Partial covering and ionised disc reflection in the NLS1 1H 0707-495

Details Partial covering and ionised disc reflection in the NLS1 1H 0707-495 Partial covering and ionised disc reflection in the NLS1 1H 0707-495

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xmm..prop....3g&link_type=abstract

XMM-Newton Proposal ID #04000601

Physics

Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, 1H 0707-495, Xmm-Newton Proposal 04000601

Scientific paper

The NLS1 1H 0707-495 exhibits a sharp spectral feature at around 7keV. The measured energy and sharpness of the feature implied K-absorption by neutral iron; however, the absence of a fluorescence line suggested a more complicated situation. It has recently been shown that this form of spectral complexity may be pervasive in all NLS1 to some degree. Both ionised disc reflection and partial-covering can be used to explain the observed broadband properties of 1H 0707, as both models reproduce very similar spectra in low-flux states. However, in higher flux states the two models will manifest very different spectral and timing properties. We propose to examine 1H 0707 at 5 epochs for 40ks each time to determine the flux-dependent behaviour of the NLS1, which will reveal a physical AGN model.

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