First detection of SO2 and CH3OH emission and one unidentified line near 800 GHz

Details First detection of SO2 and CH3OH emission and one unidentified line near 800 GHz First detection of SO2 and CH3OH emission and one unidentified line near 800 GHz

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...340l..37s&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 340, May 1, 1989, p. L37-L40.

Astronomy and Astrophysics

Astrophysics

10

Emission Spectra, Interstellar Chemistry, Methyl Alcohol, Orion Nebula, Sulfur Dioxides, Abundance, Brightness Temperature, Molecular Excitation

Scientific paper

Detections of the SO2 7(7.1) to 6(6.0) and CH3OH 13(1) to 12(0) lines near 800 GHz in the Orion core region, along with a third unidentified line near 800 GHz with a rest frequency of 809,583 + or - 5 MHz, are reported. The results support the modeling of the SO2 emission as an optically-thick beam-diluted source. The line/continuum flux ratio in the Orion core has been estimated to be 30-40 percent for the 350-micron atmospheric window.

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