A Test on Distribution of Opening Angles of Beamed GRBs

Details A Test on Distribution of Opening Angles of Beamed GRBs A Test on Distribution of Opening Angles of Beamed GRBs

Aug 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aipc.1358..325h&link_type=abstract

GAMMA RAY BURSTS 2010. AIP Conference Proceedings, Volume 1358, pp. 325-328 (2011).

Computer Science

Brightness, Redshift, Accretion, Stellar Winds, Magnitudes And Colors, Luminosities, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies, Accretion And Accretion Disks, Mass Loss And Stellar Winds

Scientific paper

In this work we are interested on distributions of GRB's opening angles and the Ghirlanda relation. By Monte Carlo simulations we generate a population of GRBs with a given red shift, spectrum, luminosity and time duration, according to the best known functions and distributions. Then observed properties like peak energy and peak flux are computed in the frame of the SSM and compared to the logN-logP diagram of BATSE sample and the peak energy distribution of BATSE, HETE and Swift. We draw conclusions about the proposed models of beaming distributions and also discuss about the Ghirlanda relation, linking peak energy with collimation corrected energy of the bursts.

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