HIP 15721
HIP 15721 is a M-type (Red) star located in the constellation Perseus.
At a distance of roughly 2,174 light-years, HIP 15721 is a distant star lying deep within the Milky Way galaxy.
HIP 15721 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
HIP 15721 has an apparent magnitude of +7.40, 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 red hue, which corresponds to a B-V color index of +1.902.
物理的特性
| スペクトル型 | Class M — M-type (Red) |
| 色指数 (B−V) | 1.902 |
観測
| 見かけの等級 | +7.40 |
| 絶対等級 | -1.72 |
| 距離 | 2,174 ly |
| 星座 | Perseus |
位置
| 赤経 | 3h 22.52m |
| 赤緯 | 32° 14.39′ |
よくある質問
What type of star is HIP 15721?
HIP 15721 is a Class M — M-type (Red) star.
How far is HIP 15721 from Earth?
HIP 15721 is approximately 2,174.4 light-years from Earth.
Can you see HIP 15721 with the naked eye?
With an apparent magnitude of 7.40, HIP 15721 is not visible to the naked eye.
What constellation is HIP 15721 in?
HIP 15721 is located in the constellation Perseus.