1 Cas
1 Cas
1 Cas is a B-type (Blue-White) star located in the constellation Cassiopeia. It carries the designation 1 Cas.
At a distance of roughly 1,129 light-years, 1 Cas is a distant star lying deep within the Milky Way galaxy.
1 Cas is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.84, 1 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 -0.060.
Propriedades físicas
| Classe Espectral | B Class B — B-type (Blue-White) |
| Índice de cor (B−V) | -0,060 |
Observação
| Magnitude Aparente | +4.84 |
| Magnitude Absoluta | -2,86 |
| Distância | 1,129 ly |
| Constelação | Cassiopeia |
Posição
| Ascensão reta | 23h 6,61m |
| Declinação | 59° 25,19′ |
Frequently Asked Questions
What type of star is 1 Cas?
1 Cas is a Class B — B-type (Blue-White) star.
How far is 1 Cas from Earth?
1 Cas is approximately 1,128.6 light-years from Earth.
Can you see 1 Cas with the naked eye?
With an apparent magnitude of 4.84, 1 Cas is visible to the naked eye.
What constellation is 1 Cas in?
1 Cas is located in the constellation Cassiopeia.