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Omicron¹ Canis Majoris
Star
Omicron¹ Canis Majoris is a red supergiant star in the constellation Canis Major. It is also a variable star. Wikipedia
Magnitude: 3.89
Constellation: Canis Major
Apparent magnitude (V): 3.89
B−V color index: +1.73
Distance: approx. 1,300 ly; (approx. 390 pc)
Radius: 212 R☉
SIMBAD: data