HIP 81990
HIP 81990 is a K-type (Orange) star.
At a distance of roughly 1,717 light-years, HIP 81990 is a distant star lying deep within the Milky Way galaxy.
HIP 81990 is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
HIP 81990 has an apparent magnitude of +7.64, 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 +1.677.
物理的特性
| スペクトル型 | K Class K — K-type (Orange) |
| 色指数 (B−V) | 1.677 |
観測
| 見かけの等級 | +7.64 |
| 絶対等級 | -0.97 |
| 距離 | 1,717 ly |
位置
| 赤経 | 16h 45.00m |
| 赤緯 | 0° 36.88′ |
Frequently Asked Questions
What type of star is HIP 81990?
HIP 81990 is a Class K — K-type (Orange) star.
How far is HIP 81990 from Earth?
HIP 81990 is approximately 1,716.6 light-years from Earth.
Can you see HIP 81990 with the naked eye?
With an apparent magnitude of 7.64, HIP 81990 is not visible to the naked eye.