GRBs with no afterglow even in the swift era?

L. Vetere, David Nelson Burrows, N. Gehrels, Peter Istvan Meszaros, X. Wang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Thanks to its great capability Swift succeeds detecting an afterglow more than 93% of the time BAT triggers a new event. In a few cases, mainly Short GRBs or late observations, XRT did not detect any emission. However, for at least seven Long GRBs XRT could not measure any X-afterglow either, even as early as 100s after the BAT trigger The detection of this new class of GRBs without any X-ray emission has raised many questions. Are these extreme naked GRB? Is this a completely new class of objects with an uncommon emission release? In this contribution we present a study on these unusual events. We analyse their peculiar behaviour in the Gamma and X-ray bands and discuss their singular origin.

Original languageEnglish (US)
Title of host publicationProbing Stellar Populations Out To The Distant Universe - Cefalu 2008 - Proceedings of the International Conference
Pages370-373
Number of pages4
DOIs
StatePublished - Jul 21 2009
EventInternational Conference on Probing Stellar Populations Out To The Distant Universe, Cefalu 2008 - Cefalu, Sicily, Italy
Duration: Sep 7 2008Sep 19 2008

Publication series

NameAIP Conference Proceedings
Volume1111
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

OtherInternational Conference on Probing Stellar Populations Out To The Distant Universe, Cefalu 2008
CountryItaly
CityCefalu, Sicily
Period9/7/089/19/08

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Vetere, L., Burrows, D. N., Gehrels, N., Meszaros, P. I., & Wang, X. (2009). GRBs with no afterglow even in the swift era? In Probing Stellar Populations Out To The Distant Universe - Cefalu 2008 - Proceedings of the International Conference (pp. 370-373). (AIP Conference Proceedings; Vol. 1111). https://doi.org/10.1063/1.3141575