It may require dark-sky conditions to be seen comfortably in areas with significant light pollution. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.032.

物理的特性

スペクトル型 Class A — A-type (White)
色指数 (B−V) 0.032

観測

見かけの等級 +2.22
絶対等級 0.41
距離 75.0 ly

位置

赤経 15h 34.69m
赤緯 26° 42.88′

よくある質問

What type of star is ゲンマ?
ゲンマ is a Class A — A-type (White) star.
How far is ゲンマ from Earth?
ゲンマ is approximately 75.0 light-years from Earth.
Can you see ゲンマ with the naked eye?
With an apparent magnitude of 2.22, ゲンマ is visible to the naked eye.