Reference : Terrestrial OH nightglow measurements during the Rosetta flyby
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
http://hdl.handle.net/2268/184355
Terrestrial OH nightglow measurements during the Rosetta flyby
English
Migliorini, A. []
Gérard, Jean-Claude mailto [Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO) >]
Soret, Lauriane mailto [Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP) >]
Piccioni, G. []
Capaccioni, F. []
Filacchione, G. []
Snels, M. []
Tosi, F. []
Jun-2015
Geophysical Research Letters
42
Yes
International
[en] airglow ; remote sensing ; hydroxyl ; Rosetta ; atmospheric composition
[en] We present a study of the terrestrial hydroxyl nightglow emissions observed with the Visible and Infrared Thermal Imaging Spectrometer on board the Rosetta mission. During these observations, the OH Δv = 1 and 2 sequences were measured simultaneously. This allowed investigating the relative population of the v = 1 to 9 vibrational levels by using both sequences. In particular, the relative population of the vibrational level v = 1 is determined for the first time from observations. The vibrational population decreases with increasing vibrational quantum number. A good agreement is found with a recent model calculation assuming multiquantum relaxation for OH(v) quenching by O2 and single-quantum relaxation for OH(v) by N2.
PRODEX
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/184355
10.1002/2015GL064485

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