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Attenuation caused by a distant isothermal turbulent screen

Fischera, Joerg; Dopita, Michael


We analyze in detail the attenuation caused by an isothermal turbulent distant foreground dust screen. The attenuation curve is well determined by two parameters, the absolute-to-relative attenuation ratio RVA = AV/E(B - V) and the absolute attenuation Ay. We show quantitatively how these two observable quantities depend on the statistical properties of the local density and the mean attenuation (AV) and how they vary with the thickness of the screen measured in units of the largest turbulent...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: Astrophysical Journal, The
DOI: 10.1086/426185


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