1 Per
1 Per
1 Per is a B-type (Blue-White) star located in the constellation Perseus. It carries the designation 1 Per.
At a distance of roughly 1,294 light-years, 1 Per is a distant star lying deep within the Milky Way galaxy.
1 Per is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.53, 1 Per 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 -0.175.
Propriedades físicas
| Classe Espectral | B Class B — B-type (Blue-White) |
| Índice de cor (B−V) | -0,175 |
Observação
| Magnitude Aparente | +5.53 |
| Magnitude Absoluta | -2,46 |
| Distância | 1,294 ly |
| Constelação | Perseus |
Posição
| Ascensão reta | 1h 51,99m |
| Declinação | 55° 8,84′ |
Frequently Asked Questions
What type of star is 1 Per?
1 Per is a Class B — B-type (Blue-White) star.
How far is 1 Per from Earth?
1 Per is approximately 1,294.3 light-years from Earth.
Can you see 1 Per with the naked eye?
With an apparent magnitude of 5.53, 1 Per is visible to the naked eye.
What constellation is 1 Per in?
1 Per is located in the constellation Perseus.