| Observation data Epoch J2000.0 Equinox J2000.0 |
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|---|---|
| Constellation | Canis Major |
| Right ascension | 07h01m43.1s |
| Declination | −27°56′05″ |
| Apparent magnitude (V) | +3.49 |
| Distance | 1220 ± 270 ly (373 ± 82 pc) |
| Spectral type | K7Ib |
| Other designations | |
Sigma Canis Majoris (σ CMa, σ Canis Majoris) is a star in the constellation Canis Major. It is approximately 1220 light years from Earth.
σ Canis Majoris is an orange K-type supergiant with a mean apparent magnitude of +3.49. It is classified as an irregular variable star and its brightness varies from magnitude +3.43 to +3.51.
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