Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991icar...93..122h&link_type=abstract
Icarus (ISSN 0019-1035), vol. 93, Sept. 1991, p. 122-134.
Astronomy and Astrophysics
Astronomy
63
Astronomical Spectroscopy, Austin Comet, Brorsen-Metcalf Comet, Infrared Radiation, Methyl Alcohol, Okazaki-Levy-Rudenko Comet, Comets, Emission Spectra, Halley'S Comet, Solar System
Scientific paper
Continuum emission has been detected during 3.44-3.64 micron spectral region observations of Comets P/Brorsen-Metcalf, Okazaki-Levy-Rudenko, and Levy. The spatial brightness profile of the 3.52-micron emission feature was measured and found to be consistent with uniform outflow from a central, unresolved source; the molecule generating the emission is either directly sublimated from the cometary surface or is a short-lived parent specie's dissociation product. The modeled IR spectrum of CH3OH implies the consistency of the observed spectra with a methanol origin for the 3.52 emission.
Disanti Michael
Hoban Susan
Joyce Richard R.
Mumma Michael
Reuter Dennis C.
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