857 citations · 1.5k across the 7 of their papers we have counts for
Showing 2007Show all
2 papers · 1 filter
astro-ph2007★ 245 cited
Implications of very rapid TeV variability in blazars
Mitchell C. Begelman, Andrew C. Fabian, Martin J. Rees
We discuss the implications of rapid (few-minute) variability in the TeV flux of blazars, which has been observed recently with the HESS and MAGIC telescopes. The variability times…
astro-ph2007★ 181 cited
A new method of determining the initial size and Lorentz factor of gamma-ray burst fireballs using a thermal emission component
Asaf Pe'er, Felix Ryde, Ralph A. M. J. Wijers +2
In recent years increasing evidence has emerged for a thermal component in the gamma- and X-ray spectrum of the prompt emission phase in gamma-ray bursts. The temperature and flux…