The contribution of methanol to the 3.4 micron emission feature in comets

Details The contribution of methanol to the 3.4 micron emission feature in comets The contribution of methanol to the 3.4 micron emission feature in comets

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...386..330r&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 386, Feb. 10, 1992, p. 330-335.

Astronomy and Astrophysics

Astrophysics

28

Emission Spectra, Halley'S Comet, Infrared Radiation, Methyl Alcohol, Astronomical Models, Line Spectra, Molecular Spectra

Scientific paper

A fluorescence model for cometary emission in the nu2, nu3, and nu9 bands of methanol is described. This model is used in conjunction with observed spectra of several comets to determine the possible contribution of CH3OH to the frequently seen 3.4-micron 'cometary organic' feature. For Comets P/Halley and Wilson, methanol production rates are retrieved from the flux in the nu3 band centered at about 3.52 microns.

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