Other
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21714238w&link_type=abstract
American Astronomical Society, AAS Meeting #217, #142.38; Bulletin of the American Astronomical Society, Vol. 43, 2011
Other
Scientific paper
We present the results of a survey at infrared wavelengths of the emission from hotspots in the lobes and jets of energetic radio sources. Our sample is chosen from the work of Hardcastle et al (2004), who analyze x-ray and radio data on a number of hot spots. For nine hot spots we used infrared data from the Spitzer archive - generally in all four IRAC bands - while for another 17 we carried out new observations with Warm Spitzer in the IRAC band at 3.6um. For 17 hotspots, 7 archival and 10 from the warm mission, we have infrared detection(s) and present an x-ray/infrared/radio SED, often with additional optical data also presented by Hardcastle et al.
For another 9 hotspots (2 archival and 7 newly observed) we have only upper limits from the Spitzer observations to go with the x-ray and radio detections. We compare the multiwavelength SEDs with the predictions of synchrotron self Compton and pure synchrotron models for the hotspots.
This research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration
Gorjian Varoujan
Jones Damien
Lawrence Charles
Livingston John
Meier Dave
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