Exploring obscuration in luminous type-2 quasars

Details Exploring obscuration in luminous type-2 quasars Exploring obscuration in luminous type-2 quasars

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009xmm..prop..187m&link_type=abstract

XMM-Newton Proposal ID #06555716

Physics

Cosmology, Extragalactic Deep Fields And Area Surveys, Sdssj120041.40+, Sdssj122217.86-, Sdssj135646.11+, Sdssj110012.39+, Sdssj100013.14+, Sdssj143029.89+, Sdssj155019.96+, Sdssj161647.31+, Sdssj155443.63+, Sdssj091646.03+, Sdssj105555.34+, Sdssj165315.05+, Sdssj094521.34+, Sdssj160631.37+, Sdssj130038.10+, Sdssj155522.04+

Scientific paper

The most luminous absorbed AGN (QSO2) have been predicted in considerable numbers by cosmic X-ray background models. However, their space density and contribution to the AGN luminosity output still remain rather uncertain. Taking advantage of the high throughput and good spectral resolution of the EPIC cameras, we propose XMM-Newton observations for a sample of 16 QSO2 at z=0.1-0.17 drawn from the Sloan Digital Sky Survey. The sample, solely based on the high luminosity of the [OIII] 5007A line of the objects, is unbiased against heavily absorbed AGN. We will accurately constrain the physical properties (absorption and luminosity) of QSO2 and investigate the effect of luminosity on the obscuration of the AGN central engine.

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