Nu3 Canis Majoris

ν3 Canis Majoris A/B
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Canis Major
Right ascension 06h 37m 53.4s
Declination −18° 14′ 15″
Apparent magnitude (V) +4.42/+8.4
Distance464 ± 41 ly
(142 ± 13 pc)
Spectral typeK1-II-III
Other designations
8 Canis Majoris, HR 2443, HD 47442, BD −18° 1492, HIP 31700, SAO 151730, GC 8660, CCDM 06379-1814

Nu3 Canis Majoris (ν3 CMa, ν3 Canis Majoris) is a binary star in the constellation Canis Major. It is approximately 464 light years from Earth.

The primary component, ν3 Canis Majoris A, is an orange K-type bright giant with an apparent magnitude of +4.42. Its companion, ν3 Canis Majoris A, is 1.04 arcseconds distant and has an apparent magnitude of +8.4.


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