Sub-parsec Structure of Interstellar H2CO Clouds

Details Sub-parsec Structure of Interstellar H2CO Clouds Sub-parsec Structure of Interstellar H2CO Clouds

Publishing date

Aug 2010

URL

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aj....140..628d&link_type=abstract

Journals

The Astronomical Journal, Volume 140, Issue 2, pp. 628-630 (2010).

Science

Astronomy and Astrophysics

Field

Astronomy

Additional info 3

Ism: Kinematics And Dynamics, Ism: Molecules, Ism: Structure

Type

Scientific paper

Abstract

Data derived from the absorption of background sources by H2CO clouds show that there are smaller cells within the extended clouds. A cell that is found in many clouds extends about 0.5 pc with a velocity dispersion of about 1 km s-1. Larger features, in general, have higher dispersion while those of smaller dimension (tens of AU) have lower dispersion (0.5-0.7 km s-1). These data should be considered in models of the dynamics of interstellar clouds.

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