HIP 21904
HIP 21904 is a A-type (White) star located in the constellation Taurus.
At a distance of roughly 2,992 light-years, HIP 21904 is a distant star lying deep within the Milky Way galaxy.
HIP 21904 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
HIP 21904 has an apparent magnitude of +8.16, 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-white hue, which corresponds to a B-V color index of +0.755.
Đặc tính vật lý
| Phân Loại Quang Phổ | Class A — A-type (White) |
| Chỉ số màu (B−V) | 0,755 |
Quan sát
| Cấp Sao Biểu Kiến | +8.16 |
| Cấp Sao Tuyệt Đối | -1,65 |
| Khoảng Cách | 2,992 ly |
| Chòm Sao | Taurus |
Vị trí
| Xích kinh | 4h 42,62m |
| Xích vĩ | 12° 18,67′ |
Câu hỏi thường gặp
What type of star is HIP 21904?
HIP 21904 is a Class A — A-type (White) star.
How far is HIP 21904 from Earth?
HIP 21904 is approximately 2,992.3 light-years from Earth.
Can you see HIP 21904 with the naked eye?
With an apparent magnitude of 8.16, HIP 21904 is not visible to the naked eye.
What constellation is HIP 21904 in?
HIP 21904 is located in the constellation Taurus.