IR emission from vibrationally excited molecules as a probe of chemistry in cold, dark interstellar clouds

Details IR emission from vibrationally excited molecules as a probe of chemistry in cold, dark interstellar clouds IR emission from vibrationally excited molecules as a probe of chemistry in cold, dark interstellar clouds

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.257p..13d&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 257, no. 1, July 1, 1992, p. 13P, 14P. Research support

Astronomy and Astrophysics

Astronomy

9

Dark Matter, Emission Spectra, Infrared Radiation, Interstellar Chemistry, Molecular Clouds, Vibrational Spectra, Astronomical Spectroscopy, Chemical Reactions, Hydronium Ions, Molecular Spectra

Scientific paper

Molecule formation in interstellar clouds can leave molecules such as H2, CH(+), CH2(+), and CO in vibationally excited states. In general, molecules lose this excitation by emission of IR radiation. The possibility of detecting this emission in dark interstellar clouds is discussed, and it is shown that emission from vibrational excited H2, H3(+) and CO should be detectable. Detection (or nondetection) of this radiation would provide important information on chemical reaction routes in dark interstellar clouds.

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