Powers and Magnetization of Blazar JetsReport as inadecuate


Powers and Magnetization of Blazar Jets


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Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences-Bartycka 18, 00-716 Warsaw, Poland





Academic Editors: Jose L. Gómez, Alan P. Marscher and Svetlana G. Jorstad

Abstract In this work I review the observational constraints imposed on the energetics and magnetisation of quasar jets, in the context of theoretical expectations. The discussion is focused on issues regarding the jet production efficiency, matter content, and particle acceleration. I show that if the ratio of electron-positron-pairs to protons is of order 15, as is required to achieve agreement between jet powers computed using blazar spectral fits and those computed using radio-lobe calorimetry, the magnetization of blazar jets in flat-spectrum-radio-quasars FSRQ must be significant. This result favors the reconnection mechanism for particle acceleration and explains the large Compton-dominance of blazar spectra that is often observed, without the need to postulate very low jet magnetization. View Full-Text

Keywords: quasars; blazars; jets quasars; blazars; jets





Author: Marek Sikora

Source: http://mdpi.com/



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