Astronomy and Astrophysics – Astrophysics – High Energy Astrophysical Phenomena
Scientific paper
2011-04-22
Astronomy and Astrophysics
Astrophysics
High Energy Astrophysical Phenomena
5 pages, 1 figure, Conference proceeding of Fast X-ray timing and spectroscopy at extreme count rates: Science with the HTRS o
Scientific paper
In this paper, we present the re-analysis of a set of RXTE-PCA observations of OAO 1657-415 during 1997 August 20-27. We found a revised timing solution which was found to fit better to the data and updated pulse frequency values accordingly. We also verified that there is a marginal correlation between the gradual spin-up (or decrease in spin-down rate) and increase in X-ray luminosity as suggested by Baykal (2000).
Baykal Ahmet
Beklen Elif
Icdem Burcin
Inam Sitki Cagdas
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