A complete sample of long bright Swift gamma ray bursts

Gianpiero Tagliaferri; Ruben Salvaterra; Sergio Campana; Stefano Covino; Paolo D'Avanzo; Dino Fugazza; Giancarlo Ghirlanda; Gabriele Ghisellini; Andrea Melandri; Lara Nava; Boris Sbarufatti; Susanna Vergani

doi:10.1098/rsta.2012.0235

A complete sample of long bright Swift gamma ray bursts

Gianpiero Tagliaferri, Ruben Salvaterra, Sergio Campana, Stefano Covino, Paolo D'Avanzo, Dino Fugazza, Giancarlo Ghirlanda, Gabriele Ghisellini, Andrea Melandri, Lara Nava, Boris Sbarufatti, Susanna Vergani

Astronomy & Astrophysics

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Abstract

Complete samples are the basis of any population study. To this end, we selected a complete subsample of Swift long bright gamma ray bursts (GRBs). The sample, made up of 58 bursts, was selected by considering bursts with favourable observing conditions for ground-based follow-up observations and with the 15-150 keV 1 s peak flux above a flux threshold of 2.6 photons cm-2 s-1. This sample has a redshift completeness level higher than 90 per cent. Using this complete sample, we investigate the properties of long GRBs and their evolution with cosmic time, focusing in particular on the GRB luminosity function, the prompt emission spectralenergy correlations and the nature of dark bursts.

Original language	English (US)
Article number	20120235
Journal	Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Volume	371
Issue number	1992
DOIs	https://doi.org/10.1098/rsta.2012.0235
State	Published - Jun 13 2013

All Science Journal Classification (ASJC) codes

General Mathematics
General Engineering
General Physics and Astronomy

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Tagliaferri, G., Salvaterra, R., Campana, S., Covino, S., D'Avanzo, P., Fugazza, D., Ghirlanda, G., Ghisellini, G., Melandri, A., Nava, L., Sbarufatti, B., & Vergani, S. (2013). A complete sample of long bright Swift gamma ray bursts. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 371(1992), Article 20120235. https://doi.org/10.1098/rsta.2012.0235

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Tagliaferri, G, Salvaterra, R, Campana, S, Covino, S, D'Avanzo, P, Fugazza, D, Ghirlanda, G, Ghisellini, G, Melandri, A, Nava, L, Sbarufatti, B & Vergani, S 2013, 'A complete sample of long bright Swift gamma ray bursts', Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol. 371, no. 1992, 20120235. https://doi.org/10.1098/rsta.2012.0235

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AU - Tagliaferri, Gianpiero

AU - Salvaterra, Ruben

AU - Campana, Sergio

AU - Covino, Stefano

AU - D'Avanzo, Paolo

AU - Fugazza, Dino

AU - Ghirlanda, Giancarlo

AU - Ghisellini, Gabriele

AU - Melandri, Andrea

AU - Nava, Lara

AU - Sbarufatti, Boris

AU - Vergani, Susanna

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AB - Complete samples are the basis of any population study. To this end, we selected a complete subsample of Swift long bright gamma ray bursts (GRBs). The sample, made up of 58 bursts, was selected by considering bursts with favourable observing conditions for ground-based follow-up observations and with the 15-150 keV 1 s peak flux above a flux threshold of 2.6 photons cm-2 s-1. This sample has a redshift completeness level higher than 90 per cent. Using this complete sample, we investigate the properties of long GRBs and their evolution with cosmic time, focusing in particular on the GRB luminosity function, the prompt emission spectralenergy correlations and the nature of dark bursts.

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A complete sample of long bright Swift gamma ray bursts

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