Observations of the spectrum of Jupiter from 1500 to 2000 A with the IUE

The far-UV spectrum of Jupiter recorded by these observations with the International Ultraviolet Explorer samples only the upper levels of the planet's atmosphere. There are several absorptions caused by C/sub 2/H/sub 2/ and indications that NH/sub 3/ may also be present at these altitudes. We...

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Veröffentlicht in:	Astrophys. J., Lett. Ed.; (United States) Lett. Ed.; (United States), 1980-02, Vol.236, p.L39
Hauptverfasser:	Owen, T., Caldwell, J., Rivolo, A. R., Moore, V., Lane, A. L., Sagan, C., Hunt, G. E., Ponnamperuma, C.
Format:	Artikel
Sprache:	eng
Schlagworte:	640107 - Astrophysics & Cosmology- Planetary Phenomena ABSORPTION ACETYLENE ALKYNES AMMONIA ATMOSPHERES CHEMICAL COMPOSITION CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS HYDRIDES HYDROCARBONS HYDROGEN COMPOUNDS JUPITER PLANET NITROGEN COMPOUNDS NITROGEN HYDRIDES ORGANIC COMPOUNDS PHOSPHINES PHOSPHORUS COMPOUNDS PLANETARY ATMOSPHERES PLANETS SPECTRA ULTRAVIOLET SPECTRA
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Zusammenfassung:	The far-UV spectrum of Jupiter recorded by these observations with the International Ultraviolet Explorer samples only the upper levels of the planet's atmosphere. There are several absorptions caused by C/sub 2/H/sub 2/ and indications that NH/sub 3/ may also be present at these altitudes. We find (C/sub 2/H/sub 2/)/(H/sub 2/)=22 x 10/sup -9/ and (NH/sub 3/)/(H/sub 2/)< or =0.5 x 10/sup -9/ for specific absorptions in this spectral region. Ph/sub 3/ may also play a role as a continuum absorber, and we can set a new upper limit of
ISSN:	0004-637X 1538-4357
DOI:	10.1086/183194