Computer Science
Scientific paper
Oct 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004xmm..prop..125w&link_type=abstract
XMM-Newton Proposal ID #03033605
Computer Science
Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, 2M 0918+2117, 2M 0938+0057, 2M 1049+5837, 2M 1418+6804, 2M 1637+2221, Xmm-Newton Proposal 03033605
Scientific paper
Chandra observations of red 2MASS AGN show they are X-ray weak and hard. This, combined with high optical polarisation, suggests a view through obscuring material with column density logNH~22, close-to edge-on. This unique view would provide constraints on AGN nuclear models which generally include a torus/disk with a wind. But XMM observations of 5 red AGN to check this scenario find absorption in only 3 while 2 more show complex X-ray spectra: a soft excess plus hard power law. To better understand their X-ray properties, we propose XMM observations of 4 more red AGN with optical type 1-1.5, a hard X-ray power law and/or high optical polarisation and to re-observe 2M0918, a high polarisation, type 1.5 with no evidence for X-ray absorption but only 280 XMM counts.
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