HIP 21823
HIP 21823 is a A-type (White) star located in the constellation Perseus.
Located approximately 296.5 light-years from Earth, HIP 21823 resides within the broader disk of our Milky Way galaxy.
HIP 21823 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.66, HIP 21823 sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.002.
物理特性
| 光谱类型 | Class A — A-type (White) |
| 色指数 (B−V) | 0.002 |
观测
| 视星等 | +5.66 |
| 绝对星等 | 0.87 |
| 距离 | 297 ly |
| 星座 | Perseus |
位置
| 赤经 | 4h 41.40m |
| 赤纬 | 48° 18.05′ |
常见问题
What type of star is HIP 21823?
HIP 21823 is a Class A — A-type (White) star.
How far is HIP 21823 from Earth?
HIP 21823 is approximately 296.5 light-years from Earth.
Can you see HIP 21823 with the naked eye?
With an apparent magnitude of 5.66, HIP 21823 is visible to the naked eye.
What constellation is HIP 21823 in?
HIP 21823 is located in the constellation Perseus.