23 Cas
23 Cas
23 Cas is a B-type (Blue-White) star located in the constellation Cassiopeia. It carries the designation 23 Cas.
Located approximately 771.0 light-years from Earth, 23 Cas resides within the broader disk of our Milky Way galaxy.
23 Cas is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.42, 23 Cas 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 -0.066.
Propriétés physiques
| Classe Spectrale | B Class B — B-type (Blue-White) |
| Indice de couleur (B−V) | -0,066 |
Observation
| Magnitude Apparente | +5.42 |
| Magnitude Absolue | -1,45 |
| Distance | 771 ly |
| Constellation | Cassiopeia |
Position
| Ascension droite | 0h 47,77m |
| Déclinaison | 74° 50,85′ |
Frequently Asked Questions
What type of star is 23 Cas?
23 Cas is a Class B — B-type (Blue-White) star.
How far is 23 Cas from Earth?
23 Cas is approximately 771.0 light-years from Earth.
Can you see 23 Cas with the naked eye?
With an apparent magnitude of 5.42, 23 Cas is visible to the naked eye.
What constellation is 23 Cas in?
23 Cas is located in the constellation Cassiopeia.