HIP 21981
HIP 21981 is a K-type (Orange) star.
At a distance of roughly 1,173 light-years, HIP 21981 is a distant star lying deep within the Milky Way galaxy.
HIP 21981 is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
HIP 21981 has an apparent magnitude of +8.61, 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 +1.460.
คุณสมบัติทางกายภาพ
| ประเภทสเปกตรัม | K Class K — K-type (Orange) |
| ดัชนีสี (B−V) | 1.460 |
การสังเกต
| โชติมาตรปรากฏ | +8.61 |
| โชติมาตรสัมบูรณ์ | 0.83 |
| ระยะทาง | 1,173 ly |
ตำแหน่ง
| ไรต์แอสเซนชัน | 4h 43.51m |
| เดคลิเนชัน | -1° 6.68′ |
Frequently Asked Questions
What type of star is HIP 21981?
HIP 21981 is a Class K — K-type (Orange) star.
How far is HIP 21981 from Earth?
HIP 21981 is approximately 1,173.2 light-years from Earth.
Can you see HIP 21981 with the naked eye?
With an apparent magnitude of 8.61, HIP 21981 is not visible to the naked eye.