Spitzer IRAC Imaging of the Nearby Radio Galaxy 3C 403

Details Spitzer IRAC Imaging of the Nearby Radio Galaxy 3C 403 Spitzer IRAC Imaging of the Nearby Radio Galaxy 3C 403

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21342008p&link_type=abstract

American Astronomical Society, AAS Meeting #213, #420.08; Bulletin of the American Astronomical Society, Vol. 41, p.237

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Scientific paper

We present new Spitzer IRAC mid-infrared imaging of the nearby (z=0.059) X-shaped radio galaxy 3C 403. Several extended radio features, which were previously detected in the X-ray and visible light bands with Chandra and Hubble, are detected in the IRAC images. Such features were previously undetectable in the infrared due to poor imaging capabilities before Spitzer. The IRAC data help to bridge the large frequency gap between existing radio and optical measurements, thereby helping to constrain the overall shape of the synchrotron spectra. With the spectral constraints, we derive the underlying electron energy spectra of the extended features, and compare these results to existing measurements for other sources with similarly well-measured spectra.

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