Estrella variable eruptiva

Els estels variables eruptives són una classe d'estels que inclouen diversos tipus d'estels variables. La lluminositat de les variables eruptives varia a causa de violents processos que tenen lloc en la cromosfera i en la corona estel·lar. Aquestes variacions de lluminositat són causades per erupcions i en alguns casos -si l'erupció és de gran entitat- poden provocar l'expulsió de les capes més externes de l'estel cap a l'espai circumdant.

Els diversos tipus de variables eruptives inclouen:

Aquest tipus de variables no han de ser confoses amb les variables cataclísmiques.[1]

Referències

  1. ↑ Eruptive variable. The internet Encyclopedia of Science

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