XMM-Newton Proposal 02006101

Details XMM-Newton Proposal 02006101 XMM-Newton Proposal 02006101

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop...28g&link_type=abstract

XMM-Newton Proposal ID #02006101

Computer Science

Rx J0134.2-4258, Xmm-Newton Proposal 02006101

Scientific paper

We propose to observe the Narrow-Line Seyfert 1 galaxy RX J0134.2-4258 by XMM in order to study its strange spectral variability on short and long timescales. RX J0134.2-4258 was one of the softest AGN during the RASS but changed its X-ray spectrum dramatically and to become rather hard in pointed observations years later. It is mainly its hard X-ray component that varies. Possible models to explain the spectral behaviour are warm, ionized absorbers or the loss and recovery of the disk corona. With a 50 ks XMM observation we will be able to search for the presence or absence of warm absorber features and and an analysis of the soft and hard X-ray component light curves allow us to distinguish between both models.

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