Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001mnras.326.1122k&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 326, Issue 3, pp. 1122-1126.
Astronomy and Astrophysics
Astronomy
9
Radiation Mechanisms: Non-Thermal, Stars: Neutron, Cosmic Rays, Galaxies: Nuclei, Radio Continuum: General
Scientific paper
Relativistic e+/- particles and cosmic rays are accelerated in the magnetospheres of supermassive black holes and neutron stars. The possibility of synchrotron radiation with extremely high intensity inside the deepest regions of magnetospheres is investigated. Very high brightness temperatures are expected for such radiation by relativistic protons, which can be made even higher in the presence of non-stationary conditions, Doppler boosting and coherent processes. The main parameters for models of such high-brightness-temperature radiation are determined. Two types of active galactic nuclei (AGNs) are expected. One type is associated with the acceleration and ejection of relativistic e+/- particles only (probably non-IDV sources and FR-I radio galaxies). The second type of AGN is also associated with e+/- acceleration, but is dominated by the contribution of relativistic protons (probably IDV sources and FR-II radio galaxies). Analogous objects for pulsars are plerion and shell supernova remnants with neutron stars or pulsars without synchrotron nebulae, respectively.
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