The CH radical in diffuse interstellar clouds

Details The CH radical in diffuse interstellar clouds The CH radical in diffuse interstellar clouds

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...130...62d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 130, no. 1, Jan. 1984, p. 62-66. Research supported by the Robert A. Welch Fou

Astronomy and Astrophysics

Astrophysics

121

Hydrocarbons, Interstellar Chemistry, Interstellar Gas, Radicals, Astronomical Spectroscopy, Line Spectra

Scientific paper

Observations of the interstellar CH A-X R2(1) line at 4300.3 Å are presented for 29 lines of sight extending form 140 to 2800 pc in the Galactic plane. A comparison of the CH and H2 column density shows that N(CH) ∝ N(H2) as expected for production of CH by a gas phase reaction network running in molecular hydrogen. The network also reproduces the observed ratio N(CH)/N(H2) for these diffuse interstellar clouds.

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