Do Pulsars Make Supernovae?

Abstract

It is shown that both supernova remnants and visual supernovae requirecontinuous energy input. The characteristics of pulsars, known to beassociated with supernova remnants, make them ideal candidates for thisenergy source; in this picture both the expansion kinetic energy and thevisual output are provided by the rotation of a neutron-star remnant.Comparisons with observations are made for the Crab Nebula, Vel X, CasA, and i~ Car