40 Cas
40 Cas
40 Cas is a G-type (Yellow) star located in the constellation Cassiopeia. It carries the designation 40 Cas.
Located approximately 458.1 light-years from Earth, 40 Cas resides within the broader disk of our Milky Way galaxy.
40 Cas is classified as a spectral class G star (G-type (Yellow)) on the Harvard spectral classification system.
With an apparent magnitude of +5.28, 40 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 hue, which corresponds to a B-V color index of +0.972.
Physical Properties
| Spectral Class | Class G — G-type (Yellow) |
| Color Index (B−V) | 0.972 |
Observation
| Apparent Magnitude | +5.28 |
| Absolute Magnitude | -0.46 |
| Distance | 458 ly |
| Constellation | Cassiopeia |
Position
| Right Ascension | 1h 38.52m |
| Declination | 73° 2.40′ |
Frequently Asked Questions
What type of star is 40 Cas?
40 Cas is a Class G — G-type (Yellow) star.
How far is 40 Cas from Earth?
40 Cas is approximately 458.1 light-years from Earth.
Can you see 40 Cas with the naked eye?
With an apparent magnitude of 5.28, 40 Cas is visible to the naked eye.
What constellation is 40 Cas in?
40 Cas is located in the constellation Cassiopeia.