Invisible Plasma Content in Blazars?---: The Case of Markarian 421

Details Invisible Plasma Content in Blazars?---: The Case of Markarian 421 Invisible Plasma Content in Blazars?---: The Case of Markarian 421

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..402..303k&link_type=abstract

Approaching Micro-Arcsecond Resolution with VSOP-2: Astrophysics and Technologies ASP Conference Series, Vol. 402, proceedings o

Astronomy and Astrophysics

Astrophysics

Scientific paper

The invisible plasma content in blazar jets, such as protons and/or thermal electron-positron (e±) pairs, is explored through combined arguments of dynamical and radiative processes. By comparing the physical quantities required by the internal shock model with those obtained through the observed radio-to-gamma-ray spectra for Mrk 421, we infer a copious amount of invisible plasma in the jet.
We speculate that the blazar sequence could arise from variations of total amount and/or blending ratio of e± pair and electron-proton plasma.

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