Hydrogen emission from Jupiter: hydrogen emission from sunlit atmosphere of Saturn. Semiannual status report
Technical Report
·
OSTI ID:6482143
Successful IUE observations of the equatorial sunlit atmosphere of Jupiter and Saturn have been obtained. Spectra containing atomic and molecular hydrogen and solar reflection continuum emissions have been analyzed, with the purpose of determining the long term temporal behavior of the electroglow process. Quantitative estimates have been established for the first time using a model analysis of the short wavelength region of the spectrum. Both systems show varying degrees of long term variability in hydrogen emission rate, but the time scale is too short to determine whether there is a dependence on solar cycle activity. As part of the emission modeling program, a preliminary point source spreading function for the IUE SWP instrument has been established, suggesting a wavelength dependence in spectral line width different from previous analyses. Further IUE observations are planned for both Jupiter and Saturn.
- Research Organization:
- Arizona Univ., Tucson (USA)
- OSTI ID:
- 6482143
- Report Number(s):
- N-87-19325; NASA-CR-180245; NAS-1.26:180245
- Country of Publication:
- United States
- Language:
- English
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