Observational studies of dense core motions

Details Observational studies of dense core motions Observational studies of dense core motions

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.200..183w&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 200, no. 2, p. 183-194.

Astronomy and Astrophysics

Astrophysics

Dark Matter, Molecular Clouds, Molecular Spectra, Ammonia, Astronomical Spectroscopy, Carbon Monoxide, Emission Spectra, Spectral Emission, Spectral Line Width

Scientific paper

The inner motions, outflows, and rotations of dense cores with and without sources are characterized. It is concluded that the thermal factor is not the dominant factor in the broadening of spectral line from dense core, with the exception of NH3 lines. Outflows in the low-mass star-formation regions show rich characteristics and can be responsible for the enhanced line widths in NH3 cores and a significant portion of the enhanced line widths in CO regions.

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