HIP 21917
HIP 21917 is a B-type (Blue-White) star.
HIP 21917 is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.
HIP 21917 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
HIP 21917 has an apparent magnitude of +9.87, placing it beyond naked-eye visibility. A good pair of binoculars or a small telescope is required to observe this star. Observers will note its white hue, which corresponds to a B-V color index of +0.334.
Propriétés physiques
| Classe Spectrale | Class B — B-type (Blue-White) |
| Indice de couleur (B−V) | 0,334 |
Observation
| Magnitude Apparente | +9.87 |
| Magnitude Absolue | -10,13 |
| Distance | 326,156 ly |
Position
| Ascension droite | 4h 42,81m |
| Déclinaison | 64° 50,71′ |
Questions fréquentes
What type of star is HIP 21917?
HIP 21917 is a Class B — B-type (Blue-White) star.
How far is HIP 21917 from Earth?
HIP 21917 is approximately 326,156.0 light-years from Earth.
Can you see HIP 21917 with the naked eye?
With an apparent magnitude of 9.87, HIP 21917 is not visible to the naked eye.