A sensitive upper limit to OCS in Comet Austin (1989c1) from a search for nu3 emission at 4.85 microns

Details A sensitive upper limit to OCS in Comet Austin (1989c1) from a search for nu3 emission at 4.85 microns A sensitive upper limit to OCS in Comet Austin (1989c1) from a search for nu3 emission at 4.85 microns

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992icar...97..155d&link_type=abstract

Icarus (ISSN 0019-1035), vol. 97, no. 1, May 1992, p. 155-158.

Astronomy and Astrophysics

Astronomy

9

Austin Comet, Carbonyl Compounds, Echelle Gratings, Infrared Astronomy, Sulfur Compounds, Vega Project, Halley'S Comet, Millimeter Waves, Radio Telescopes

Scientific paper

Cryogenic echelle grating spectrometry of Comet Austin has been obtained for the p(1) through p(14) line frequencies of the nu3 band of OCS. A 3-sigma upper limit for OCS abundance of 0.0055 is derived, relative to H2O, for an assumed coma temperature of 50 K. This value is intermediate between the IRAM observations of Comet Levy and Vega 1 measurements of P/Halley.

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