HIP 21774
HIP 21774 is a B-type (Blue-White) star located in the constellation Perseus.
Located approximately 751.5 light-years from Earth, HIP 21774 resides within the broader disk of our Milky Way galaxy.
HIP 21774 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
HIP 21774 has an apparent magnitude of +7.47, 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 +0.172.
物理的特性
| スペクトル型 | Class B — B-type (Blue-White) |
| 色指数 (B−V) | 0.172 |
観測
| 見かけの等級 | +7.47 |
| 絶対等級 | 0.66 |
| 距離 | 752 ly |
| 星座 | Perseus |
位置
| 赤経 | 4h 40.60m |
| 赤緯 | 44° 5.82′ |
よくある質問
What type of star is HIP 21774?
HIP 21774 is a Class B — B-type (Blue-White) star.
How far is HIP 21774 from Earth?
HIP 21774 is approximately 751.5 light-years from Earth.
Can you see HIP 21774 with the naked eye?
With an apparent magnitude of 7.47, HIP 21774 is not visible to the naked eye.
What constellation is HIP 21774 in?
HIP 21774 is located in the constellation Perseus.