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Cosmology and the subclasses of the gamma-ray bursts

Published online by Cambridge University Press:  24 February 2011

Attila Mészáros ,
István Horváth ,
Jakub Řípa ,
Zsolt Bagoly ,
Lajos G. Balázs  and
Péter Veres
Attila Mészáros
Affiliation:
Charles University, Faculty of Mathematics and Physics, Astronomical Institute, Prague, Czech Republic, email: meszaros@cesnet.cz; ripa@sirrah.troja.mff.cuni.cz
István Horváth
Affiliation:
Dept. of Physics, Bolyai Military University, Budapest, POB 15, H-1581, Hungary, email: horvath.istvan@zmne.hu
Jakub Řípa
Affiliation:
Charles University, Faculty of Mathematics and Physics, Astronomical Institute, Prague, Czech Republic, email: meszaros@cesnet.cz; ripa@sirrah.troja.mff.cuni.cz
Zsolt Bagoly
Affiliation:
Dept. of Physics of Complex Systems, Eötvös University, H-1117 Budapest, Pázmány P. s. 1/A, Hungary, email: zsolt.bagoly@elte.hu; veresp@elte.hu
Lajos G. Balázs
Affiliation:
Konkoly Observatory, Budapest, POB 67, H-1525, Hungary, email: balazs@konkoly.hu
Péter Veres
Affiliation:
Dept. of Physics, Bolyai Military University, Budapest, POB 15, H-1581, Hungary, email: horvath.istvan@zmne.hu Dept. of Physics of Complex Systems, Eötvös University, H-1117 Budapest, Pázmány P. s. 1/A, Hungary, email: zsolt.bagoly@elte.hu; veresp@elte.hu
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Abstract

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Several statistical studies - done also by the authors of this contribution - show that there are three subclasses of gamma-ray bursts. They can be called as short, intermediate and long ones, because they can be separated with respect to their durations. The short and intermediate bursts are distributed anisotropically on the sky. This behavior is highly remarkable, and can have a cardinal impact on the cosmology. The subject of this contribution is a survey of this topic.

Keywords

gamma rays: burstsstars: Wolf-Rayetsupernovae: generalcosmology: early universe
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S275: Jets at all Scales , September 2010 , pp. 363 - 364
Copyright
Copyright © International Astronomical Union 2011

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