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GRB 980329: Determining Density Without a Redshift

Yost, S. A. (2003) GRB 980329: Determining Density Without a Redshift. In: Gamma-Ray Burst and Afterglow Astronomy 2001. AIP Conference Proceedings. No.662. American Institute of Physics , Melville, N.Y., pp. 369-371. ISBN 0-7354-0122-5

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We fit models to the late-time broadband dataset of gamma-ray burst (GRB) 980329. Despite being limited by sparse early optical data and no redshift measurement, we determine some parameters of the afterglow and its host robustly. The fireball expanded into a relatively dense medium with n ~ 200 cm^(-3). The host is far bluer than the afterglow, and is not compatible with high z ~ 5.

Item Type:Book Section
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Additional Information:© 2003 American Institute of Physics. Issue Date: 14 April 2003.
Subject Keywords:gamma-ray sources (astronomical), afterglows, red shift
Classification Code:PACS: 98.70.Rz
Record Number:CaltechAUTHORS:20111028-134109317
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Official Citation:GRB 980329: Determining Density Without a Redshift S. A. Yost, AIP Conf. Proc. 662, 369 (2003), DOI:10.1063/1.1579381
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:27496
Deposited By: Ruth Sustaita
Deposited On:28 Oct 2011 21:02
Last Modified:26 Dec 2012 14:20

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