Chandra and HST observations of gamma-ray blazars: comparing jet emission at small and large scales
نویسندگان
چکیده
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. Subject headings: Galaxies: active — galaxies: jets — (galaxies:) quasars: individual (0208-512, 0954+556, 1229-021, 2251+158) — X-rays: galaxies Jansky Postdoctoral Fellow of the National Radio Astronomy Observatory. March 2007 astro-ph/0703359 SLAC-PUB-12402 Submitted to Astrophys.J.
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تاریخ انتشار 2007