Evidence for shock chemistry in Orion

Details Evidence for shock chemistry in Orion Evidence for shock chemistry in Orion

Dec 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...226l.153l&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 226, Dec. 15, 1978, p. L153-L156.

Astronomy and Astrophysics

Astrophysics

34

Astronomical Spectroscopy, Interstellar Chemistry, Molecular Spectra, Nebulae, Shock Wave Propagation, Abundance, Carbon Compounds, Galactic Evolution, Line Spectra, Silicon Oxides, Sulfur Compounds

Scientific paper

Observations have been obtained of broad molecular line emission from SiO and what is probably a high-lying transition of OCS originating in the pedestal source in Orion. The unusually high abundances of these species in the pedestal source are consistent with the hypothesis that their formation occurred in high-temperature postshocked gas. The location of the pedestal emission in SiO and OCS is apparently not coincident with the Kleinmann-Low infrared source.

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