HIP 21801
HIP 21801 is a F-type (Yellow-White) star.
Located approximately 637.0 light-years from Earth, HIP 21801 resides within the broader disk of our Milky Way galaxy.
HIP 21801 is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
HIP 21801 has an apparent magnitude of +9.44, 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 +0.402.
物理特性
| 光谱类型 | F Class F — F-type (Yellow-White) |
| 色指数 (B−V) | 0.402 |
观测
| 视星等 | +9.44 |
| 绝对星等 | 2.99 |
| 距离 | 637 ly |
位置
| 赤经 | 4h 41.02m |
| 赤纬 | -53° 52.09′ |
Frequently Asked Questions
What type of star is HIP 21801?
HIP 21801 is a Class F — F-type (Yellow-White) star.
How far is HIP 21801 from Earth?
HIP 21801 is approximately 637.0 light-years from Earth.
Can you see HIP 21801 with the naked eye?
With an apparent magnitude of 9.44, HIP 21801 is not visible to the naked eye.