Deep ACIS-S imaging of two X-shaped radio galaxies

Details Deep ACIS-S imaging of two X-shaped radio galaxies Deep ACIS-S imaging of two X-shaped radio galaxies

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cxo..prop.2626r&link_type=abstract

Chandra proposal ID #10700228

Computer Science

Scientific paper

X-shaped radio galaxies (XRGs) are often considered to be the smoking gun of a supermassive black hole merger, with the unusual radio morphology attributed to the rapid re-orientation of the AGN jets during the merger event. We request deep (100ks) observations of two XRGs; 4C+00.58 and J1043+3131. Our principal objective is to map the morphology of the hot interstellar/intragroup medium around these radio galaxies that has been previously discovered in our Cycle-9 pilot study, and hence test the "expanding backflow" model of XRG formation which remains a viable alternative to the merging black hole picture. The study proposed here will double the number of XRG that have been imaged deeply in the X-ray band, and provide the most compelling test yet of the backflow model of XRGs.

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