Alkione
25Eta Tau
Alkione 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, Alkione resides within the broader disk of our Milky Way galaxy.
Alkione 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, Alkione 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.
Physikalische Eigenschaften
| Spektralklasse | Class B — B-type (Blue-White) |
| Farbindex (B−V) | -0,086 |
Beobachtung
| Scheinbare Helligkeit | +2.85 |
| Absolute Helligkeit | -2,61 |
| Entfernung | 403 ly |
| Sternbild | Taurus |
Position
| Rektaszension | 3h 47,48m |
| Deklination | 24° 6,31′ |
Häufig gestellte Fragen
What type of star is Alkione?
Alkione is a Class B — B-type (Blue-White) star.
How far is Alkione from Earth?
Alkione is approximately 403.2 light-years from Earth.
Can you see Alkione with the naked eye?
With an apparent magnitude of 2.85, Alkione is visible to the naked eye.
What constellation is Alkione in?
Alkione is located in the constellation Taurus.