HIP 21987
HIP 21987 is a F-type (Yellow-White) star located in the constellation Taurus.
Located approximately 649.7 light-years from Earth, HIP 21987 resides within the broader disk of our Milky Way galaxy.
HIP 21987 is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
At an apparent magnitude of +10.45, HIP 21987 is a faint star that requires a telescope to observe. It is invisible to the naked eye and too dim for most binoculars. Observers will note its white hue, which corresponds to a B-V color index of +0.308.
物理的特性
| スペクトル型 | Class F — F-type (Yellow-White) |
| 色指数 (B−V) | 0.308 |
観測
| 見かけの等級 | +10.45 |
| 絶対等級 | 3.95 |
| 距離 | 650 ly |
| 星座 | Taurus |
位置
| 赤経 | 4h 43.58m |
| 赤緯 | 8° 16.46′ |
よくある質問
What type of star is HIP 21987?
HIP 21987 is a Class F — F-type (Yellow-White) star.
How far is HIP 21987 from Earth?
HIP 21987 is approximately 649.7 light-years from Earth.
Can you see HIP 21987 with the naked eye?
With an apparent magnitude of 10.45, HIP 21987 is not visible to the naked eye.
What constellation is HIP 21987 in?
HIP 21987 is located in the constellation Taurus.