HIP 7640
HIP 7640 is a B-type (Blue-White) star located in the constellation Cassiopeia.
At a distance of roughly 1,717 light-years, HIP 7640 is a distant star lying deep within the Milky Way galaxy.
HIP 7640 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
HIP 7640 has an apparent magnitude of +8.69, 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 +0.256.
物理特性
| 光谱类型 | Class B — B-type (Blue-White) |
| 色指数 (B−V) | 0.256 |
观测
| 视星等 | +8.69 |
| 绝对星等 | 0.08 |
| 距离 | 1,717 ly |
| 星座 | Cassiopeia |
位置
| 赤经 | 1h 38.44m |
| 赤纬 | 60° 33.78′ |
常见问题
What type of star is HIP 7640?
HIP 7640 is a Class B — B-type (Blue-White) star.
How far is HIP 7640 from Earth?
HIP 7640 is approximately 1,716.6 light-years from Earth.
Can you see HIP 7640 with the naked eye?
With an apparent magnitude of 8.69, HIP 7640 is not visible to the naked eye.
What constellation is HIP 7640 in?
HIP 7640 is located in the constellation Cassiopeia.