XMM-Newton Proposal 02049601

Details XMM-Newton Proposal 02049601 XMM-Newton Proposal 02049601

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop..263m&link_type=abstract

XMM-Newton Proposal ID #02049601

Physics

Kaz 102, Xmm-Newton Proposal 02049601

Scientific paper

We propose to make a detailed X-ray spectroscopic study of the radio quiet QSO Kaz 102, which has been found to have a power-law spectrum with a photon index of about 1.0 with our ASCA observation. This object was observed to have variability on time scales of about 2--3 years and its photon index also varied over years, from 2.2 during the ROSAT All Sky Survey to about 1,0 during the Einstein/ASCA observations. From our ASCA spectra, we couldn't discriminate whether the apparently unusual hard spectrum was caused by warm absorber, Compton reflection, or a simple featureless power-law continuum. With the proposed XMM-Newton observation. we would be able to investigate the cause and physical mechanism of this hard spectrum and its variability.

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