| Observation data Epoch J2000.0 Equinox J2000.0 |
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|---|---|
| Constellation | Canis Major |
| Right ascension | 06h47m01.5s |
| Declination | −21°00′56″ |
| Apparent magnitude (V) | +6.07 |
| Distance | 668 ± 99 ly (205 ± 30 pc) |
| Spectral type | B7IIIn |
| Other designations | |
12 Canis Majoris is a star in the constellation Canis Major.
12 Canis Majoris is a blue-white B-type giant with a mean apparent magnitude of +6.07. It is approximately 668 light years from Earth. It is classified as an Alpha2 Canum Venaticorum type variable star and its brightness varies from magnitude +6.06 to +6.09 with a period of 2.18 days.
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