Computer Science
Scientific paper
Nov 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010phdt........89z&link_type=abstract
ProQuest Dissertations And Theses; Thesis (M.Sc.)--McGill University (Canada), 2010.; Publication Number: AAT MR72984; ISBN: 978
Computer Science
Scientific paper
Type I X-ray bursts in low-mass X-ray binaries are well understood to be due to thermonuclear ashes from accreting neutron stars. Previous work on the modeling of bursts from GS 1826-24 has had good results in reproducing the main bursting characteristics, particularly the lightcurves. We show that with a simple model for a spreading burning front, we are able to build on those previous results and improve the agreement in the lightcurves as well as find good agreement with the evolution of the burst spectrum. We also investigate the decrease in inferred emission area observed in bursts from this same source at very late times during the bursts. We show that with a very simple model for Comptonization of a blackbody spectrum, we were able to reproduce, and thus provide a possible explanation for, the observed behaviour of the spectrum.
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