type II supernova

(redirected from Core collapse supernova)

type II supernova

[′tīp ¦tü ¦sü·pər′nō·və]
(astronomy)
A member of a class of supernovae that display prominent lines of hydrogen in their spectra and have irregular light curves; they are believed be explosions of young massive stars, still in possession of their hydrogenic surface layers.
References in periodicals archive ?
This is an unusual exploding star, called SN 1995N, that is thought to be the result of the final collapse of a massive star at the end of its life, a so-called core collapse supernova.