The Chandra View Of X-shaped Radio Galaxies

Details The Chandra View Of X-shaped Radio Galaxies The Chandra View Of X-shaped Radio Galaxies

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010head...11.0715h&link_type=abstract

American Astronomical Society, HEAD meeting #11, #7.15; Bulletin of the American Astronomical Society, Vol. 41, p.662

Astronomy and Astrophysics

Astronomy

Scientific paper

We present new and archival Chandra X-ray Observatory observations of X-shaped radio galaxies within z 0.1 alongside a comparison sample of normal double-lobed FR I and II radio galaxies. By fitting ellipses to the observed hot thermal atmospheres, we find that compared to the control sample, there is a strong tendency for X-shaped morphology to be associated with wings directed along the minor axis of the hot gas distribution and the jets along the major axis. Taken at face value, this result favors the hydrodynamic backflow models for the formation of X-shaped radio galaxies which naturally explain the geometry, but deeper observations are desirable. This work was funded in part by the Chandra Guest Observer program.

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