29 Canis Majoris
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| Observation data Epoch J2000.0 Equinox J2000.0 |
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|---|---|
| Constellation | Canis Major |
| Right ascension | 07h18m40.3s |
| Declination | −24°33′32″ |
| Apparent magnitude (V) | +4.88 |
| Absolute magnitude (V) | -4.93 |
| Distance | 3000 ± 1800 ly (920 ± 550 pc) |
| Spectral type | O7Ia:fp |
| Other designations | |
29 Canis Majoris is a star in the constellation Canis Major.
29 Canis Majoris is an O-type blue supergiant with a mean apparent magnitude of +4.88. It is approximately 3000 light years from Earth. It is classified as a Beta Lyrae type variable star and its brightness varies from magnitude +4.84 to +5.33 with a period of 4.39 days.
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