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Density PDFs of diffuse gas in the Milky Way

Published online by Cambridge University Press:  17 September 2012

E.M. Berkhuijsen  and
A. Fletcher
E.M. Berkhuijsen
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany
A. Fletcher
Affiliation:
School of Mathematics and Statistics, Newcastle University, NE1 7RU, UK
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Abstract

The probability distribution functions (PDFs) of the average densities of the diffuse ionized gas (DIG) and the diffuse atomic gas are close to lognormal, especially when lines of sight at |b| < 5∘ and |b|≥ 5∘ are considered separately. Our results provide strong support for the existence of a lognormal density PDF in the diffuse ISM, consistent with a turbulent origin of density structure in the diffuse gas.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 56: The Role of the Disk-Halo Interaction in Galaxy Evolution: Outflow vs. Infall? , 2012 , pp. 243 - 246
Copyright
© EAS, EDP Sciences, 2012

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