HIP 21659
HIP 21659 is a M-type (Red) star located in the constellation Perseus.
Located approximately 185.5 light-years from Earth, HIP 21659 resides within the broader disk of our Milky Way galaxy.
HIP 21659 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
At an apparent magnitude of +11.36, HIP 21659 is a faint star that requires a telescope to observe. It is invisible to the naked eye and too dim for most binoculars. Observers will note its yellow-white hue, which corresponds to a B-V color index of +0.798.
物理的特性
| スペクトル型 | Class M — M-type (Red) |
| 色指数 (B−V) | 0.798 |
観測
| 見かけの等級 | +11.36 |
| 絶対等級 | 7.58 |
| 距離 | 186 ly |
| 星座 | Perseus |
位置
| 赤経 | 4h 39.02m |
| 赤緯 | 48° 34.06′ |
よくある質問
What type of star is HIP 21659?
HIP 21659 is a Class M — M-type (Red) star.
How far is HIP 21659 from Earth?
HIP 21659 is approximately 185.5 light-years from Earth.
Can you see HIP 21659 with the naked eye?
With an apparent magnitude of 11.36, HIP 21659 is not visible to the naked eye.
What constellation is HIP 21659 in?
HIP 21659 is located in the constellation Perseus.