| Observation data Epoch J2000.0 Equinox J2000.0 |
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|---|---|
| Constellation | Canis Major |
| Right ascension | 06h36m22.8s |
| Declination | −18°39′36″ |
| Apparent magnitude (V) | +5.71/+7.65 |
| Absolute magnitude (V) | +1.06/+3.00 |
| Distance | 277 ± 28 ly (85 ± 9 pc) |
| Spectral type | G8III+F3IV-V |
| Other designations | |
Nu1 Canis Majoris (ν1 CMa, ν1 Canis Majoris) is a binary star in the constellation Canis Major. It is approximately 277 light years from Earth.
The primary component, ν1 Canis Majoris A, is a yellow G-type giant with an apparent magnitude of +5.71. Its companion, ν1 Canis Majoris B is a yellow-white F-type main sequence star with an apparent magnitude of +7.65.
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