Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..587..286d&link_type=abstract
GAMMA 2001: Gamma-Ray Astrophysics 2001. AIP Conference Proceedings, Volume 587, pp. 286-290 (2001).
Astronomy and Astrophysics
Astrophysics
Radio Galaxies, X-Ray Sources, X-Ray Bursts, Gamma-Ray Sources, Gamma-Ray Bursts, Jets And Bursts, Galactic Winds And Fountains
Scientific paper
We propose a model for the origin of extended X-ray emission in the large-scale jets and hot spots of radio galaxies. If radio galaxies are misaligned blazars, then they are sources of collimated high-energy gamma radiation from the inner jet. Gamma rays with >~100 TeV energies will be attenuated by the microwave background and surrounding radiation fields, causing high-energy electrons and pairs to be injected far from the central engine. The high-energy pairs will produce X-ray synchrotron radiation that could account for the emission detected from sources such as Pictor A and Cygnus A with the Chandra X-ray Observatory. .
Dermer Charles D.
Li Hui
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