Improved algorithm for the transmittance estimation of spectra obtained with SOIR/Venus Express

Loic Trompet 1 Arnaud Mahieux 2, 1 Bojan Ristic 1 Séverine Robert 1 Valérie Wilquet 1 Ian R. Thomas 1 Ann Carine Vandaele 1 Jean-Loup Bertaux 3
1 BIRA-IASB - Belgian Institute for Space Aeronomy / Institut d'Aéronomie Spatiale de Belgique
2 FNRS - Fonds National de la Recherche Scientifique [Bruxelles]
3 IMPEC - LATMOS
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
Abstract : The Solar Occultation in the InfraRed (SOIR) instrument onboard the ESA Venus Express spacecraft, an infrared spectrometer sensitive from 2.2 to 4.3 μm, probed the atmosphere of Venus from June 2006 until December 2014. During this time, it performed more than 750 solar occultations of the Venus mesosphere and lower thermosphere. A new procedure has been developed for the estimation of the transmittance in order to decrease the number of rejected spectra, to check that the treated spectra are well calibrated, and to improve the quality of the calibrated spectra by reducing the noise and accurately normalizing it to the solar spectrum.
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Journal articles
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Submitted on : Monday, December 12, 2016 - 4:36:41 PM
Last modification on : Friday, September 20, 2019 - 8:20:04 AM

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INSU | UPMC | UVSQ | LATMOS | UNIV-PARIS-SACLAY | SORBONNE-UNIVERSITE | SU-SCIENCES

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Loic Trompet, Arnaud Mahieux, Bojan Ristic, Séverine Robert, Valérie Wilquet, et al.. Improved algorithm for the transmittance estimation of spectra obtained with SOIR/Venus Express. Applied optics, Optical Society of America, 2016, 55 (32), pp.9275-9281. ⟨10.1364/AO.55.009275⟩. ⟨insu-01414917⟩

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