XMM-Newton observations of candidate Swift-BAT Compton-thick sources

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Title:		XMM-Newton observations of candidate Swift-BAT Compton-thick sources
Authors:		Ajello, Marco
Publication:		XMM-Newton Proposal ID #05012107
Publication Date:		10/2006
Origin:		XMM
Keywords:		Active Galactic Nuclei, Quasars, BL-Lac Objects, X-ray Background, SWIFT J1009.3-4, LEDA 86063, LEDA 1473304, ESO 201-IG 004, SWIFT J0823.4-0, 2MASX J05280316, APMUKS(BJ) B040, XMM-Newton Proposal 05012107
Bibliographic Code:		2006xmm..prop...38A

Abstract

We propose to perform sensitive X-ray observations with XMM-Newton of 7 candidate Compton-thick AGN detected by Swift-BAT in the ongoing all-sky survey (15-200 keV). The BAT spectra reveal, through the detection of the photoelectric cut-off (10-20 keV), that these objects are obscured by intervening matter which is Compton-thick. Sensitive X-ray observations are needed to confirm and to study the nature of these sources. A powerful diagnostic for the presence of Compton-thick matter is provided by the intensity and equivalent width of the iron line. XMM-Newton is the most suitable observatory to study such objects as its sensitivity is 10x larger than Swift-XRT at 6 keV.

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