HIP 9291
HIP 9291 is a M-type (Red) star located in the constellation Cassiopeia.
HIP 9291 lies approximately 40.0 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 39 years ago.
HIP 9291 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
At an apparent magnitude of +12.21, HIP 9291 is a faint star that requires a telescope to observe. It is invisible to the naked eye and too dim for most binoculars. Observers will note its red hue, which corresponds to a B-V color index of +1.540.
物理的特性
| スペクトル型 | Class M — M-type (Red) |
| 色指数 (B−V) | 1.540 |
観測
| 見かけの等級 | +12.21 |
| 絶対等級 | 11.77 |
| 距離 | 40.0 ly |
| 星座 | Cassiopeia |
位置
| 赤経 | 1h 59.39m |
| 赤緯 | 58° 31.27′ |
よくある質問
What type of star is HIP 9291?
HIP 9291 is a Class M — M-type (Red) star.
How far is HIP 9291 from Earth?
HIP 9291 is approximately 40.0 light-years from Earth.
Can you see HIP 9291 with the naked eye?
With an apparent magnitude of 12.21, HIP 9291 is not visible to the naked eye.
What constellation is HIP 9291 in?
HIP 9291 is located in the constellation Cassiopeia.