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www.atmos-chem-phys.net/9/8967/2009/
doi:10.5194/acp-9-8967-2009
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Technical note: Scintillations of the double star α Cru observed by GOMOS/Envisat
1Earth observation, Finnish Meteorological Institute, Helsinki, Finland
2LATMOS, Université Versailles Saint-Quentin; CNRS/INSU, Verrières-le-Buisson, France
3Organization of Russian Academy of Sciences A. M. Obukhov Institute of Atmospheric Physics RAS, Moscow, Russia
Abstract. In this paper, we discuss scintillation time-spectra of the double star α Cru, which were measured by the GOMOS/Envisat photometer. The components of α Cru are not resolved by the angular field of view of the detector. The double structure of the light source reveals itself in the modulation of the observed scintillation spectra; this modulation is caused by anisotropic irregularities of the stratospheric air density. We present a qualitative and quantitative explanation of the properties of the double-star scintillation spectra. Possibilities of using double star scintillations for studying atmospheric air density irregularities are also discussed in the paper.
Final Revised Paper (PDF, 376 KB) Discussion Paper (ACPD) Special Issue
Citation: Sofieva, V. F., Dalaudier, F., Kan, V., and Gurvich, A. S.: Technical note: Scintillations of the double star α Cru observed by GOMOS/Envisat, Atmos. Chem. Phys., 9, 8967-8973, doi:10.5194/acp-9-8967-2009, 2009. Bibtex EndNote Reference Manager XML
