HIP 18640
HIP 18640 is a A-type (White) star located in the constellation Perseus.
Located approximately 475.4 light-years from Earth, HIP 18640 resides within the broader disk of our Milky Way galaxy.
HIP 18640 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
HIP 18640 has an apparent magnitude of +7.92, 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 +0.157.
物理特性
| 光谱类型 | Class A — A-type (White) |
| 色指数 (B−V) | 0.157 |
观测
| 视星等 | +7.92 |
| 绝对星等 | 2.10 |
| 距离 | 475 ly |
| 星座 | Perseus |
位置
| 赤经 | 3h 59.41m |
| 赤纬 | 44° 28.90′ |
常见问题
What type of star is HIP 18640?
HIP 18640 is a Class A — A-type (White) star.
How far is HIP 18640 from Earth?
HIP 18640 is approximately 475.4 light-years from Earth.
Can you see HIP 18640 with the naked eye?
With an apparent magnitude of 7.92, HIP 18640 is not visible to the naked eye.
What constellation is HIP 18640 in?
HIP 18640 is located in the constellation Perseus.