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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 ,
S. A. Sandford  and
L. J. Allamandola
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.

Type
Solar System
Information
Symposium - International Astronomical Union , Volume 150: Astrochemistry of Cosmic Phenomena , 1992 , pp. 435 - 436
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, 66–82.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, 264–276.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, 125–144.CrossRefGoogle Scholar