Planetary Fabry-Perot spectroscopy

Details Planetary Fabry-Perot spectroscopy Planetary Fabry-Perot spectroscopy

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986plas.rept...63t&link_type=abstract

In NASA, Washington Reports of Planetary Astronomy, 1985 p 63 (SEE N87-12407 03-89)

Astronomy and Astrophysics

Astronomy

Astronomical Spectroscopy, Atmospheric Composition, Jupiter (Planet), Planetary Atmospheres, Uranus (Planet), Absorption Spectra, Carbon Dioxide, Deuterium Compounds, Fabry-Perot Spectrometers, Infrared Spectra, Mars Observer, Oxygen Spectra, Photochemical Reactions, Water Vapor

Scientific paper

Uranus and Jupiter HD/H2 spectra determine bulk D/H ratios which are significantly different from theoretical expectations, with the Uranus D/H about half the Jovian value. Feasibility of Mars photochemistry study with a PEPSIOS spectrometer was demonstrated with visible band O2, H2O, and CO2 spectra; and near infrared (1.57 micron) spectra of CO and CO2; and NASA/IRTF observations have been proposed in support of the Mars Observer mission objectives. Analysis of monochromatic images clearly resolve the azimuthal and radial structure in the Jovian nebula (ion partitioning, temperature structure, ion/neutral interactions), adding a unique and important post-Voyager perspective and providing a baseline for forthcoming Galileo experiments. Simultaneous ground based and IUE observations of Jovian nebula are under analysis. Doppler resolved image sequences (data cubes) of Io sodium neutrals clearly isolate the high velocity charge exchange jet, a sensitive ground-based probe of the tenuous neutral atmosphere of Io.

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