Alcyone (sao)
25Eta Tau
Alcyone (sao) is a B-type (Blue-White) star located in the constellation Taurus. It carries the designation 25Eta Tau.
Located approximately 403.2 light-years from Earth, Alcyone (sao) resides within the broader disk of our Milky Way galaxy.
Alcyone (sao) is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
At an apparent magnitude of +2.85, Alcyone (sao) is visible to the naked eye under reasonably clear skies. It may require dark-sky conditions to be seen comfortably in areas with significant light pollution. Observers will note its blue hue, which corresponds to a B-V color index of -0.086.
Đặc tính vật lý
| Phân Loại Quang Phổ | Class B — B-type (Blue-White) |
| Chỉ số màu (B−V) | -0,086 |
Quan sát
| Cấp Sao Biểu Kiến | +2.85 |
| Cấp Sao Tuyệt Đối | -2,61 |
| Khoảng Cách | 403 ly |
| Chòm Sao | Taurus |
Vị trí
| Xích kinh | 3h 47,48m |
| Xích vĩ | 24° 6,31′ |
Câu hỏi thường gặp
What type of star is Alcyone (sao)?
Alcyone (sao) is a Class B — B-type (Blue-White) star.
How far is Alcyone (sao) from Earth?
Alcyone (sao) is approximately 403.2 light-years from Earth.
Can you see Alcyone (sao) with the naked eye?
With an apparent magnitude of 2.85, Alcyone (sao) is visible to the naked eye.
What constellation is Alcyone (sao) in?
Alcyone (sao) is located in the constellation Taurus.