HIP 9991
HIP 9991 is a F-type (Yellow-White) star located in the constellation Andromeda.
Located approximately 257.6 light-years from Earth, HIP 9991 resides within the broader disk of our Milky Way galaxy.
HIP 9991 is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
HIP 9991 has an apparent magnitude of +7.71, 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 +0.403.
物理的特性
| スペクトル型 | Class F — F-type (Yellow-White) |
| 色指数 (B−V) | 0.403 |
観測
| 見かけの等級 | +7.71 |
| 絶対等級 | 3.22 |
| 距離 | 258 ly |
| 星座 | Andromeda |
位置
| 赤経 | 2h 8.68m |
| 赤緯 | 42° 9.78′ |
よくある質問
What type of star is HIP 9991?
HIP 9991 is a Class F — F-type (Yellow-White) star.
How far is HIP 9991 from Earth?
HIP 9991 is approximately 257.6 light-years from Earth.
Can you see HIP 9991 with the naked eye?
With an apparent magnitude of 7.71, HIP 9991 is not visible to the naked eye.
What constellation is HIP 9991 in?
HIP 9991 is located in the constellation Andromeda.