RELATIVISTIC OUTFLOWS AND RADIATION PROCESSES

abstract

Relativistic outflows and radiation processes

Observable radiation contains information about its source as well as about the medium through which it has propagated. By measuring the angular broadening suffered by radiation crossing through a magnetoactive plasma, it is possible to obtain important conclusions about the physical parameters of the plasma, such as the electron density distribution, magnetic field and macroscopic plasma velocity. In this work we describe a physical picture for the radiation inside a stellar outflow. Taking into account the interaction processes of the matter with the radiation and the velocity distribution of the system, the transport equations and the dispersion relations are established. These results are evaluated by taking some well-known samples, from jets of active galaxies and binary stars, radio sources and stellar winds.

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