A dual origin for Neptune's carbon monoxide?

A dual origin for Neptune's carbon monoxide?

Heterodyne observations of Neptune have provided a measurement of the CO(2–1) line profile with a total bandpass of almost 8 GHz and a resolution of 4 MHz. The lineshape indicates that the CO mole fraction in Neptune's atmosphere is not uniform, but increases by a factor of ~2 from the troposph...

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Veröffentlicht in:Astronomy and astrophysics (Berlin) 2005-02, Vol.430 (2), p.L37-L40
Hauptverfasser: Lellouch, E., Moreno, R., Paubert, G.
Format: Artikel
Sprache:eng
Schlagworte:
Astrophysics
Physics
planets and satellites: Neptune
radio-lines: solar system
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Zusammenfassung:Heterodyne observations of Neptune have provided a measurement of the CO(2–1) line profile with a total bandpass of almost 8 GHz and a resolution of 4 MHz. The lineshape indicates that the CO mole fraction in Neptune's atmosphere is not uniform, but increases by a factor of ~2 from the troposphere/lower stratosphere (0.5 ppm at $p>20$ mbar) to the upper stratosphere (1 ppm at $p
ISSN:0004-6361
1432-0746
1432-0756
DOI:10.1051/0004-6361:200400127