HIP 21057
HIP 21057 is a M-type (Red) star.
At a distance of roughly 1,773 light-years, HIP 21057 is a distant star lying deep within the Milky Way galaxy.
HIP 21057 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
HIP 21057 has an apparent magnitude of +7.91, 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 +1.673.
物理的特性
| スペクトル型 | Class M — M-type (Red) |
| 色指数 (B−V) | 1.673 |
観測
| 見かけの等級 | +7.91 |
| 絶対等級 | -0.77 |
| 距離 | 1,773 ly |
位置
| 赤経 | 4h 30.81m |
| 赤緯 | -45° 35.79′ |
よくある質問
What type of star is HIP 21057?
HIP 21057 is a Class M — M-type (Red) star.
How far is HIP 21057 from Earth?
HIP 21057 is approximately 1,772.6 light-years from Earth.
Can you see HIP 21057 with the naked eye?
With an apparent magnitude of 7.91, HIP 21057 is not visible to the naked eye.