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

doi:10.1393/ucb/i2007-10246-5

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

Astronomy & Astrophysics

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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 language	English (US)
Pages (from-to)	1297-1301
Number of pages	5
Journal	Nuovo Cimento della Societa Italiana di Fisica B
Volume	121
Issue number	10-11
DOIs	https://doi.org/10.1393/ucb/i2007-10246-5
State	Published - Oct 2006

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1393/ucb/i2007-10246-5

Cite this

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title = "Rest frame light curves of Swift GRBs",

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.",

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

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journal = "Nuovo Cimento della Societa Italiana di Fisica B",

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TY - JOUR

T1 - Rest frame light curves of Swift GRBs

AU - Mangano, V.

AU - La Parola, V.

AU - Troja, E.

AU - Cusumano, G.

AU - Mineo, T.

AU - Burrows, D.

AU - Campana, S.

AU - Capalbi, M.

AU - Chincarini, G.

AU - Gehrels, N.

AU - Giommi, P.

AU - Moretti, A.

AU - Perri, M.

AU - Romano, P.

AU - Tagliaferri, G.

PY - 2006/10

Y1 - 2006/10

N2 - 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.

AB - 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.

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SP - 1297

EP - 1301

JO - Nuovo Cimento della Societa Italiana di Fisica B

JF - Nuovo Cimento della Societa Italiana di Fisica B

IS - 10-11

ER -

Rest frame light curves of Swift GRBs

Abstract

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