Some Recent Peculiarities of the Early Afterglow

Tsvi Piran; Ehud Nakar; Jonathan Granot

doi:10.1063/1.1810827

Some Recent Peculiarities of the Early Afterglow

Tsvi Piran
, Ehud Nakar
, Jonathan Granot

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

We consider some recent developments in GRB/afterglow observations: (i) the appearance of a very hard prompt component in GRB 941017, and (ii) variability in the early afterglow light curves of GRB 021004 and GRB 030329. We show that these observations fit nicely within the internal-external shocks model. The observed variability indicates that the activity of the inner engine is more complicated than was thought earlier and that it involves patchy shells and refreshed shocks. We refute the claims of Berger et al. and of Sheth et al. that the radio and mm observations of GRB 030329 are inconsistent with refreshed shocks.

Original language	English
Title of host publication	AIP Conference Proceedings
Editors	E.E. Fenimore, M. Galassi
Publisher	American Institute of Physics
Pages	181-186
Number of pages	6
Edition	1
ISBN (Electronic)	0735402086, 9780735402089
DOIs	https://doi.org/10.1063/1.1810827
State	Published - 28 Sep 2004
Externally published	Yes
Event	2003 Gamma-Ray Burst Symposium - Sante Fe, United States Duration: 8 Sep 2003 → 12 Sep 2003

Publication series

Name	AIP Conference Proceedings
Number	1
Volume	727
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	2003 Gamma-Ray Burst Symposium
Country/Territory	United States
City	Sante Fe
Period	8/09/03 → 12/09/03

Bibliographical note

Publisher Copyright:
© 2004 American Institute of Physics.

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10.1063/1.1810827

Cite this

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abstract = "We consider some recent developments in GRB/afterglow observations: (i) the appearance of a very hard prompt component in GRB 941017, and (ii) variability in the early afterglow light curves of GRB 021004 and GRB 030329. We show that these observations fit nicely within the internal-external shocks model. The observed variability indicates that the activity of the inner engine is more complicated than was thought earlier and that it involves patchy shells and refreshed shocks. We refute the claims of Berger et al. and of Sheth et al. that the radio and mm observations of GRB 030329 are inconsistent with refreshed shocks.",

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N2 - We consider some recent developments in GRB/afterglow observations: (i) the appearance of a very hard prompt component in GRB 941017, and (ii) variability in the early afterglow light curves of GRB 021004 and GRB 030329. We show that these observations fit nicely within the internal-external shocks model. The observed variability indicates that the activity of the inner engine is more complicated than was thought earlier and that it involves patchy shells and refreshed shocks. We refute the claims of Berger et al. and of Sheth et al. that the radio and mm observations of GRB 030329 are inconsistent with refreshed shocks.

AB - We consider some recent developments in GRB/afterglow observations: (i) the appearance of a very hard prompt component in GRB 941017, and (ii) variability in the early afterglow light curves of GRB 021004 and GRB 030329. We show that these observations fit nicely within the internal-external shocks model. The observed variability indicates that the activity of the inner engine is more complicated than was thought earlier and that it involves patchy shells and refreshed shocks. We refute the claims of Berger et al. and of Sheth et al. that the radio and mm observations of GRB 030329 are inconsistent with refreshed shocks.

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T2 - 2003 Gamma-Ray Burst Symposium

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ER -

Some Recent Peculiarities of the Early Afterglow

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