A dataset provided by the European Space Agency

Proposal ID 050085
Title Shaking core beliefs: XMM observations of AGN in early-type galaxies
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0500850401
https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0500850501

DOI https://doi.org/10.5270/esa-v26wqc2
Principal Investigator, PI Dr Rita Sambruna
Abstract Recent surveys discovered that 50% of AGN are hosted by massive galaxies withluminosities and colors typical of ellipticals/S0s. These findings defy theparadigm of local AGN=Seyferts in blue galaxies., which held for the last 30years. How do these systems differ from classically-selected AGN? We proposeEPIC observations of 7 z<0.1 AGN, selected in an unbiased way at energies > 10keV with Swift BAT in early-type hosts. Carrying the imprints of the conditionsof matter in the inner accretion flow, medium-hard X-ray observations areessential to unveil the true nature of these systems.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2007-06-23T16:07:17Z/2008-02-25T19:13:23Z
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 2009-04-02T00:00:00Z
Keywords "", "type galaxy", "`` local agn", "medium hard xray", "massive galaxy", "inner accretion flow", "XMM", "type hosts", "findings defy", "shaking core beliefs", "EPIC", "colors typical", "swift bat", "blue galaxy '"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Rita Sambruna, 2009, 'Shaking core beliefs: XMM observations of AGN in early-type galaxies', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-v26wqc2