LEGRI Science Operation Center. Architecture and Operations |
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| Authors: | Pere Blay Julia Suso Almudena Robert Jose Luis Requena Jorge Alamo Victor Reglero Chris J Eyles |
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| Institution: | (1) GACE, Instituto de Ciencias de los Materiales, Universidad de Valencia, P.O. Box 2085, 46071 Valencia, Spain;(2) Space Research Group, School of Physics and Astronomy, University of Birmingham, Birmingham, B15 2TT, United Kingdom |
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| Abstract: | The LEGRI Science Operation Center (SOC) is the single contact pointbetween the MINISAT-01 Centro de Operaciones Científicas (COC)located at Villafranca del Castillo (Madrid) and the LEGRI Consortium.Its architecture, operational procedures and associated software hasbeen developed at the Universities of Valencia and Birmingham on thescope to define a integrated Data Analysis System, able to perform thedaily follow-up of the instrument health, raw data files decompressionand archiving activities (on-line and historical). Pointing and telecommandfiles generation is also a SOC responsibility.The aim of this paper is to report the SOC activities during the two yearsof LEGRI operations. Conclusions about the SOC architecture and proceduresevolution on how to handle the operations for space-borne instrumentation,are also presented.Special attention has been paid to the operative evaluation of the pointingreconstruction solutions from the MINISAT-01 Attitude Control System bycomparing them with those obtained with the LEGRI Star Sensor. The analysisof one year of observations shows the good agreement between both sets ofdata. No systematic deviations have been found with an averaged standarddeviation of 1 degree in alpha and delta coordinates. For most of the timethe MINISAT pointing system is working slightly better than expected andwithin specifications. |
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