HIP 21181
HIP 21181 is a M-type (Red) star.
Located approximately 911.0 light-years from Earth, HIP 21181 resides within the broader disk of our Milky Way galaxy.
HIP 21181 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
HIP 21181 has an apparent magnitude of +8.32, 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 red hue, which corresponds to a B-V color index of +1.504.
物理特性
| 光谱类型 | Class M — M-type (Red) |
| 色指数 (B−V) | 1.504 |
观测
| 视星等 | +8.32 |
| 绝对星等 | 1.09 |
| 距离 | 911 ly |
位置
| 赤经 | 4h 32.48m |
| 赤纬 | -17° 44.47′ |
常见问题
What type of star is HIP 21181?
HIP 21181 is a Class M — M-type (Red) star.
How far is HIP 21181 from Earth?
HIP 21181 is approximately 911.0 light-years from Earth.
Can you see HIP 21181 with the naked eye?
With an apparent magnitude of 8.32, HIP 21181 is not visible to the naked eye.