Search for HC3NH(+) - The upper limit of the column density in TMC-1

Details Search for HC3NH(+) - The upper limit of the column density in TMC-1 Search for HC3NH(+) - The upper limit of the column density in TMC-1

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...351..500a&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 351, March 10, 1990, p. 500-502.

Astronomy and Astrophysics

Astrophysics

5

Cyanoacetylene, Interstellar Matter, Molecular Clouds, Density, Infrared Spectra, Laser Spectroscopy, Methyl Compounds, Interstellar: Molecules, Interstellar: Abundances

Scientific paper

A search for HC3NH+ toward TMC-1 was carried out based on the rotational transition frequencies predicted from the recent laboratory spectroscopic identification in the infrared. The 3 σupper limit for the column density was set at 4.6 × 1011 cm-2. This is about half that predicted by a recent model calculation by Herbst and Leung which employed large rate coefficients for ion-polar molecule reactions.

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