High Energy Processes in the Interactions of Microquasar Jets with their Surroundings

Details High Energy Processes in the Interactions of Microquasar Jets with their Surroundings High Energy Processes in the Interactions of Microquasar Jets with their Surroundings

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jena.confq..37b&link_type=abstract

"JENAM-2007, "Our non-stable Universe", held 20-25 August 2007 in Yerevan, Armenia. Abstract book, p. 37-37"

Computer Science

Scientific paper

High energy processes involved in the interactions of microquasar jets with their environments are studied. We focus on the shock fronts developed outwards in the ISM and inwards in the jet. The shocked regions will contain both a thermal population of particles as well as a significant fraction of accelerated particles following a non-thermal power-law distribution. Self-similar structure growing, first order Fermi acceleration and strong shock jump conditions including magnetic field behaviour are considered in our model. Adopting different values for the width-to-length ratio, the spectral index of the non-thermal emitting populations, and the shock compression factor in both shocked regions, we present the radiative outcomes through thermal Bremsstrahlung processes for the thermal shock-heated population and synchrotron, Inverse Compton (IC) and relativistic Bremsstrahlung processes for the non-thermal distributions of particles. Broadband spectral energy distributions (SEDs) are presented and discussed. We emphasize on those spectral features capable of distinguishing between different parameter range values through observational comparisons, in particular from the microquasars Cygnus X-1 and Circinus X-1.

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