HIP 21397
HIP 21397 is a F-type (Yellow-White) star located in the constellation Perseus.
Located approximately 251.5 light-years from Earth, HIP 21397 resides within the broader disk of our Milky Way galaxy.
HIP 21397 is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
HIP 21397 has an apparent magnitude of +8.45, 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 +0.524.
物理的特性
| スペクトル型 | F Class F — F-type (Yellow-White) |
| 色指数 (B−V) | 0.524 |
観測
| 見かけの等級 | +8.45 |
| 絶対等級 | 4.02 |
| 距離 | 251 ly |
| 星座 | Perseus |
位置
| 赤経 | 4h 35.59m |
| 赤緯 | 32° 34.79′ |
Frequently Asked Questions
What type of star is HIP 21397?
HIP 21397 is a Class F — F-type (Yellow-White) star.
How far is HIP 21397 from Earth?
HIP 21397 is approximately 251.5 light-years from Earth.
Can you see HIP 21397 with the naked eye?
With an apparent magnitude of 8.45, HIP 21397 is not visible to the naked eye.
What constellation is HIP 21397 in?
HIP 21397 is located in the constellation Perseus.