Chemistry at high galactic latitudes - CH, CH(+) and CN absorption lines

Details Chemistry at high galactic latitudes - CH, CH(+) and CN absorption lines Chemistry at high galactic latitudes - CH, CH(+) and CN absorption lines

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988msngr..53...47v&link_type=abstract

ESO Messenger (ISSN 0722-6691), Sept. 1988, p. 47-50.

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3

Absorption Spectra, Cyanogen, Hydrocarbons, Interstellar Chemistry, Molecular Clouds, Infrared Spectra, Interstellar Extinction, Interstellar Matter

Scientific paper

High latitude clouds have low visual extinctions similar to those of diffuse clouds, but their strong CO mm-emission is more typical of that found in dark clouds. An effort is presently made to ascertain whether the abundances of other simple molecules are enhanced in high latitude clouds, by searching for CH, CH(+), and CN molecular absorption lines in southern high latitude clouds. Attention is given to the comparative species concentrations of HD 210121, Zeta Oph, HD 169454, and HD 147889.

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