Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011head...12.0406s&link_type=abstract
American Astronomical Society, HEAD meeting #12, #4.06
Astronomy and Astrophysics
Astronomy
Scientific paper
Growing observational evidence relates the AGN feedback to a black hole radio-mode (e.g. large cavities observed in X-ray clusters, evolution of radio sources). The physical process involved is not well understood, although it must play a major role during the primary epoch of galaxy formation at high redshifts. X-rays give information about a distribution of hot thermal gas and a possible presence of shocks associated with a radio source growing within the host galaxy environment. However, due to resolution constraints X-ray signatures of the radio source impact on the host galaxy environment can only be studied in nearby galaxies. Here, we present results of a deep Chandra observation of a low redshift radio galaxy where the complexity of the interactions between the radio plasma and ISM is uniquely displayed, allowing a direct mapping of the radio source growth and its immediate impact onto the galaxy. Chandra X-ray morphology shows a direct correspondence to the radio one, and we detect X-ray emission associated with a relativistic jet, knots, hot spots and lobes. We discuss the source X-ray properties and measurements of the energy deposition required to explain the observations.
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