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Implications of the Visible and X-Ray Counterparts to GRB 970228

Katz, J. I. and Piran, T. and Sari, R. (1998) Implications of the Visible and X-Ray Counterparts to GRB 970228. Physical Review Letters, 80 (8). pp. 1580-1581. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:KATprl98

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Abstract

We propose that the visible and x-ray emission associated with the cosmic gamma-ray burst GRB 970228 but following it by hours and days was produced by a weaker continuation of the processes which produced the gamma-ray burst itself. This hypothesis predicts an instantaneous spectrum Fν∝ν-1/2, resulting from radiative cooling of synchrotron-emitting electrons, at frequencies from the infrared to x rays and higher. The limited data support this prediction.


Item Type:Article
Additional Information:©1998 The American Physical Society Received 23 April 1997; revised 31 December 1997 We thank NASA, NSF, and the U.S.-Israel BSF for support. J.I.K. thanks Washington University for the grant of sabbatical leave and the Hebrew University for hospitality.
Record Number:CaltechAUTHORS:KATprl98
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:KATprl98
Alternative URL:http://dx.doi.org/10.1103/PhysRevLett.80.1580
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3414
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:06 Jun 2006
Last Modified:26 Dec 2012 08:54

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