Almaini, O, Willott, CJ, Manners, J, Johnson, O, Lawrence, A, Dunlop, JS, Mann, RG, Perez-Fournon, I, González-Solares, E, Cabrera-Guerra, F, Serjeant, S, Oliver, SJ and Rowan-Robinson, M (2001) The ELAIS deep X-ray survey. In: Recent results of XMM-Newton and Chandra, XXXVIth Rencontres de Moriond , XXIst Moriond Astrophysics Meeting, March 10-17, 2001 Savoie, France..

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Abstract

We present initial follow-up results of the ELAIS Deep X-ray Survey which is being undertaken with the Chandra and XMM-Newton Observatories. 235 X-ray sources are detected in our two 75 ks ACIS-I observations in the well-studied ELAIS N1 and N2 areas. 90% of the X-ray sources are identified optically to R=26 with a median magnitude of R=24. We show that objects which are unresolved optically (i.e. quasars) follow a correlation between their optical and X-ray fluxes, whereas galaxies do not. We also find that the quasars with fainter optical counterparts have harder X-ray spectra, consistent with absorption at both wavebands. Initial spectroscopic follow-up has revealed a large fraction of high-luminosity Type 2 quasars. The prospects for studying the evolution of the host galaxies of X-ray selected Type 2 AGN are considered.

Item Type:	Conference or Workshop Item (Paper)
Schools and Departments:	School of Mathematical and Physical Sciences > Physics and Astronomy
Depositing User:	EPrints Services
Date Deposited:	06 Feb 2012 19:38
Last Modified:	22 Mar 2012 10:43
URI:	http://sro.sussex.ac.uk/id/eprint/21628

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