Fragmentation and Turbulence in the Interstellar Medium

Details Fragmentation and Turbulence in the Interstellar Medium Fragmentation and Turbulence in the Interstellar Medium

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aspc..385...73a&link_type=abstract

Numerical Modeling of Space Plasma Flows: Astronum 2007 ASP Conference Series, Vol. 385, proceedings of the conference held 10-1

Astronomy and Astrophysics

Astronomy

Scientific paper

The neutral atomic gas (HI) is ubiquitous in the galaxies and is of great importance for the star formation process since molecular clouds form by contraction of HI. We present in this short paper results obtained using high resolution simulations of the turbulent 2-phase atomic gas. We discuss the peculiar properties of the turbulence in this diphasic media and illustrate the strong imprint of thermal instability. We also present the statistical properties of the cold structures formed and propose a theoretical explanation for their mass distribution. Finally, we show that these simulations reproduce various observational features reasonably well.

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