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Physical properties of interstellar filaments

Fischera, Joerg; Martin, P G

Description

We analyze the physical parameters of interstellar filaments that we describe by an idealized model of isothermal self-gravitating infinite cylinder in pressure equilibrium with the ambient medium. Their gravitational state is characterized by the ratio f cyl of their mass line density to the maximum possible value for a cylinder in a vacuum. Equilibrium solutions exist only for f cyl < 1. This ratio is used in providing analytical expressions for the central density, the radius, the profile of...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/66361
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201218961

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