Determination of the intrinsic Q/3/S/1/ line intensity ratio of molecular hydrogen

Details Determination of the intrinsic Q/3/S/1/ line intensity ratio of molecular hydrogen Determination of the intrinsic Q/3/S/1/ line intensity ratio of molecular hydrogen

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...259l..47g&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 259, Aug. 1, 1982, p. L47-L49. Research supported by the Aerospace C

Astronomy and Astrophysics

Astrophysics

3

Hydrogen, Infrared Spectra, Line Spectra, Molecular Gases, Planetary Nebulae, Radiant Flux Density, Astronomical Photometry, Atmospheric Attenuation, Interstellar Extinction, Spectral Resolution, Transition Probabilities

Scientific paper

Observations of the H2 nu equals 1 yields 0 S(1) and Q(3) lines in the planetary nebula NGC 7027 yield an intrinsic Q(3)/S(1) line intensity ratio of 0.74 plus or minus 0.08. This value is consistent with the theoretical ratio of the Einstein A coefficients of these transitions calculated by Turner, Kirby-Docken, and Dalgarno (1977). The H I 20-5 line intensity in NGC 7027 is also reported and discussed.

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