Terrestrial OH nightglow measurements during the Rosetta flyby

Migliorini, A.; Gérard, Jean-Claude; Soret, Lauriane; Piccioni, G.; Capaccioni, F.; Filacchione, G.; Snels, M.; Tosi, F.

doi:10.1002/2015GL064485

Reference : Terrestrial OH nightglow measurements during the Rosetta flyby


	Document type :	Scientific journals : Article
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
	To cite this reference:	http://hdl.handle.net/2268/184355

Title :	Terrestrial OH nightglow measurements during the Rosetta flyby
Language :	English
Author, co-author :	Migliorini, A. []
	Gérard, Jean-Claude [Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO) >]
	Soret, Lauriane [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. []
Publication date :	Jun-2015
Journal title :	Geophysical Research Letters
Volume :	42
Peer reviewed :	Yes
Audience :	International
Keywords :	[en] airglow ; remote sensing ; hydroxyl ; Rosetta ; atmospheric composition
Abstract :	[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.
Funders :	PRODEX
Target :	Researchers ; Professionals ; Students
Permalink :	http://hdl.handle.net/2268/184355
DOI :	10.1002/2015GL064485

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