Photodissociation rates of OH, OD, and CN by the interstellar radiation field

Details Photodissociation rates of OH, OD, and CN by the interstellar radiation field Photodissociation rates of OH, OD, and CN by the interstellar radiation field

Apr 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...291..202n&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 291, April 1, 1985, p. 202-206.

Astronomy and Astrophysics

Astrophysics

15

Cyanogen, Free Radicals, Hydroxyl Radicals, Interstellar Chemistry, Photodissociation, Ultraviolet Spectra, Absorption Cross Sections, Absorption Spectra

Scientific paper

The photoabsorption cross sections for OH, OD, and CN in the vacuum ultraviolet region are measured. The cross sections for the hydroxyl radicals are of the order of 10-17cm2, but the photoabsorption for CN is so low that only an upper limit of 2×10-18cm2 is obtained. The molecular photodissociative processes are discussed. The photodissociation cross sections are inferred from the photoabsorption cross sections. On the basis of the measured data, the photodissociation rates by the interstellar radiation field are computed and discussed.

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