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http://hdl.handle.net/20.500.12386/23210
Title: | Terrestrial OH nightglow measurements during the Rosetta flyby | Authors: | MIGLIORINI, Alessandra Gérard, J. C. Soret, L. PICCIONI, GIUSEPPE CAPACCIONI, FABRIZIO FILACCHIONE, GIANRICO Snels, M. TOSI, Federico |
Issue Date: | 2015 | Journal: | GEOPHYSICAL RESEARCH LETTERS | Number: | 42 | Issue: | 13 | First Page: | 5670 | Abstract: | 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 ∆v = 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 O<SUB>2</SUB> and single-quantum relaxation for OH(v) by N<SUB>2</SUB>. <P /> | Acknowledgments: | Acknowledgments The authors wish to thank ESA, ASI, and the national space agencies supporting the Rosetta mission (grant: ASI‐INAF I/024/12/0). L. Soret and J.‐C. Gérard are supported by the PRODEX program managed by ESA with the help of the Belgian Federal Space Science Policy Office. The authors thank Xu and von Clarmann for kindly providing numerical values from their previous works. The Editor thanks Christian von Savignyand an anonymous reviewer for their assistance in evaluating this paper. | URI: | http://hdl.handle.net/20.500.12386/23210 | URL: | https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2015GL064485 | ISSN: | 0094-8276 | DOI: | 10.1002/2015GL064485 | Bibcode ADS: | 2015GeoRL..42.5670M | Fulltext: | open |
Appears in Collections: | 1.01 Articoli in rivista |
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Migliorini_GRL_2015_postprint.pdf | postprint | 936.51 kB | Adobe PDF | View/Open |
Migliorini_et_al-2015-Geophysical_Research_Letters.pdf | 380.49 kB | Adobe PDF | View/Open |
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