Theoretical description of spectral line profiles of parent molecules in cometary comae

Details Theoretical description of spectral line profiles of parent molecules in cometary comae Theoretical description of spectral line profiles of parent molecules in cometary comae

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991icar...91..238h&link_type=abstract

Icarus (ISSN 0019-1035), vol. 91, June 1991, p. 238-250.

Astronomy and Astrophysics

Astronomy

7

Astronomical Spectroscopy, Cometary Atmospheres, Line Spectra, Spectrum Analysis, Coma, Halley'S Comet, Infrared Spectra, Interstellar Matter, Monte Carlo Method, Radio Spectra

Scientific paper

The present overview of cometary spectral-line profiles obtainable through advancements in high-resolution spectroscopic studies, which allow the retrieval of coma kinematic properties from velocity-resolved spectral-line profiles, incorporates the most important gas dynamic processes into an outflow model which is tailored to the interpretation of spectroscopic observations of parent molecules. The model is then used to study the influence on parent-molecule spectral line profile formation of the field-of-view, the expansion velocity, the kinetic temperature, and the anisotropic outflow distributions.

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