30Mu Cas
30Mu Cas
30Mu Cas is a G-type (Yellow) star located in the constellation Cassiopeia. It carries the designation 30Mu Cas.
30Mu Cas lies approximately 24.6 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 24 years ago.
30Mu Cas is classified as a spectral class G star (G-type (Yellow)) on the Harvard spectral classification system.
With an apparent magnitude of +5.17, 30Mu 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 yellow-white hue, which corresponds to a B-V color index of +0.704.
Physical Properties
| Spectral Class | Class G — G-type (Yellow) |
| Color Index (B−V) | 0.704 |
Observation
| Apparent Magnitude | +5.17 |
| Absolute Magnitude | 5.78 |
| Distance | 24.6 ly |
| Constellation | Cassiopeia |
Position
| Right Ascension | 1h 8.25m |
| Declination | 54° 55.22′ |