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Chandra and HST observations of gamma-ray blazars: comparing jet emission at small and large scales

By F. Tavecchio, L. Maraschi, A. Wolter, C. C. Cheung and R. M. Sambruna


We present new Chandra and HST data for four gamma-ray blazars selected on the basis of radio morphology with the aim of revealing X-ray and optical emission from their jets at large scales. All the sources have been detected. Spectral Energy Distributions of the large scale jets are obtained as well as new X-ray spectra for the blazar cores. Modeling for each object the core (sub-pc scale) and large-scale (> ∼ 100 kpc) jet SEDs, we derive the properties of the same jet at the two scales. The comparison of speeds and powers at different scales supports a simple scenario for the dynamics and propagation of high power relativistic jets

Topics: 1 Jansky Postdoctoral Fellow of the National Radio Astronomy Observatory. – 2 –
Year: 2007
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