HIP 81591
HIP 81591 is a K-type (Orange) star located in the constellation Hercules.
Located approximately 634.5 light-years from Earth, HIP 81591 resides within the broader disk of our Milky Way galaxy.
HIP 81591 is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
HIP 81591 has an apparent magnitude of +8.24, 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 yellow hue, which corresponds to a B-V color index of +0.953.
物理特性
| 光谱类型 | Class K — K-type (Orange) |
| 色指数 (B−V) | 0.953 |
观测
| 视星等 | +8.24 |
| 绝对星等 | 1.80 |
| 距离 | 635 ly |
| 星座 | Hercules |
位置
| 赤经 | 16h 39.76m |
| 赤纬 | 38° 11.80′ |
常见问题
What type of star is HIP 81591?
HIP 81591 is a Class K — K-type (Orange) star.
How far is HIP 81591 from Earth?
HIP 81591 is approximately 634.5 light-years from Earth.
Can you see HIP 81591 with the naked eye?
With an apparent magnitude of 8.24, HIP 81591 is not visible to the naked eye.
What constellation is HIP 81591 in?
HIP 81591 is located in the constellation Hercules.