A dataset provided by the European Space Agency

Proposal ID 040405
Title A Direct Test of the Fanaroff-Riley Dichotomy in the Nuclei of Radio Galaxies
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DOI https://doi.org/10.5270/esa-tygmbp0
Principal Investigator, PI Dr Daniel Evans
Abstract A major puzzle in AGN physics is whether the Fanaroff-Riley dichotomy observedin large-scale structures of radio galaxies is a result of the impact of thehot-gas environment on the jet propagating through it, or instead due tointrinsic differences in the nuclei of these sources. Our X-ray studies ofradio-galaxy nuclei have suggested that there may indeed be a nuclearFanaroff-Riley dichotomy, but the crucial observations needed to confirm thishave yet to be made. We propose a series of short (10-15 ks) EPIC observationsof the nuclei of 5 sources that span the Fanaroff-Riley divide in 178-MHz power.We will search for, and constrain the luminosity of, absorbed components in thespectra of these sources, directly testing for a nuclear Fanaroff-Riley dichotomy.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2006-08-08T05:51:03Z/2007-04-29T00:52:57Z
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 2008-06-01T00:00:00Z
Keywords "jet propagating", "hot gas", "178 mhz power", "fanaroff riley dichotomy", "fanaroff riley divide", "absorbed components", "scale structures", "EPIC", "agn physics"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Daniel Evans, 2008, 'A Direct Test of the Fanaroff-Riley Dichotomy in the Nuclei of Radio Galaxies', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-tygmbp0