Jupiter - Evidence for phosphine enhancement at high northern latitudes

Details Jupiter - Evidence for phosphine enhancement at high northern latitudes Jupiter - Evidence for phosphine enhancement at high northern latitudes

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990icar...83..248d&link_type=abstract

Icarus (ISSN 0019-1035), vol. 83, Jan. 1990, p. 248-253.

Astronomy and Astrophysics

Astronomy

20

Atmospheric Composition, Jupiter Atmosphere, Jupiter Red Spot, Phosphines, Photodissociation, Astronomical Spectroscopy, Troposphere, Jupiter, Phosphine, Latitude, Concentration, Troposphere, Comparisons, Photochemistry, Diffusion, Atmosphere, Depth, Spectra, Clouds, Gases, Abundance, Great Red Spot, Equatorial Regions, Earth-Based Observations, Analysis

Scientific paper

High resolution 5-micron observations of Jupiter have yielded measurements of the PH3 (phosphine) 2nu2-band at 1972/cm. PH3 concentrations are enhanced in the deep troposphere by approximately 60 percent at 50 deg N latitude, by comparison with levels both in the North Equatorial Belt of the planet and its Great Red Spot. Differences either in photochemistry or in the deep vertical diffusion of PH3 may be used to account for such variations.

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