HIP 21780
HIP 21780 is a A-type (White) star located in the constellation Perseus.
At a distance of roughly 1,274 light-years, HIP 21780 is a distant star lying deep within the Milky Way galaxy.
HIP 21780 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
HIP 21780 has an apparent magnitude of +8.42, 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 white hue, which corresponds to a B-V color index of +0.588.
物理的特性
| スペクトル型 | Class A — A-type (White) |
| 色指数 (B−V) | 0.588 |
観測
| 見かけの等級 | +8.42 |
| 絶対等級 | 0.46 |
| 距離 | 1,274 ly |
| 星座 | Perseus |
位置
| 赤経 | 4h 40.74m |
| 赤緯 | 36° 51.01′ |
よくある質問
What type of star is HIP 21780?
HIP 21780 is a Class A — A-type (White) star.
How far is HIP 21780 from Earth?
HIP 21780 is approximately 1,274.0 light-years from Earth.
Can you see HIP 21780 with the naked eye?
With an apparent magnitude of 8.42, HIP 21780 is not visible to the naked eye.
What constellation is HIP 21780 in?
HIP 21780 is located in the constellation Perseus.