Properties of Swift's intermediate bursts

P. Veres, A. De Ugarte Postigo, I. Horvath, Z. Bagoly, D. A. Kann, C. C. Thöne, L. G. Balazs, P. D'Avanzo, M. A. Aloy, S. Foley, S. Campana, J. Mao, P. Jakobsson, S. Covino, J. P.U. Fynbo, J. Gorosabel, A. J. Castro-Tirado, M. Nardini, L. Amati

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


Based on their prompt, high-energy emission, gamma-ray bursts are usually classified into short-duration and long-duration classes. A third intermediate group has been identified on statistical grounds but its individual properties have not yet been studied in detail. Using the large sample of follow-up observations of GRBs produced during the Swift era we analyze the individual characteristics of this group. We find that intermediate bursts are significantly different from short GRBs but share many properties with long bursts, probably pointing to a common progenitor type. However, we find that intermediate bursts are significantly dimmer and have on average lower redshifts.

Original languageEnglish
Title of host publicationGamma Ray Bursts 2010, GRB 2010
Number of pages4
Publication statusPublished - Sep 12 2011
EventGamma Ray Bursts 2010, GRB 2010 - Annapolis, MD, United States
Duration: Nov 1 2010Nov 4 2010

Publication series

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


OtherGamma Ray Bursts 2010, GRB 2010
CountryUnited States
CityAnnapolis, MD


  • Bursts
  • Gamma rays

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Veres, P., De Ugarte Postigo, A., Horvath, I., Bagoly, Z., Kann, D. A., Thöne, C. C., Balazs, L. G., D'Avanzo, P., Aloy, M. A., Foley, S., Campana, S., Mao, J., Jakobsson, P., Covino, S., Fynbo, J. P. U., Gorosabel, J., Castro-Tirado, A. J., Nardini, M., & Amati, L. (2011). Properties of Swift's intermediate bursts. In Gamma Ray Bursts 2010, GRB 2010 (pp. 251-254). (AIP Conference Proceedings; Vol. 1358).