HIP 91781
HIP 91781 is a M-type (Red) star located in the constellation Sagittarius.
At a distance of roughly 1,013 light-years, HIP 91781 is a distant star lying deep within the Milky Way galaxy.
HIP 91781 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
HIP 91781 has an apparent magnitude of +6.32, 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 +1.591.
物理的特性
| スペクトル型 | Class M — M-type (Red) |
| 色指数 (B−V) | 1.591 |
観測
| 見かけの等級 | +6.32 |
| 絶対等級 | -1.14 |
| 距離 | 1,013 ly |
| 星座 | Sagittarius |
位置
| 赤経 | 18h 42.92m |
| 赤緯 | -19° 17.05′ |
よくある質問
What type of star is HIP 91781?
HIP 91781 is a Class M — M-type (Red) star.
How far is HIP 91781 from Earth?
HIP 91781 is approximately 1,012.9 light-years from Earth.
Can you see HIP 91781 with the naked eye?
With an apparent magnitude of 6.32, HIP 91781 is not visible to the naked eye.
What constellation is HIP 91781 in?
HIP 91781 is located in the constellation Sagittarius.