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Proceedings Paper

How Earth atmospheric radiations may affect astronomical observations from low-orbit satellites
Author(s): Abdanour Irbah; Mustapha Meftah; Alain Hauchecorne; El hadji Momar Cisse; Marc Lin; Michel Rouzé
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Paper Abstract

Telescopes are placed on spacecrafts to avoid the effects of the Earth atmosphere on astronomical observations (turbulence, extinction ...). Atmospheric effects however may subsist when satellites are launched in low orbits, typically mean altitudes of the order of 700 km. We will present first in this paper how we are able to estimate the mean Earth radiation flux when we consider temperature housekeeping data recorded with a specific space solar mission having this orbit property. We will show after how some solar parameters extracted from images recorded with the on-board telescope are correlated with the Earth atmospheric radiation flux. We will also present how we find the limits of the South Atlantic Anomaly from affected images.

Paper Details

Date Published: 21 September 2012
PDF: 9 pages
Proc. SPIE 8442, Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave, 84425A (21 September 2012); doi: 10.1117/12.925747
Show Author Affiliations
Abdanour Irbah, LATMOS, CNRS, Univ. Paris VI, Univ. de Versailles St.-Quentin-en-Yvelines (France)
Mustapha Meftah, LATMOS, CNRS, Univ. Paris VI, Univ. de Versailles St.-Quentin-en-Yvelines (France)
Alain Hauchecorne, LATMOS, CNRS, Univ. Paris VI, Univ. de Versailles St.-Quentin-en-Yvelines (France)
El hadji Momar Cisse, LATMOS, CNRS, Univ. Paris VI, Univ. de Versailles St.-Quentin-en-Yvelines (France)
Marc Lin, LATMOS, CNRS, Univ. Paris VI, Univ. de Versailles St.-Quentin-en-Yvelines (France)
Michel Rouzé, Ctr. National Etude Spatiale (France)


Published in SPIE Proceedings Vol. 8442:
Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave
Mark C. Clampin; Giovanni G. Fazio; Howard A. MacEwen; Jacobus M. Oschmann, Editor(s)

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