The low-luminosity tail of the GRB distribution: The case of GRB 980425

F. Daigne; R. Mochkovitch

doi:10.1393/ncc/i2005-10041-5

The low-luminosity tail of the GRB distribution: The case of GRB 980425

F. Daigne
, R. Mochkovitch

École Polytechnique

Institut d’Astrophysique de Paris

Research output: Contribution to journal › Article › peer-review

Abstract

The association of GRB 980425 with the nearby supernova SN 1998bw at z = 0.0085 implies the existence of a population of GRBs with an isotropic-equivalent luminosity which is about 104 times smaller than in classical cosmic GRBs. We investigate two scenarios to explain the peculiar properties of GRB 980425: a normal (intrinsically bright) GRB seen off-axis or an intrinsically weak GRB seen on-axis.

Original language	English
Pages (from-to)	283-286
Number of pages	4
Journal	Nuovo Cimento della Societa Italiana di Fisica C
Volume	28
Issue number	3
DOIs	https://doi.org/10.1393/ncc/i2005-10041-5
Publication status	Published - 1 Jan 2005

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abstract = "The association of GRB 980425 with the nearby supernova SN 1998bw at z = 0.0085 implies the existence of a population of GRBs with an isotropic-equivalent luminosity which is about 104 times smaller than in classical cosmic GRBs. We investigate two scenarios to explain the peculiar properties of GRB 980425: a normal (intrinsically bright) GRB seen off-axis or an intrinsically weak GRB seen on-axis.",

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AB - The association of GRB 980425 with the nearby supernova SN 1998bw at z = 0.0085 implies the existence of a population of GRBs with an isotropic-equivalent luminosity which is about 104 times smaller than in classical cosmic GRBs. We investigate two scenarios to explain the peculiar properties of GRB 980425: a normal (intrinsically bright) GRB seen off-axis or an intrinsically weak GRB seen on-axis.

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The low-luminosity tail of the GRB distribution: The case of GRB 980425

Abstract

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