Model of the molecular cloud TMC-1 based on observations of HC3N radio lines

Details Model of the molecular cloud TMC-1 based on observations of HC3N radio lines Model of the molecular cloud TMC-1 based on observations of HC3N radio lines

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pazh...15..324t&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 15, April 1989, p. 324-332. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

Cyanoacetylene, Interstellar Chemistry, Molecular Clouds, Radio Spectra, Gas Temperature, Molecular Collisions, Monte Carlo Method, Spectral Line Width, Turbulence Effects

Scientific paper

The Monte Carlo method was used to determine physical conditions in the TMC-1 from HC3N observations, and a cloud model with essentially inhomogeneous internal physical conditions was developed. According to this model, the TMC-1 is an oblate collapsing spheroid. The gas temperature increased from 8 K at the center to 20 K at the border of the cloud; the H2 density is equal to 20,000/cu cm at the center and decreases according to a power law with increasing distance from the center.

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