HIP 21972
HIP 21972 is a B-type (Blue-White) star located in the constellation Perseus.
Located approximately 683.8 light-years from Earth, HIP 21972 resides within the broader disk of our Milky Way galaxy.
HIP 21972 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.86, HIP 21972 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-white hue, which corresponds to a B-V color index of +0.013.
Propriétés physiques
| Classe Spectrale | Class B — B-type (Blue-White) |
| Indice de couleur (B−V) | 0,013 |
Observation
| Magnitude Apparente | +5.86 |
| Magnitude Absolue | -0,75 |
| Distance | 684 ly |
| Constellation | Perseus |
Position
| Ascension droite | 4h 43,36m |
| Déclinaison | 49° 58,43′ |
Questions fréquentes
What type of star is HIP 21972?
HIP 21972 is a Class B — B-type (Blue-White) star.
How far is HIP 21972 from Earth?
HIP 21972 is approximately 683.8 light-years from Earth.
Can you see HIP 21972 with the naked eye?
With an apparent magnitude of 5.86, HIP 21972 is visible to the naked eye.
What constellation is HIP 21972 in?
HIP 21972 is located in the constellation Perseus.