Far-infrared spectroscopy of the giant planets: measurements of ammonia and phosphine at Jupiter and Saturn and the continuum of Neptune - Université Paris Cité Accéder directement au contenu
Article Dans Une Revue Advances in Space Research Année : 2004

Far-infrared spectroscopy of the giant planets: measurements of ammonia and phosphine at Jupiter and Saturn and the continuum of Neptune

Résumé

We detected rotational transition features of ammonia and phosphine in the far-infrared spectra of Jupiter and Saturn and measured the far-infrared continuum of Neptune with high photometric accuracy. These observations were made with the long-wavelength spectrometer (LWS) aboard the infrared space observatory (ISO). The LWS covered the wavelength region between 43 and 197 mum (51-233 cm -1) with both medium and high spectral resolving power. Also Neptune's continuum was measured with the LWS and at shorter wavelengths with the ISO short-wavelength spectrometer (SWS). The spectra observed in the far-infrared are compared to synthetic spectra calculated from atmospheric radiative transfer models using expected values for the constituent vertical concentration profiles.

Dates et versions

hal-03797037 , version 1 (04-10-2022)

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Citer

M. J. Burgdorf, Glenn S. Orton, Thérèse Encrenaz, Gary R. Davis, Emmanuel Lellouch, et al.. Far-infrared spectroscopy of the giant planets: measurements of ammonia and phosphine at Jupiter and Saturn and the continuum of Neptune. Advances in Space Research, 2004, 34, pp.2247-2250. ⟨10.1016/j.asr.2004.04.004⟩. ⟨hal-03797037⟩
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