The Distribution of Interstellar Matter in IC 5146

Details The Distribution of Interstellar Matter in IC 5146 The Distribution of Interstellar Matter in IC 5146

May 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975ap%26ss..34..377s&link_type=abstract

Astrophysics and Space Science, Volume 34, Issue 2, pp.377-386

Astronomy and Astrophysics

Astrophysics

6

Scientific paper

The very young star cluster IC 5146 is studied using star counts, with a view to determining the distribution of interstellar matter in a region where star formation recently occurred. IC 5146 is embedded in a dark nebula which is very dense near its centre. The total mass of interstellar dust in the nebula is found to be about 4.5M &sun;. Comparison of radio and optical observations of the region indicates that gas and dust are not separated to any great degree by radiation from the embedded stars. A gas/dust ratio of about 150/1 by mass is found. This ratio varies with the dust grain model used.

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