Core-collapse supernovae
type: Concept
narrower: Type Ib supernovae

Type Ib supernovae
type: Concept
contributor: AAS Frey.Katie Admin
broader: Core-collapse supernovae
definition: A Type I supernova that has neutral helium line (He I) at 5876 Å, and no strong silicon (Si II) absorption feature at 6150 Å. Type Ib supernovae are believed to result from the evolution of massive stars.
modified: 2020-11-04T21:47:57.807Z
modified: 2020-11-04T21:47:46.652Z