HIP 20647
HIP 20647 is a B-type (Blue-White) star located in the constellation Perseus.
HIP 20647 is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.
HIP 20647 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
HIP 20647 has an apparent magnitude of +7.43, 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 +0.234.
物理的特性
| スペクトル型 | Class B — B-type (Blue-White) |
| 色指数 (B−V) | 0.234 |
観測
| 見かけの等級 | +7.43 |
| 絶対等級 | -12.57 |
| 距離 | 326,156 ly |
| 星座 | Perseus |
位置
| 赤経 | 4h 25.49m |
| 赤緯 | 46° 8.62′ |
よくある質問
What type of star is HIP 20647?
HIP 20647 is a Class B — B-type (Blue-White) star.
How far is HIP 20647 from Earth?
HIP 20647 is approximately 326,156.0 light-years from Earth.
Can you see HIP 20647 with the naked eye?
With an apparent magnitude of 7.43, HIP 20647 is not visible to the naked eye.
What constellation is HIP 20647 in?
HIP 20647 is located in the constellation Perseus.