9 Cas
9 Cas
9 Cas is a A-type (White) star located in the constellation Cassiopeia. It carries the designation 9 Cas.
9 Cas is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.
9 Cas is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.90, 9 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-white hue, which corresponds to a B-V color index of +0.274.
Physical Properties
| Spectral Class | Class A — A-type (White) |
| Color Index (B−V) | 0.274 |
Observation
| Apparent Magnitude | +5.90 |
| Absolute Magnitude | -14.10 |
| Distance | 326,156 ly |
| Constellation | Cassiopeia |
Position
| Right Ascension | 0h 4.23m |
| Declination | 62° 17.26′ |
Frequently Asked Questions
What type of star is 9 Cas?
9 Cas is a Class A — A-type (White) star.
How far is 9 Cas from Earth?
9 Cas is approximately 326,156.0 light-years from Earth.
Can you see 9 Cas with the naked eye?
With an apparent magnitude of 5.90, 9 Cas is visible to the naked eye.
What constellation is 9 Cas in?
9 Cas is located in the constellation Cassiopeia.