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On the interaction of a thin, supersonic shell with a molecular cloud
supersonic shell with molecular cloud
2011/1/10
Molecular clouds (MCs) are stellar nurseries, however, formation of stars within MCs depends on the ambient physical conditions. MCs, over a free-fall time are exposed to numerous dynamical phenomena,...
Tails of the Unexpected: The Interaction of an Isothermal Shell with a Cloud
hydrodynamics – ISM bubbles – planetary nebulae general – planetary nebulae individual NGC 7293
2010/11/15
A new mechanism for the formation of cometary tails behind dense clouds or globules is discussed. Numerical hydrodynamical models show that when a dense shell of swept-up matter overruns a cloud, mate...
On the alpha formalism for the common envelope interaction
the alpha formalism the common envelope interaction
2011/1/10
The {\alpha}-formalism is a common way to parametrize the common envelope interaction between a giant star and a more compact companion. The {\alpha} parameter describes the fraction of orbital energy...