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.
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.
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
