Fast spectral variability in the x-ray emission of accreting black holes [electronic resource] / Chris Skipper.
2015
QB472
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Title
Fast spectral variability in the x-ray emission of accreting black holes [electronic resource] / Chris Skipper.
Author
Skipper, Chris, author.
ISBN
9783319095875 electronic book
3319095870 electronic book
9783319095868
3319095862
3319095870 electronic book
9783319095868
3319095862
Published
Cham : Springer, [2015]
Copyright
©2015
Language
English
Description
1 online resource.
Item Number
10.1007/978-3-319-09587-5 doi
Call Number
QB472
Dewey Decimal Classification
522.6863
Summary
This thesis brings together the various techniques of X-ray spectral analysis in order to examine the properties of black holes that vary in mass by several orders of magnitude. In all these systems it is widely accepted that the X-ray emission is produced by Compton up-scattering of lower energy seed photons in a hot corona or accretion flow, and here these processes are examined through a study of the X-ray spectral variability of each source. A new technique is introduced, in which models are fitted to over 2 million X-ray spectra on time-scales as short as 16 ms, and subsequently it is shown that the nature of the correlation between intensity and spectral index is strongly dependent upon the spectral state of the black hole. Finally, the results of an extensive survey of nearby galactic nuclei using the Chandra X-ray telescope are presented in the form of images and spectra, and these results are used along with data from the literature to search for Compton-thick nuclei.
Note
"Doctoral thesis accepted by the University of Southhampton, UK."
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Includes bibliographical references.
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Series
Springer theses.
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Fast spectral variability in the x-ray emission of accreting black holes
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Table of Contents
Declaration of Authorship
Acknowledgements
Introduction
AGN: Absorption, spectral classification and the optical emission lines
Very Fast X-ray Spectral Variability in Cygnus X-1
The m E? relationship in XRBs and AGN
Conclusions
Spectra of Compton-thick AGN
Spectra of Compton-thin AGN
References.
Acknowledgements
Introduction
AGN: Absorption, spectral classification and the optical emission lines
Very Fast X-ray Spectral Variability in Cygnus X-1
The m E? relationship in XRBs and AGN
Conclusions
Spectra of Compton-thick AGN
Spectra of Compton-thin AGN
References.