Iota Canis Majoris

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ι Canis Majoris
Observation data
Epoch J2000.0
Constellation Canis Major
Right ascension 06h56m08.2s
Declination −17°03′15″
Apparent magnitude (V) +4.36
Distance 3100 ± 1900 ly
(940 ± 580 pc)
Spectral type B3II
Other designations
20 Canis Majoris, HR 2596, HD 51309, BD−16°1661, FK5 2536, HIP 33347, SAO 152126, GC 9107

Iota Canis Majoris (ι CMa / ι Canis Majoris) is a star in the constellation Canis Major.

ι Canis Majoris is a blue-white B-type bright giant with a mean apparent magnitude of +4.36. It is approximately 3100 light years from Earth. It is classified as a Beta Cephei type variable star and its brightness varies from magnitude +4.36 to +4.40 with a period of 1.92 hours.