Articles | Volume 8, issue 8
https://doi.org/10.5194/amt-8-3135-2015
https://doi.org/10.5194/amt-8-3135-2015
Research article
 | 
05 Aug 2015
Research article |  | 05 Aug 2015

Retrieval of vertical profiles of atmospheric refraction angles by inversion of optical dilution measurements

D. Fussen, C. Tétard, E. Dekemper, D. Pieroux, N. Mateshvili, F. Vanhellemont, G. Franssens, and P. Demoulin

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Short summary
In this paper, we consider occultations of celestial bodies through the atmospheric limb from low Earth orbit satellites and we show how the usual change of tangent altitude associated with atmospheric refraction is inseparably connected to a variation of the observed apparent intensity, for extended and pointlike sources. We demonstrate, in the regime of weak refraction angles, that atmospheric optical dilution and image deformation are strictly concomitant.