Nonequilibrium chemical analysis of the coma of comet P/Stephan-Oterma

Details Nonequilibrium chemical analysis of the coma of comet P/Stephan-Oterma Nonequilibrium chemical analysis of the coma of comet P/Stephan-Oterma

Apr 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icar...62...82c&link_type=abstract

Icarus, Volume 62, Issue 1, p. 82-96.

Computer Science

5

Scientific paper

A computer code to calculate the time-dependent nonequilibrium chemistry taking place within the coma of a comet has been developed. This code incorporates 1249 chemical reactions involving 128 species. Models were fit to data on Comet P/Stephan-Oterma (, Icarus 62, 72-81). It was shown that (1) HCN is the parent for CN; (2) C2H2 is a parent for C2; (3) pure gas-phase chemistry with known species cannot adequately reproduce the observed C3 but a single step process can; and (4) at least prior to perihelion, the vaporization rate seems to have been controlled by water vaporization.

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