Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21831703m&link_type=abstract
American Astronomical Society, AAS Meeting #218, #317.03; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
We report initial results from a systematic investigation of the properties of large-scale AGN jets detected in X-rays. We have uniformly analyzed archival Chandra data for more than 90 such sources and measure fluxes in three X-ray bands to estimate spectra. We discuss the sample, the reduction methods, and present first results for the ratio of X-ray to radio flux and the spectral analysis for jet knots and hotspots. Utilizing archival VLA and MERLIN data, we examine the X-ray and radio properties for the jet knots and hotspots in the sample which includes quasars and low- and high-power (FR1 and FR2) radio galaxies. As two different processes have been proposed for the X-ray emission mechanism -- synchrotron and inverse Compton -- we discuss on a possible new classification scheme for extragalactic jets based on our data. From our comparison of their radio-to-X-ray properties, several aspects on their nature became unexpectedly unclear, as different emission processes seems to provide no differences in the observable quantities.
Cheung Charlotte
Harris Dan
Massaro Francesco
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