A dataset provided by the European Space Agency

Proposal ID 030336
Title The Role of Absorption in 2MASS Red AGN.
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DOI https://doi.org/10.5270/esa-c80u293
Principal Investigator, PI Dr Belinda Wilkes
Abstract Chandra observations of red 2MASS AGN show they are X-ray weak and hard. This,combined with high optical polarisation, suggests a view through obscuringmaterial with column density logNHvirgul22, close-to edge-on. This unique view wouldprovide constraints on AGN nuclear models which generally include a torus/diskwith a wind. But XMM observations of 5 red AGN to check this scenario findabsorption in only 3 while 2 more show complex X-ray spectra: a soft excess plushard power law. To better understand their X-ray properties, we propose XMMobservations of 4 more red AGN with optical type 1-1.5, a hard X-ray power lawand/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.
Publications
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 Agencys (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESAs 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 Earths 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
Keywords "xray properties", "column density lognh", "XMM", "red agn", "optical polarisation", "complex xray spectra", "red 2mass agn", "xray absorption", "obscuring material", "optical type", "agn nuclear models", "280 xmm counts", "xray weak"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Belinda Wilkes, 2006, 'The Role of Absorption in 2MASS Red AGN.', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-c80u293