HIP 9990
HIP 9990 is a A-type (White) star located in the constellation Perseus.
HIP 9990 is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.
HIP 9990 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 9990 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 white hue, which corresponds to a B-V color index of +0.595.
物理特性
| 光谱类型 | Class A — A-type (White) |
| 色指数 (B−V) | 0.595 |
观测
| 视星等 | +5.66 |
| 绝对星等 | -14.34 |
| 距离 | 326,156 ly |
| 星座 | Perseus |
位置
| 赤经 | 2h 8.68m |
| 赤纬 | 58° 25.42′ |
常见问题
What type of star is HIP 9990?
HIP 9990 is a Class A — A-type (White) star.
How far is HIP 9990 from Earth?
HIP 9990 is approximately 326,156.0 light-years from Earth.
Can you see HIP 9990 with the naked eye?
With an apparent magnitude of 5.66, HIP 9990 is visible to the naked eye.
What constellation is HIP 9990 in?
HIP 9990 is located in the constellation Perseus.