| Observation data Epoch J2000.0 Equinox J2000.0 |
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|---|---|
| Constellation | Canis Major |
| Right ascension | 07h14m48.7s |
| Declination | −26°46′22″ |
| Apparent magnitude (V) | +4.01 |
| Distance | 920 ± 150 ly (283 ± 47 pc) |
| Spectral type | B2IV-Ve |
| Other designations | |
Omega Canis Majoris (ω CMa, ω Canis Majoris) is a star in the constellation Canis Major.
ω Canis Majoris is a blue-white B-type subgiant with a mean apparent magnitude of +4.01. It is approximately 920 light years from Earth. It is classified as a Gamma Cassiopeiae type variable star and its brightness varies from magnitude +3.60 to +4.18.
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