thumb|upright=2.0|Pulsations of [[S Orionis, showing dust production and masers (ESO)]]

The descriptive term long-period variable (LPV) star refers to various groups of cool luminous pulsating variable stars.

Types of variation

The General Catalogue of Variable Stars does not define a long-period variable star type, although it does describe Mira variables as long-period variables.

  • GCVS Variability Types
  • AAVSO Long Period Variable Section
  • OGLE Atlas of Variable Star Light Curves - Long Period Variables