A survey of cyclopropenylidene (C3H2) in Galactic sources

Details A survey of cyclopropenylidene (C3H2) in Galactic sources A survey of cyclopropenylidene (C3H2) in Galactic sources

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....97.1403m&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 97, May 1989, p. 1403-1422. Research supported by Naturvetenskapliga Forskningsradet

Astronomy and Astrophysics

Astronomy

48

Cyclic Hydrocarbons, Interstellar Chemistry, Milky Way Galaxy, Molecular Clouds, Abundance, Electron Transitions, Emission Spectra, H Ii Regions, Interstellar Matter, Stellar Envelopes

Scientific paper

A survey of various Galactic sources reveals that C3H2 is one of the more abundant organic constituents of the dense interstellar medium. Detections of the 2(20)-2(11) para line at 21.6 GHz in many sources having strong 1(10)-1(01) emission are discussed. The 2(11)-2(02) line of the para species at 46.8 GHz has been detected in the dark clouds TMC-1 and L134N. The C3H2 emission is shown to be extended in the TMC-1, L134N, W51, and Orion clouds.

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