Radio Lobe Dynamics and the Environment of Microquasars
S. Heinz
Abstract
We argue that, when compared to AGNs in dynamical terms, microquasars are found in low density, low pressure environments. Using a simple analytic model, we discuss radio lobe dynamics and emission. Dynamical considerations for GRS 1915+105 and GRO J1655-40 show that they are located in ISM densities well below the canonical nISM ~ 1 cm-3 unless the jets are unusually narrow or much more powerful than currently believed.
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