Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1248..517t&link_type=abstract
X-RAY ASTRONOMY 2009; PRESENT STATUS, MULTI-WAVELENGTH APPROACH AND FUTURE PERSPECTIVES: Proceedings of the International Confer
Astronomy and Astrophysics
Astronomy
Radio Galaxies, Galactic Nuclei, Astrophysical Jets, Photoionization, Radio Galaxies, Galactic Nuclei, Circumnuclear Matter, And Bulges, Jets And Bursts, Galactic Winds And Fountains, Photoionization Of Atoms And Ions
Scientific paper
While in Radio-Quiet (RQ) AGN warm gas photoionised by the nuclear engine has been well revealed and studied in X-rays, it is still unclear whether a similar gaseous environment can survive in Radio-Loud (RL) objects. The exploration of the environment surrounding the nuclei of RL sources is an important point to be addressed. It can help to understand the physical link among accretion flows, winds and jet, and the influence that each component can have on the host galaxy. We report on the recent discovery of warm gas in RL AGN, indicating that relativistic collimated plasma (jet) and slower outflows of photoionised gas can coexist in the same source. The physical properties of this gas seem to be very similar to RQ ones, suggesting that RL and RQ AGN environment becomes indistinguishable at large distances from the central engine (e.g. the Narrow Line Region).
Grandi Paola
Guainazzi Matteo
Lia Longinotti Anna
Nucita Achille A.
Tombesi Francesco
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