What made GRBs 060505 and 060614?
P. Jakobsson, J. P. U. Fynbo
TL;DR
This paper reviews the unique properties of two nearby long-duration gamma-ray bursts without associated supernovae, exploring whether they represent a new class of stellar death phenomena.
Contribution
It provides a comprehensive review of the observational features of GRBs 060505 and 060614 and discusses the necessity for a revised GRB classification scheme.
Findings
GRBs 060505 and 060614 lack associated supernovae
They exhibit long durations but no typical supernova signatures
These bursts may constitute a new class of stellar death events
Abstract
Recent observations of two nearby SN-less long-duration gamma-ray bursts (GRBs), which share no obvious characteristics in their prompt emission, suggest a new phenomenological type of massive stellar death. Here we briefly review the observational properties of these bursts and their proposed hosts, and discuss whether a new GRB classification scheme is needed.
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Taxonomy
TopicsGamma-ray bursts and supernovae