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Radio Physics and Radio Astronomy

ISSN Imprimer: 2152-274X
ISSN En ligne: 2152-2758

Archives: Volume 1, 2010 to Volume 3, 2012

Radio Physics and Radio Astronomy

DOI: 10.1615/RadioPhysicsRadioAstronomy.v3.i3.20
pages 197-204

INVERSE COMPTON AND THOMSON SCATTERING OF THE QUASAR 3C 273 EMISSION BY ELECTRONS OF THE NEAREST KNOT OF ITS KILOPARSEC JET

M. S. Butuzova
Institute of Radio Astronomy, National Academy of Sciences of Ukraine, 4, Chervonopraporna St., Kharkiv, 61002, Ukraine

RÉSUMÉ

The X-ray emission of the nearest to the core 3C 273 kiloparsec jet knot A1 is shown to be produced by the inverse Compton scattering of quasar emission rather than by the Thomson scattering. For the last process, a large quantity of thermal plasma is required at the knot, the fact not confirmed by polarization observations. Conclusion is made that the low-energy cut-off occurs at the power-law spectrum of ultrarelativistic electrons in knot A1.


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