HIP 21390
HIP 21390 is a A-type (White) star located in the constellation Perseus.
Located approximately 540.9 light-years from Earth, HIP 21390 resides within the broader disk of our Milky Way galaxy.
HIP 21390 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
HIP 21390 has an apparent magnitude of +8.28, 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 +0.328.
物理特性
| 光谱类型 | A Class A — A-type (White) |
| 色指数 (B−V) | 0.328 |
观测
| 视星等 | +8.28 |
| 绝对星等 | 2.18 |
| 距离 | 541 ly |
| 星座 | Perseus |
位置
| 赤经 | 4h 35.51m |
| 赤纬 | 33° 16.35′ |
Frequently Asked Questions
What type of star is HIP 21390?
HIP 21390 is a Class A — A-type (White) star.
How far is HIP 21390 from Earth?
HIP 21390 is approximately 540.9 light-years from Earth.
Can you see HIP 21390 with the naked eye?
With an apparent magnitude of 8.28, HIP 21390 is not visible to the naked eye.
What constellation is HIP 21390 in?
HIP 21390 is located in the constellation Perseus.