Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...249..138b&link_type=abstract
Astrophysical Journal, Part 1, vol. 249, Oct. 1, 1981, p. 138-144. Research supported by Harvard University
Astronomy and Astrophysics
Astrophysics
37
Association Reactions, Emission Spectra, Hydrogen, Molecular Gases, Planetary Nebulae, Black Body Radiation, Infrared Spectra, Interstellar Gas, Line Spectra, Masers, Molecular Rotation, Recombination Coefficient, Vibrational Spectra
Scientific paper
The infrared emission spectrum of H2 resulting from the associative detachment of H and H- is calculated. It is characterized by pure rotational transitions in excited vibrational states and is readily distinguished from that expected from ultraviolet pumping or from shock excitation. The combined effects of associative detachment and of ultraviolet pumping are discussed with reference to H2 line emission from planetary nebulae.
Black John Harry
Dalgarno Alexander
Porter Alain
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