HIP 21781
HIP 21781 is a K-type (Orange) star.
HIP 21781 is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.
HIP 21781 is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
HIP 21781 has an apparent magnitude of +8.78, 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 orange hue, which corresponds to a B-V color index of +1.160.
物理的特性
| スペクトル型 | K Class K — K-type (Orange) |
| 色指数 (B−V) | 1.160 |
観測
| 見かけの等級 | +8.78 |
| 絶対等級 | -11.22 |
| 距離 | 326,156 ly |
位置
| 赤経 | 4h 40.75m |
| 赤緯 | -23° 3.13′ |
Frequently Asked Questions
What type of star is HIP 21781?
HIP 21781 is a Class K — K-type (Orange) star.
How far is HIP 21781 from Earth?
HIP 21781 is approximately 326,156.0 light-years from Earth.
Can you see HIP 21781 with the naked eye?
With an apparent magnitude of 8.78, HIP 21781 is not visible to the naked eye.