Title

CYANIDE AND ISOCYANIDE ABUNDANCES IN THE COLD, DARK CLOUD TMC-1

Publication Date

1984

Journal or Book Title

ASTROPHYSICAL JOURNAL

Abstract

Cold, dark molecular clouds are particularly useful for the study of interstellar chemistry because their physical parameters are better understood than those of heterogeneous, complex giant molecular clouds. Another advantage is their relatively small distance from the solar system. The present investigaation has the objective to provide accurate abundance ratios for several cyanides and isocyanides in order to constrain models of dark cloud chemistry. The relative abundances of such related species can be particularly useful for the study of chemical processes. The cloud TMC-1 considered in the current study has a remarkably high abundance of acetylene and polyacetylene derivatives. Data at 3 mm, corresponding to the J = 1 to 0 transitions of HCN, H(C-13)N, HN(C-13), HC(N-15), and H(N-15)C were obtained.

Comments

The published version is located at http://adsabs.harvard.edu/doi/10.1086/162229

Volume

282

Pages

516-521

Issue

2

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