Existence of X-Ray Jets on Kiloparsec Scales in Radio-Loud AGNS

Details Existence of X-Ray Jets on Kiloparsec Scales in Radio-Loud AGNS Existence of X-Ray Jets on Kiloparsec Scales in Radio-Loud AGNS

Apr 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002chee.conf...69b&link_type=abstract

CURRENT HIGH-ENERGY EMISSION AROUND BLACK HOLES . Proceedings of the 2nd KIAS Astrophysics Workshop. Held 3-8 September 2001 in

Astronomy and Astrophysics

Astrophysics

Scientific paper

Based on the knowledge of the nature and physics of blazars, we argue that a detectable synchrotron X-ray jet exists on kiloparsec scales in most radio-loud AGNs. In blue blazars and blue-blazar-like radio galaxies, the parsec scale synchrotron X-ray jet continuously extends to kiloparsec scales, which is consistent with the Chandra recent observations for the blue-blazar-like radio galaxy, Cen A that shows the X-ray jet extending continuously from 10 parsec scales to kpc scales. Although the parsec scale X-ray jet in red blazars and red-blazar-like radio galaxies are inverse-Compton emission, a detectable synchrotron X-ray jet exists on kiloparsec scales in these sources. In typical red blazars and red-blazar-like radio galaxies, the X-ray jet is bright on 10 kpc scales whether the jet is highly relativistic on large scales or not. In extreme and thus the most powerful red blazars in which the synchrotron peak of the inner jet lies in the infrared bands and the jet may be still highly relativistic on large scales, the synchrotron peak may shift back to the optical bands on 100 kpc scales. Consequently, the X-ray jet in these sources gets fainter along the jet from 10 kpc to 100 kpc scales, while the optical and IR jet may get brighter, and on larger scales (>~ 100kpc, as in the case of PKS 0637-752) the X-rays from the jet may be dominated by inverse-Compton emission. These predictions can be tested with the ongoing observations of the Chandra X-ray Observatory.

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