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For the interpretation of X-ray radiation from kiloparsec jets of quasars,the inverse Compton scattering of the cosmic microwave background has beenwidely used for almost 20 years. A recent analysis of the Fermi-LATobservational data showed that this assumption is inapplicable for jets ofseveral quasars. In this paper, we consider the inverse Compton scattering ofphotons from a central source as a possible mechanism for the formation ofX-ray radiation from kiloparsec jets of the quasars PKS 0637-752, 3C 273, PKS1510-089, and PKS 1045-188. Estimates for the angle between the line of sightand the velocity of kiloparsec-scale jets are obtained. The predicted gamma-rayflux for all objects turned out to be below the upper limit on the flux from akiloparsec jet obtained from the Fermi-LAT data. It is shown that ourassumption about the mechanism of kiloparsec jets X-ray radiation is consistentwith all data of multiwavelength observations available to date.

astronomy reports

Inverse Compton Scattering of Radiation from a Central Source as a  Possible Mechanism for the Formation of X-Ray Radiation from Kiloparsec Jets  of Core-Dominated Quasars