Published May 22, 2008
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Multiwaveband analysis of brightest GRB070125
Abstract
We present a comprehensive multiwavelength analysis of the bright, long duration gamma-ray burst GRB 070125, comprised of observations in gamma-ray, X-ray, optical, millimeter and centimeter wavebands. Radio light curves show rapid flux variations, which are interpreted as due to interstellar scintillation, and are used to derive an upper limit of 2.4×10^17 cm on the radius of the fireball. Radio light curves and spectra suggest that the afterglow shock wave is moving in a dense medium. Our broadband modeling favors a constant density profile for the circumburst medium over a wind-like profile (R^−2). GRB 070125 is a burst with high radiative efficiency (>60%).
Additional Information
©2008 American Institute of Physics. Issue Date: May 22, 2008. PC thanks the VLA staff for making radio observations. We thank Sarah Yost for providing us the GRB broadband modeling code and helping out in running the code. RAC was supported in part by NASA grant NNG06GJ33G.Attached Files
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Additional details
- Eprint ID
- 10656
- Resolver ID
- CaltechAUTHORS:CHAaipcp08
- NNG06GJ33G
- NASA
- Created
-
2008-05-29Created from EPrint's datestamp field
- Updated
-
2023-06-01Created from EPrint's last_modified field
- Caltech groups
- Division of Geological and Planetary Sciences
- Series Name
- AIP Conference Proceedings
- Series Volume or Issue Number
- 1000