Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21915317c&link_type=abstract
American Astronomical Society, AAS Meeting #219, #153.17
Astronomy and Astrophysics
Astronomy
Scientific paper
The emission properties of Black Hole X-ray Binaries (BHXRBs) are commonly studied either in terms of their energy spectrum (counts per energy channel) or in terms of their variability properties by means of power spectral density. Each of these can be modelled separately using X-ray analysis packages, however energy spectra and frequency power spectra have not been modelled simultaneously so far to produce a self-consistent picture of the origin and transfer of variability in these systems. We discuss new techniques that use frequency and energy-dependent cross-spectra in different energy channels to model variability and spectral information simultaneously. The powerful combination of spectral and timing information will allow us to 'reverberation map' the emitting regions close to the black hole and measure the propagation of signals through the accretion flow.
Cassatella Pablo
Davis Jesse E.
Houck John
Uttley Phil
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