A dataset provided by the European Space Agency

Name 030336
Title The Role of Absorption in 2MASS Red AGN.
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0303360101
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0303360201
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http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0303361201
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DOI 10.5270/esa-c80u293
Author Dr Belinda Wilkes
Description 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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Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2005-05-22T17:10:31Z/2005-11-15T10:59:26Z
Version 17.56_20190403_1200
Mission Description The European Space Agency's (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESA's second cornerstone of the Horizon 2000 Science Programme. It carries 3 high throughput X-ray telescopes with an unprecedented effective area, and an optical monitor, the first flown on a X-ray observatory. The large collecting area and ability to make long uninterrupted exposures provide highly sensitive observations.
Since Earth's atmosphere blocks out all X-rays, only a telescope in space can detect and study celestial X-ray sources. The XMM-Newton mission is helping scientists to solve a number of cosmic mysteries, ranging from the enigmatic black holes to the origins of the Universe itself. Observing time on XMM-Newton is being made available to the scientific community, applying for observational periods on a competitive basis.
Creator Contact https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk
Date Published 2006-12-09T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2006-12-09T00:00:00Z, 030336, 17.56_20190403_1200. https://doi.org/10.5270/esa-c80u293