Titlebook: Astrophysical Jets and Their Engines; Wolfgang Kundt Book 1987 D. Reidel Publishing Company, Dordrecht, Holland 1987 Accretion.Galaxy.Quas

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Brigitte Kerchner,Silke Schneiderstic than previous ones in two important ways. Firstly, we have accounted for the dominance of electron scattering opacity in the disk, by approximating the locally emerging flux with low-gravity non-LTE stellar atmospheres. This disk spectrum constructed with stellar atmospheres is harder than the

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https://doi.org/10.1007/978-3-658-12888-3suggest that some of the observed morphology of extragalactic jets is due to the form of the ambient density distribution. The series of knots seen in both stellar and extragalactic jets appear to be related to the shock cell structure found in laboratory jets. It is shown that there can be quite a

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Perspektiven kritischer Sozialer Arbeitrivations see e.g. Weinberg (1972), Gunn (1978). These relations depend on the current values of the parameters H & Ω (we dispense with the usual zero subscript); where important, dependence of results on these values will be indicated, defining h ≡ H/100 kms. Mpc.. Often, the effect of varying h &

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Foucault: Diskursanalyse der PolitikIn this lecture I shall discuss the observational evidence relevant to the speeds of jets in radio galaxies and quasars. My conclusion is that the outer jets of weak (FR I) sources have non-relativistic speeds, while jets in strong (FR II) sources have speeds comparable with the speed of light, and perhaps very close to the speed of light.

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Allgemeines zum Kleingartenwesen,The reliability of published numerical simulations of fluid jets is assessed. It is shown that the resolution used in these calculations is much too low for the results to be of any use.

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https://doi.org/10.1057/9781137468048The possible dynamical effect of large-scale magnetic fields in astrophysical jets is discussed. They range from collimation and refocussing of jets to interaction between adjacent current-carrying jets.