Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991icar...93...88m&link_type=abstract
Icarus (ISSN 0019-1035), vol. 93, Sept. 1991, p. 88-95. Research supported by CICYT.
Astronomy and Astrophysics
Astronomy
5
Astronomical Spectroscopy, Charge Coupled Devices, Neptune (Planet), Saturn (Planet), Titan, Uranus (Planet), Ammonia, Atmospheric Models, Gas Giant Planets, Methane, Optical Thickness, Pixels, Planetary Atmospheres, Planetary Composition
Scientific paper
High S/N CCD long-slip spectra have been obtained in the 4900-9300 A wavelength range for Uranus, Saturn, Neptune, and Titan, at a spatial resolution sufficiently great, at 1.2 arcsec, to permit the taking of spatially resolved spectra on different regions across the Saturn disk. The spectra of Uranus, Neptune, and Titan are found to be consistent with Neff et al.'s (1984) absolute spectrophotometry. The model atmospheres previously developed by the authors for Saturn are consistent with an enrichment of carbon by a factor of 2, relative to the solar abundance.
Molina Alberto
Moreno Fermin
Ortiz Jose-Luis
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