Physics
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21110212s&link_type=abstract
American Astronomical Society, AAS Meeting #211, #102.12; Bulletin of the American Astronomical Society, Vol. 39, p.919
Physics
Scientific paper
Rapid variability and the spectral energy distribution are both powerful probes of the accretion-flow physics of neutron star X-ray binaries. Significant progress has been made over the last decade with the wealth of data provided by the current suite of orbiting high-energy observatories. Notably, in the temporal domain the power density spectra (PDS) exhibit a variety of features ranging from narrow quasi-periodic oscillations (QPOs) to broad noise components. Progress in the spectral domain has also been significant leading to refined understanding of the separate physical components of the binary systems; in particular, an accretion disk and boundary layer and line-emitting regions. However, more powerful methods of study though are ones which can simultaneously probe temporal and spectral characteristics. In this context, we describe the method of Fourier-resolved spectroscopy and its application to source Serpens X-1, which has also been recently reported to have a broad Fe K-alpha feature which has been interpreted in the context of relativistic effects, undergoes type-I X-ray bursts, and exhibits color-color behavior typical of atoll sources.
Kazanas Demos
Reig Pablo
Shrader Chris R.
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