HIP 21991
HIP 21991 is a K-type (Orange) star.
Located approximately 159.7 light-years from Earth, HIP 21991 resides within the broader disk of our Milky Way galaxy.
HIP 21991 is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
HIP 21991 has an apparent magnitude of +9.95, 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 yellow hue, which corresponds to a B-V color index of +0.950.
Đặc tính vật lý
| Phân Loại Quang Phổ | K Class K — K-type (Orange) |
| Chỉ số màu (B−V) | 0,950 |
Quan sát
| Cấp Sao Biểu Kiến | +9.95 |
| Cấp Sao Tuyệt Đối | 6,50 |
| Khoảng Cách | 160 ly |
Vị trí
| Xích kinh | 4h 43,61m |
| Xích vĩ | -15° 48,30′ |
Frequently Asked Questions
What type of star is HIP 21991?
HIP 21991 is a Class K — K-type (Orange) star.
How far is HIP 21991 from Earth?
HIP 21991 is approximately 159.7 light-years from Earth.
Can you see HIP 21991 with the naked eye?
With an apparent magnitude of 9.95, HIP 21991 is not visible to the naked eye.