南京大学, 南京大学-天文与空间科学学院, 副教授
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Synchrotron Origin of the Typical GRB Band Function—A Case Study of GRB 130606B
*Zhang Bin-Bin; Uhm Z. Lucas; Connaughton Valerie; Briggs Michael S.; Zhang Bing
Astrophysical Journal, 816, pp 72, 2016
Summary
We perform a time-resolved spectral analysis of GRB 130606B within theframework of a fast-cooling synchrotron radiation model with magneticfield strength in the emission region decaying with time, as proposed byUhm & Zhang. The data from all time intervals can be successfullyfit by the model. The same data can be equally well fit by the empiricalBand function with typical parameter values. Our results, which involveonly minimal physical assumptions, offer one natural solution to theorigin of the observed GRB spectra and imply that, at least some, if notall, Band-like GRB spectra with typical Band parameter values can indeedbe explained by synchrotron radiation.
Keywords
gamma-ray burst; general
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