Asterope
21 Tau
Asterope is a B-type (Blue-White) star located in the constellation Taurus. It carries the designation 21 Tau.
Located approximately 371.9 light-years from Earth, Asterope resides within the broader disk of our Milky Way galaxy.
Asterope is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.76, Asterope sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its blue hue, which corresponds to a B-V color index of -0.036.
Physikalische Eigenschaften
| Spektralklasse | Class B — B-type (Blue-White) |
| Farbindex (B−V) | -0,036 |
Beobachtung
| Scheinbare Helligkeit | +5.76 |
| Absolute Helligkeit | 0,48 |
| Entfernung | 372 ly |
| Sternbild | Taurus |
Position
| Rektaszension | 3h 45,91m |
| Deklination | 24° 33,27′ |
Häufig gestellte Fragen
What type of star is Asterope?
Asterope is a Class B — B-type (Blue-White) star.
How far is Asterope from Earth?
Asterope is approximately 371.9 light-years from Earth.
Can you see Asterope with the naked eye?
With an apparent magnitude of 5.76, Asterope is visible to the naked eye.
What constellation is Asterope in?
Asterope is located in the constellation Taurus.