A Chandra Survey of Nearby X-shaped Radio Galaxies

Details A Chandra Survey of Nearby X-shaped Radio Galaxies A Chandra Survey of Nearby X-shaped Radio Galaxies

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cxo..prop.2434r&link_type=abstract

Chandra Proposal ID #09700606

Physics

Chandra Proposal Id #09700606

Scientific paper

The unusual morphology of winged or X-shaped radio galaxies (XRGs) has been attributed to rapid changes in the spin axis of the jet-producing black hole during the merger of two supermassive black holes (SMBH). However, an alternative scenario posits that the wings are due to hydrodynamic blow-out of the (normal) radio-galaxy back-flow along the minor axis of a non-spherical ISM distribution. We plan to test the backflow model in a sample of nearby XRGs by correlating the minor axis of the ICM distribution with the radio-wings. Here, we propose the first stage of this program - a Chandra survey of all previously unobserved XRGs within z=0.1 (10ks observations of 14 objects). The results of this survey will be used to select optimal sources for detailed investigation in future cycles.

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