HIP 21800
HIP 21800 is a K-type (Orange) star located in the constellation Perseus.
Located approximately 758.5 light-years from Earth, HIP 21800 resides within the broader disk of our Milky Way galaxy.
HIP 21800 is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
HIP 21800 has an apparent magnitude of +9.15, 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 orange hue, which corresponds to a B-V color index of +1.300.
物理特性
| 光谱类型 | Class K — K-type (Orange) |
| 色指数 (B−V) | 1.300 |
观测
| 视星等 | +9.15 |
| 绝对星等 | 2.32 |
| 距离 | 758 ly |
| 星座 | Perseus |
位置
| 赤经 | 4h 41.01m |
| 赤纬 | 48° 40.09′ |
常见问题
What type of star is HIP 21800?
HIP 21800 is a Class K — K-type (Orange) star.
How far is HIP 21800 from Earth?
HIP 21800 is approximately 758.5 light-years from Earth.
Can you see HIP 21800 with the naked eye?
With an apparent magnitude of 9.15, HIP 21800 is not visible to the naked eye.
What constellation is HIP 21800 in?
HIP 21800 is located in the constellation Perseus.