HIP 20421
HIP 20421 is a B-type (Blue-White) star located in the constellation Perseus.
At a distance of roughly 1,250 light-years, HIP 20421 is a distant star lying deep within the Milky Way galaxy.
HIP 20421 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
HIP 20421 has an apparent magnitude of +8.07, 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 blue-white hue, which corresponds to a B-V color index of +0.135.
Đặc tính vật lý
| Phân Loại Quang Phổ | Class B — B-type (Blue-White) |
| Chỉ số màu (B−V) | 0,135 |
Quan sát
| Cấp Sao Biểu Kiến | +8.07 |
| Cấp Sao Tuyệt Đối | 0,15 |
| Khoảng Cách | 1,250 ly |
| Chòm Sao | Perseus |
Vị trí
| Xích kinh | 4h 22,44m |
| Xích vĩ | 36° 54,34′ |
Câu hỏi thường gặp
What type of star is HIP 20421?
HIP 20421 is a Class B — B-type (Blue-White) star.
How far is HIP 20421 from Earth?
HIP 20421 is approximately 1,249.6 light-years from Earth.
Can you see HIP 20421 with the naked eye?
With an apparent magnitude of 8.07, HIP 20421 is not visible to the naked eye.
What constellation is HIP 20421 in?
HIP 20421 is located in the constellation Perseus.