4 Cas
4 Cas
4 Cas is a M-type (Red) star located in the constellation Cassiopeia. It carries the designation 4 Cas.
Located approximately 785.9 light-years from Earth, 4 Cas resides within the broader disk of our Milky Way galaxy.
4 Cas is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
With an apparent magnitude of +4.96, 4 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 red hue, which corresponds to a B-V color index of +1.676.
Propriedades físicas
| Classe Espectral | M Class M — M-type (Red) |
| Índice de cor (B−V) | 1,676 |
Observação
| Magnitude Aparente | +4.96 |
| Magnitude Absoluta | -1,95 |
| Distância | 786 ly |
| Constelação | Cassiopeia |
Posição
| Ascensão reta | 23h 24,84m |
| Declinação | 62° 16,97′ |
Frequently Asked Questions
What type of star is 4 Cas?
4 Cas is a Class M — M-type (Red) star.
How far is 4 Cas from Earth?
4 Cas is approximately 785.9 light-years from Earth.
Can you see 4 Cas with the naked eye?
With an apparent magnitude of 4.96, 4 Cas is visible to the naked eye.
What constellation is 4 Cas in?
4 Cas is located in the constellation Cassiopeia.