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Article Dans Une Revue Atmospheric Chemistry and Physics Année : 2009

Technical note: Scintillations of the double star α Cru observed by GOMOS/Envisat

Résumé

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.
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Dates et versions

hal-00437003 , version 1 (04-09-2015)

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Viktoria F. Sofieva, Francis Dalaudier, Valery Kan, Alexandre S. Gurvich. Technical note: Scintillations of the double star α Cru observed by GOMOS/Envisat. Atmospheric Chemistry and Physics, 2009, 9 (22), pp.8967-8973. ⟨10.5194/acp-9-8967-2009⟩. ⟨hal-00437003⟩
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