Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986icar...67..289o&link_type=abstract
Icarus (ISSN 0019-1035), vol. 67, Aug. 1986, p. 289-304.
Astronomy and Astrophysics
Astronomy
114
Astronomical Photometry, Neptune (Planet), Planetology, Uranus (Planet), Atmospheric Models, Methane, Microwave Radiometers, Millimeter Waves, Narrowband, Submillimeter Waves
Scientific paper
Neptune and Uranus were studied at submillimeter and millimeter wavelengths for 2 yr using the UK IR telescope and the NASA IR telescope at Mauna Kea and the 12 dish at Kitt Peak, AZ. The brightness temperatures of both planets are provided at various wavelengths over the 0.35-3.3 mm interval scanned in the study. The present data, in combination with data from the 17 microns-3 mm interval scanned in the study. The present data, in combination with data from the 17 microns-3 mm interval taken during previous campaigns, are employed to model the temperature structures in the atmospheres of the two planets over the vertical range 100 mbar-8 bar. The data support the presence of active convection processes at the 1 bar level and deeper in both atmospheres. A static equilibrium however, exists between para-H2 and ortho-H2, along with a constant CH4 fraction of 2 percent. Deficiencies in the current database are detailed.
Ade Peter A. R.
Griffin Matt J.
Nolt Ira G.
Orton Glenn S.
Radostitz J. V.
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