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The atmospheric composition and structure of Jupiter and Saturn from ISO observations: a preliminary review

Lellouch, E.; Feuchtgruber, H.; Atreya, S. K. +4 more

Infrared spectra of Jupiter and Saturn have been recorded with the two spectrometers of the Infrared Space Observatory (ISO) in 1995-1998, in the 2.3-180 µm range. Both the grating modes ( R=150-2000) and the Fabry-Pérot modes ( R=8000-30,000) of the two instruments were used. The main results of these observations are (1) the detection of w…

Silicates in Hale-Bopp: hints from laboratory studies

Brucato, J. R.; Mennella, V.; Colangeli, L. +2 more

The recent passage of the Hale-Bopp (C/1995 O1) comet has provided the first opportunity to analyse the infrared spectral properties of a bright comet both from the ground and by the ISO space observatory. Previous works have already been dedicated to study the potential candidates to reproduce the cometary feature at 10 µm observed for diff…