S Persei

Object type

  • Red supergiant
  • Star
  • Double or multiple star
  • Emission-line Star
  • Infra-Red source
  • Maser
  • Semi-regular pulsating Star
  • Variable Star
simbad:V* S Per


S Persei is a red supergiant located near the Double Cluster in Perseus, north of the cluster NGC 869. It is a member of the Perseus OB1 association and one of the largest known stars. It is also a semiregular variable, a star whose variations are less regular than those of Mira variables.

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