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Paper: BAM/DASS: Data Analysis Software for Sub-Microarcsecond Astrometry Device
Volume: 434, Astronomical Data Analysis Software and Systems XIX
Page: 131
Authors: Gardiol, D.; Bonino, D.; Lattanzi, M. G.; Riva, A.; Russo, F.
Abstract: The INAF - Osservatorio Astronomico di Torino is part of the Data Processing and Analysis Consortium (DPAC) for Gaia, a cornerstone mission of the European Space Agency. Gaia will perform global astrometry by means of two telescopes looking at the sky along two different lines of sight oriented at a fixed angle, also called basic angle. Knowledge of the basic angle fluctuations at the sub-microarcsecond level over periods of the order of the minute is crucial to reach the mission goals. A specific device, the Basic Angle Monitoring, will be dedicated to this purpose. We present here the software system we are developing to analyze the BAM data and recover the basic angle variations. This tool is integrated into the whole DPAC data analysis software.
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