Carbon monoxide outgassing from Comet P/Schwassmann-Wachmann 1

Details Carbon monoxide outgassing from Comet P/Schwassmann-Wachmann 1 Carbon monoxide outgassing from Comet P/Schwassmann-Wachmann 1

May 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995icar..115..213c&link_type=abstract

Icarus (ISSN 0019-1035), vol. 115, no. 1, p. 213-216

Astronomy and Astrophysics

Astronomy

38

Carbon Monoxide, Comet Nuclei, Line Shape, Outgassing, Rotational Spectra, Schwassmann-Wachmann Comet, Kinematics, Radio Astronomy, Reaction Kinetics, Spectral Resolution, Temperature

Scientific paper

We observed the J(2-1) and (1-0) lines of CO in Comet P/Schwassmann-Wachmann 1 with high spectral resolution at four different epochs. The line profile is dominated by a very narrow (0.14 km/sec full width-half maximum (FWHM)) component blueshifted by 0.48 km/sec, with a fainter component redshifted at 0.30 km/sec. We infer the kinematics of the coma, cold (approximately equal to 10 K) kinetic and rotational temperatures, and a CO production rate of 5 x 1028 sec in this distant comet.

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