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Galileo UVS Results and Cassini Preview

Published online by Cambridge University Press:  14 August 2015

L.W. Esposito ,
C.A. Barth ,
A.R. Hendrix ,
C.W. Hord ,
A.I.F. Stewart ,
J.M. Ajello  and
R.A. West
L.W. Esposito
Affiliation:
Laboratory for Atmospheric and Space Physics University of Colorado Boulder, CO 80309
C.A. Barth
Affiliation:
Laboratory for Atmospheric and Space Physics University of Colorado Boulder, CO 80309
A.R. Hendrix
Affiliation:
Laboratory for Atmospheric and Space Physics University of Colorado Boulder, CO 80309
C.W. Hord
Affiliation:
Laboratory for Atmospheric and Space Physics University of Colorado Boulder, CO 80309
A.I.F. Stewart
Affiliation:
Laboratory for Atmospheric and Space Physics University of Colorado Boulder, CO 80309
J.M. Ajello
Affiliation:
Jet Propulsion Laboratory Pasadena, CA 91109
R.A. West
Affiliation:
Jet Propulsion Laboratory Pasadena, CA 91109

Abstract

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UVS results from Jupiter show the Io torus colder and brighter than the Voyager observations. Aurora near Jupiter’s poles emit 1-4 MR from altitudes of 300 – 400 km. Ganymede and Callisto have extended hydrogen exospheres. The near-UV reflectance of the Galilean satellites shows SO2, magnetospheric alteration, and O3. Remote sensing of Jupiter’s stratospheric haze determines that it thickens and darkens towards higher latitudes.

References

Ajello, J. et al. (1997). J. Geophys. Res., (submitted).Google Scholar
Barth, C.A. et al. (1997) Geophys. Res. Lett, 24, pp. 2147–2150.Google Scholar
Esposito, L.W. et al. (1977) Space Science Reviews, (to appear).Google Scholar
Hendrix, A.R. (1997) The Galileo ultraviolet spectrometer: in-flight calibration and UV albedos of the Moon, Gaspra, Ida, and Europa. Ph.D. Dissertation, University of Colorado.Google Scholar
Stewart, A.I.F. et al. (1997) Paper presented at IAGA, August 1997.Google Scholar
West, R.A. et al. (1997) Paper presented at DPS, July 1997.Google Scholar