XMM-Newton Proposal 03011512

Details XMM-Newton Proposal 03011512 XMM-Newton Proposal 03011512

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004xmm..prop...38n&link_type=abstract

XMM-Newton Proposal ID #03011512

Physics

Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, F00521-7054, F02581-1136, Mcg-3-58-7, Ngc 513, Ngc 7682, Ngc 1144, Ngc 1320, Ngc 3362, Ngc 5695, Ngc 6890, Ugc 6100, Ngc 5929, Xmm-Newton Proposal 03011512

Scientific paper

We propose to observe with XMM-Newton a sample of 12 Sy2s with and without hidden BLRs, extracted from the spectropolarimetric sample of Tran, for a total exposure of 203 ks. The main goal of this proposal is to measure the 2-10 keV luminosity of these sources and so the accretion rate in Eddington units. This will in turn allow us to verify our recent, low significance (3.2 sigma) findings that Sy2s with hidden BLRs have all accretion rate larger than a minimum threshold value and much larger than that of Sy2s without BLRs. This closely relates the existence of the BLRs to the physical state of the central engine in AGNs. The new observations will more than double the existing sample and will allow us to test our hypothesis at a significance bigger than 10 sigma.

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