Fig. 3
X-ray flux in the 0.1-2.4 keV band vs radio flux at 1.4 GHz for objects listed in the Roma BZCAT Catalog. 50 of the 56 AGN detected at VHE (as of the end 2013) are listed in the BZCAT with detected X-ray (ROSAT) and radio (NVSS/SUMSS) emission. 25 of the 47 objects studied in this paper are shown, with a selection biased toward X-ray-bright BL Lac objects. Based on ROMA BZCAT and TeVCat.
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