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Thermalization in Relativistic Outflows and the Correlation between Spectral Hardness and Apparent Luminosity in Gamma-ray Bursts
C. Thompson, P. Meszaros, M. J. Rees
We present an interpretation of the phenomenological relations between the spectral peak, isotropic luminosity and duration of long gamma ray bursts that have been discovered by Am…
Gamma-Ray Bursts
P. Meszaros
Gamma-ray bursts are the most luminous explosions in the Universe, and their origin and mechanism are the focus of intense research and debate. More than three decades after their…
Dissipative Photosphere Models of Gamma-ray Bursts and X-ray Flashes
M. J. Rees, P. Meszaros
We consider dissipative effects occurring in the optically thick inner parts of the relativistic outflows producing gamma-ray bursts and X-ray flashes, emphasizing specially the Co…
The Swift Gamma-Ray Burst Mission
N. Gehrels, G Chincarini, P. Giommi +12
The Swift mission, scheduled for launch in early 2004, is a multiwavelength observatory for gamma-ray burst (GRB) astronomy. It is the first-of-its-kind autonomous rapid-slewing sa…
Gamma-ray bursts as X-ray depth-gauges of the Universe
P. Meszaros, M. J. Rees
We discuss the X-ray flux of gamma-ray burst afterglows at redshifts in the range 3-30, including the effects of the intergalactic He II absorption. We point out that strong X-ray…
X-ray Rich GRB, Photospheres and Variability
P. Meszaros, E. Ramirez-Ruiz, M. J. Rees +1
We investigate the relationship between the quasi-thermal baryon-related photosphere in relativistic outflows, and the internal shocks arising outside them, which out to a limiting…