HIP 21189
HIP 21189 is a A-type (White) star located in the constellation Perseus.
Located approximately 807.3 light-years from Earth, HIP 21189 resides within the broader disk of our Milky Way galaxy.
HIP 21189 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
HIP 21189 has an apparent magnitude of +7.86, 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-white hue, which corresponds to a B-V color index of +0.120.
物理的特性
| スペクトル型 | Class A — A-type (White) |
| 色指数 (B−V) | 0.120 |
観測
| 見かけの等級 | +7.86 |
| 絶対等級 | 0.89 |
| 距離 | 807 ly |
| 星座 | Perseus |
位置
| 赤経 | 4h 32.55m |
| 赤緯 | 44° 54.15′ |
よくある質問
What type of star is HIP 21189?
HIP 21189 is a Class A — A-type (White) star.
How far is HIP 21189 from Earth?
HIP 21189 is approximately 807.3 light-years from Earth.
Can you see HIP 21189 with the naked eye?
With an apparent magnitude of 7.86, HIP 21189 is not visible to the naked eye.
What constellation is HIP 21189 in?
HIP 21189 is located in the constellation Perseus.