The ELAIS Deep X-ray Survey

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dc.creatorWillott, C. J.
dc.creatorAlmaini, O.
dc.creatorManners, J.
dc.creatorJohnson, O.
dc.creatorLawrence, A.
dc.creatorDunlop, J. S.
dc.creatorMann, R. G
dc.creatorPerez-Fournon, I.
dc.creatorGonzalez-Solares, E.
dc.creatorCabrera-Guerra, F.
dc.creatorSerjeant, S.
dc.creatorOliver, S. J.
dc.creatorRowan-Robinson, M.
dc.date2001-05-31
dc.date.accessioned2026-07-07T01:58:45Z
dc.date.available2026-07-07T01:58:45Z
dc.descriptionWe 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.
dc.description9 pages, 5 figures, To appear in Proceedings of XXI Moriond Conference: "Galaxy Clusters and the High Redshift Universe Observed in X-rays", edited by D. Neumann, F.Durret, & J. Tran Thanh Van
dc.identifierhttps://arxiv.org/abs/astro-ph/0105560
dc.identifierhttp://arxiv.org/abs/astro-ph/0105560
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/2838
dc.subjectAstrophysics
dc.titleThe ELAIS Deep X-ray Survey
dc.typetext

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