Tags: Star.
Delta Canis Majoris (δ CMa δ Canis Majoris) is a star in the constellation Canis Major. It has the traditional name Wezen or Wesen. It is a yellow-white F-type supergiant with an apparent magnitude of +1.83. Since 1943 the spectrum of this star has served as one of the stable anchor points by which other stars are classified.
