HIP 21947
HIP 21947 is a B-type (Blue-White) star located in the constellation Perseus.
HIP 21947 is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.
HIP 21947 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
HIP 21947 has an apparent magnitude of +8.63, 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 white hue, which corresponds to a B-V color index of +0.520.
Đặc tính vật lý
| Phân Loại Quang Phổ | Class B — B-type (Blue-White) |
| Chỉ số màu (B−V) | 0,520 |
Quan sát
| Cấp Sao Biểu Kiến | +8.63 |
| Cấp Sao Tuyệt Đối | -11,37 |
| Khoảng Cách | 326,156 ly |
| Chòm Sao | Perseus |
Vị trí
| Xích kinh | 4h 43,03m |
| Xích vĩ | 45° 37,82′ |
Câu hỏi thường gặp
What type of star is HIP 21947?
HIP 21947 is a Class B — B-type (Blue-White) star.
How far is HIP 21947 from Earth?
HIP 21947 is approximately 326,156.0 light-years from Earth.
Can you see HIP 21947 with the naked eye?
With an apparent magnitude of 8.63, HIP 21947 is not visible to the naked eye.
What constellation is HIP 21947 in?
HIP 21947 is located in the constellation Perseus.