Does the GRB Duration Depend on Redshift?

Author:

Horvath IstvanORCID,Racz Istvan I.ORCID,Bagoly ZsoltORCID,Balázs Lajos G.ORCID,Pinter SandorORCID

Abstract

Several hundred gamma-ray burst (GRB) redshifts have been determined to date. One of the other important properties—besides the distance—of the GRBs is the duration of the burst. In this paper, we analyse these two important quantities of the phenomena. In this paper, we map the two-dimensional distribution and explore some suspicious areas. As it is well known that the short GRBs are closer than the others, we search for parts in the Universe where the GRB duration is different from the others. We also analyse whether there are any ranges in the duration where the redshifts differ. We find some suspicious areas, however, no other significant region was found than the short GRB region.

Funder

Hungarian Scientific Research Fund

Tématerületi Kiválósági Program

Publisher

MDPI AG

Subject

General Physics and Astronomy

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