GRB 111209A
id:
grb-111209a-250-13609187
title:
GRB 111209A
text:
GRB 111209A is the longest lasting gamma-ray burst (GRB) detected by the Swift Gamma-Ray Burst Mission, observed on December 9, 2011. Its duration is longer than 7 hours, implying this event has a different kind of progenitor than normal long GRBs. It was first proposed that the progenitor of this event was a blue supergiant star with low metallicity. Later, it was also proposed that this event is the prototype of a new class of GRBs, ultra-long GRBs. The GRB was associated with the magnetar-pow
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/GRB_111209A
date created:
date modified:
2023-11-03T22:20:15Z
main entity:
{"identifier":"Q15120329","url":"https://www.wikidata.org/entity/Q15120329"}
image:
fields total:
13
integrity:
13