Upper limits to the S2 abundance in several comets observed with the International Ultraviolet Explorer

Details Upper limits to the S2 abundance in several comets observed with the International Ultraviolet Explorer Upper limits to the S2 abundance in several comets observed with the International Ultraviolet Explorer

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992icar...99..143b&link_type=abstract

Icarus (ISSN 0019-1035), vol. 99, no. 1, p. 143-152.

Computer Science

15

Chemical Composition, Comets, Iue, Spectrum Analysis, Sulfur, Austin Comet, Data Reduction

Scientific paper

Reprocessed IUE spectra are used in conjunction with a recent S2 g-factor calculation in a reevaluation of the S2 scale length in Comet IRAS-Araki-Alcock (1983 VII); a new value of 200 km is derived. S2 abundances are also determined on the basis of a fitting of a reddened solar spectrum and modeled S2 steady-state g-factors to several 2600-3240 A IUE cometary spectra. The only comet surveyed in which S2 has been detected is IRAS-Araki-Alcock. Attention is given to comet-to-comet differences in the S2 abundance relative to water.

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