Rest frame light curves of Swift GRBs

V. Mangano, V. La Parola, E. Troja, G. Cusumano, T. Mineo, D. Burrows, S. Campana, M. Capalbi, G. Chincarini, N. Gehrels, P. Giommi, A. Moretti, M. Perri, P. Romano, G. Tagliaferri

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We have computed the luminosity rest frame light curves of the first 40 Gamma-Ray Bursts (GRBs) detected by Swift with well-established redshift. We studied average properties of the light curves in the four subsamples of bursts given by z < 1, 1 < z < 2, 2 < z ≲ 4, and z ≳ 4. We conclude that all the last three subsamples share the same morphology and the same luminosity range. Very high redshift (z ≳ 4) GRBs detected up to now are not intrinsically longer than lower redshift long GRBs. Nearby long GRBs (z < 1) are fainter than average. Possible selection effects are under investigation.

Original languageEnglish (US)
Pages (from-to)1297-1301
Number of pages5
JournalNuovo Cimento della Societa Italiana di Fisica B
Volume121
Issue number10-11
DOIs
StatePublished - Oct 1 2006

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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