HIP 18688
HIP 18688 is a A-type (White) star located in the constellation Perseus.
Located approximately 639.5 light-years from Earth, HIP 18688 resides within the broader disk of our Milky Way galaxy.
HIP 18688 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
HIP 18688 has an apparent magnitude of +6.89, 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 blue-white hue, which corresponds to a B-V color index of +0.135.
物理特性
| 光谱类型 | Class A — A-type (White) |
| 色指数 (B−V) | 0.135 |
观测
| 视星等 | +6.89 |
| 绝对星等 | 0.43 |
| 距离 | 640 ly |
| 星座 | Perseus |
位置
| 赤经 | 4h 0.17m |
| 赤纬 | 40° 0.82′ |
常见问题
What type of star is HIP 18688?
HIP 18688 is a Class A — A-type (White) star.
How far is HIP 18688 from Earth?
HIP 18688 is approximately 639.5 light-years from Earth.
Can you see HIP 18688 with the naked eye?
With an apparent magnitude of 6.89, HIP 18688 is not visible to the naked eye.
What constellation is HIP 18688 in?
HIP 18688 is located in the constellation Perseus.