الفهرس 
The Physics of Neutron StarsOnly 14 pages are availabe for public view
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Abstract
Magnetars are cosmic sources of high energy radiations that emit short, intense
bursts of X-rays and -rays. Studying the spectral and temporal properties of these
bursts allows us to identify the physical mechanism responsible for their emission
and to probe the interaction of radiation and matter at extreme conditions of temperature,
gravity, and magnetic field that cannot be reproduced in laboratories or
particle accelerators. Using the data obtained from NASA archives, We study burst
observations from SGR 1806-20 in order to investigate the spectral and temporal
characteristics of the source and examine possible correlations between the spectral
and temporal properties of the bursts. In search for the best-fit models of the burst
continuum, we study the bursts with ten trial models. We examine possible correlations
between the spectral and temporal parameters of the best-fit models. In our
analysis, we classify the bursts according to their temporal profile to single-peak,
multi-peak & multi-bursts and according to their duration to short and long burst
classes and we study each class separately. We discuss the physical interpretation
of the results and its implications on the magnetar properties and structure in the
context of the magnetar model.