W. H. Smith, Ellen G. Zweibel
Abstract
Photodissociation of OH dominates its destruction for a significant range of density and shielding in H I regions. Although inverse predissociation may provide an observable flux of ultraviolet recombination photons, it can provide only a small fraction of the total observed OH in most H I regions.
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Photodissociation of OH dominates its destruction for a significant range of density and shielding in H I regions. Although inverse predissociation may provide an observable flux of ultraviolet recombination photons, it can provide only a small fraction of the total observed OH in most H I regions.
Key concepts: Physics, Astrophysics, Radiative transfer, Photodissociation, Abundance (ecology), Astrochemistry, Interstellar medium, Radical