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Laboratory Studies of Planetary Molecules and Ices: The Case of IO

Published online by Cambridge University Press:  07 August 2017

F. Salama
Affiliation:
NASA-Ames Research Center. Space Science Division, MS: 245-6 Moffett Field, CA 94035, U.S.A
S. A. Sandford
Affiliation:
NASA-Ames Research Center. Space Science Division, MS: 245-6 Moffett Field, CA 94035, U.S.A
L. J. Allamandola
Affiliation:
NASA-Ames Research Center. Space Science Division, MS: 245-6 Moffett Field, CA 94035, U.S.A

Abstract

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The techniques of low temperature spectroscopy are applied here to analyze infrared observational data of Io in the 2.0-5.0 μm range. The presence of solid H2S and traces of H2O in the SO2-dominant surface ices are derived from this analysis and it is suggested that CO2 clusters may as well be present near the surface of Io.

Information

Type
Solar System
Copyright
Copyright © Kluwer 1992 

References

References:

1 Salama, F., Allamandola, L. J., Witteborn, F. C., Cruikshank, D. P., Sandford, S. A., and Bregman, J. D. (1990) ‘The 2.5-5.0 μm Spectra of Io: Evidence for H2S and H2O Frozen in SO2, Icarus 83, 6682.CrossRefGoogle Scholar
2 Trafton, L. M., Lester, D. F., Ramseyer, T. F., Salama, F., Sandford, S. A., and Allamandola, L. J. (1991) ‘A New Class of Absorption Feature in Io's Near-Infrared Spectrum’, Icarus 89, 264276.CrossRefGoogle ScholarPubMed
3 Sandford, S. A., Salama, F., Allamandola, L. J., Trafton, L. M., Lester, D. F., and Ramseyer, T. F. (1991) ‘Laboratory Studies of the Newly Discovered Infrared Band at 4705.2 cm−1 (2.1253 μm) in the Spectrum of Io’, Icarus 91, 125144.CrossRefGoogle Scholar