XMM-Newton Proposal 02064001

Details XMM-Newton Proposal 02064001 XMM-Newton Proposal 02064001

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop..333p&link_type=abstract

XMM-Newton Proposal ID #02064001

Computer Science

Ark 564, Xmm-Newton Proposal 02064001

Scientific paper

Recent RXTE and XMM observations have revealed ``characteristic time scales" in the power spectra of AGN. The AGN PSDs appear to be similar to the power spectra of Galactic X-ray binaries, except from Ark 564. There are two ``break frequencies" in the power spectrum of this source, but none of them appears to scale linearly with central black hole mass when compared with the appropriate break frequencies found in the PSDs of Galactic sources at "low/hard" or ``high/soft" state. Here we propose a long (95 ksec) XMM observation of Ark 564 in order to detrmine accurately its high frequency PSD and investigate whether this source is "unique" among AGN with known PSDs, or its variability properties are similar to the properties of Galactic X-ray sources at the "very high state".

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