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The GRB luminosity function in the internal shock model

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The intrinsic luminosity distribution of GRBs is currently poorly constrained by observations. In the framework of the internal shock model, it depends on the distribution of the kinetic energy injection rate in the relativistic outflow emerging from the central source and on the efficiency of internal shocks. We study the effect of this efficiency and show that it naturally leads a luminosity function with a high luminosity branch whose shape follows that of the kinetic injection rate, together with a power law tail at low luminosity.

Original languageEnglish
Title of host publicationGAMMA-RAY BURSTS IN THE SWIFT ERA
Subtitle of host publicationSixteenth Maryland Astrophysics Conference
Pages209-212
Number of pages4
DOIs
Publication statusPublished - 19 May 2006
Externally publishedYes
EventGAMMA-RAY BURSTS IN THE SWIFT ERA: 16th Maryland Astrophysics Conference - Washington, D.C., United States
Duration: 29 Nov 20052 Dec 2005

Publication series

NameAIP Conference Proceedings
Volume836
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceGAMMA-RAY BURSTS IN THE SWIFT ERA: 16th Maryland Astrophysics Conference
Country/TerritoryUnited States
CityWashington, D.C.
Period29/11/052/12/05

Keywords

  • Gamma-ray bursts
  • Gamma-ray sources
  • Luminosity and mass functions

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