A dataset provided by the European Space Agency

Proposal ID 020252
Title EVOLUTION OF THE X-RAY PROPERTIES OVER THE LIFETIMES OF RADIO-LOUD AGN
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0202520301
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DOI https://doi.org/10.5270/esa-rkx66xl
Principal Investigator, PI Dr IGNAS SNELLEN
Abstract The new X-ray observatories have given us great insights into the energeticaccretion processes in active galaxies, providing important clues about possibleconnections between different classes of radio-quiet and radio-loud AGN.Although much of the current work is focused on parameterizing the X-rayemission of AGN, virtually nothing is known about the possible evolution of theX-ray properties over the lifetime of an AGN. We propose to perform the firstX-ray observations of the 5 most famous and extensively studied young GPS radiogalaxies in the sky. This will yield important information on the evolution ofthe accretion flow over the AGN-lifecycle, and the mass and distribution ofcircumnuclear material around young radio sources.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2003-12-25T19:30:08Z/2004-10-21T14:21:23Z
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 2005-11-18T00:00:00Z
Keywords "xray properties", "active galaxy", "radio sources", "energetic accretion processes", "agn lifecycle", "accretion flow", "gps radiogalaxy", "xray observatories", "xray emission", "radio loud agn", "radio quiet", "circumnuclear material"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr IGNAS SNELLEN, 2005, 'EVOLUTION OF THE X-RAY PROPERTIES OVER THE LIFETIMES OF RADIO-LOUD AGN', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-rkx66xl