Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983icar...55..332f&link_type=abstract
Icarus (ISSN 0019-1035), vol. 55, Aug. 1983, p. 332-336.
Astronomy and Astrophysics
Astronomy
14
Neptune Atmosphere, Planetary Temperature, Stellar Occultation, Upper Atmosphere, Astrometry, Atmospheric Stratification, Atmospheric Temperature, Temperature Inversions, Temperature Profiles, Neptune, Structure, Atmosphere, Occultations, Astronomy, Astrometry, Observations, Lightcurves, Temperature, Thermal Properties, Data
Scientific paper
Observations of the 24 May 1981 occultation of an uncatalogued star by Neptune made at the Cerro Tololo Inter-American Observatory have been analyzed to yield temperature profiles of Neptune's upper atmosphere for number densities near 5×1013 cm-3. The mean temperatures at immersion (latitude -56°) and emersion (latitude -16°) obtained by numerical inversion were 140±10K and 154±10K, respectively. The immersion and emersion profiles are remarkably similar in overall shape, suggestive of global atmospheric layering. From the astrometry of the event, precise relative positions of Neptune and the occulted star were obtained.
Elias Johnathan H.
Elliot James L.
French Richard G.
Mink Douglas J.
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