High resolution spectral imagery of comets

Details High resolution spectral imagery of comets High resolution spectral imagery of comets

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986plas.rept..124s&link_type=abstract

In NASA, Washington Reports of Planetary Astronomy, 1985 p 124 (SEE N87-12407 03-89)

Astronomy and Astrophysics

Astronomy

Atmospheric Composition, Cometary Atmospheres, Particle Production, Spectral Resolution, Ammonia, Cyanides, Halley'S Comet, High Resolution, Hydrogen Compounds, Molecular Ions

Scientific paper

C-13/C-12 data at a spectral resolution of 75,000, resolving the background interferences was obtained. Some data was obtained for N-15/N-14. In April, observations were obtained for the D/H ratio. The model analysis of these observations is beginning with the goal of presentation at the Heidelberg Halley meeting. A very large quantity of observations were obtained of both features with variations on the time scale of an hour being measured. At times, the 5577 feature dominates, and at times it is nearly absent. To date, a large body of data have been obtained for C2, NH2, (O I), and probably H2O+, CN, and from the MKO data, OH. These features can all be correlated with respect to their relative velocities and distribution at the time of observation. The Greenstein effect will be used to measure similar results for CN, OH, and few other selected molecular features.

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