Nu1 Canis Majoris

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For other star systems with this Bayer designation, see Nu Canis Majoris.
ν1 Canis Majoris A/B
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Canis Major
Right ascension 06h 36m 22.8s
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
6 Canis Majoris, HR 2423, HD 47138, BD −18° 1480, HIP 31564, SAO 151694, GC 8614, ADS 5253, CCDM 06364-1840

Nu1 Canis Majoris1 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.