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.
Đặc tính vật lý
| Phân Loại Quang Phổ | K Class K — K-type (Orange) |
| Chỉ số màu (B−V) | 1,460 |
Quan sát
| Cấp Sao Biểu Kiến | +8.61 |
| Cấp Sao Tuyệt Đối | 0,83 |
| Khoảng Cách | 1,173 ly |
Vị trí
| Xích kinh | 4h 43,51m |
| Xích vĩ | -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.