Aludra Eta Canis Majoris

Stellar classification



  • X 1760
  • Y -213
  • Z -901
→ Sol: 1,989

Object type

  • Blue supergiant
  • Star
  • Double or multiple star
  • Star in Cluster
  • Infra-Red source
  • Pulsating variable Star
  • UV-emission source
  • Variable Star
simbad:* eta CMa


Eta Canis Majoris (η Canis Majoris, abbreviated Eta CMa, η CMa), also named Aludra, is a star in the constellation of Canis Major. Since 1943, the spectrum of this star has served as one of the stable anchor points by which other stars are classified.

This article uses material from the Wikipedia article "Eta Canis Majoris", which is released under the Creative Commons Attribution-Share-Alike License 3.0.