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Long Term Analysis for the BAM device

Published online by Cambridge University Press:  15 February 2011

C. Turon ,
F. Meynadier ,
F. Arenou ,
D. Bonino  and
D. Gardiol
D. Bonino
Affiliation:
INAF-Osservatorio Astronomico di Torino, Italy. e-mail: [email protected]
D. Gardiol
Affiliation:
INAF-Osservatorio Astronomico di Torino, Italy. e-mail: [email protected]
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Abstract

Algorithms aimed at the evaluation of critical quantities are based on models with manyparameters, which values are estimated from data. The knowledge, with high accuracy, ofthese values and the control of their temporal evolution are important features. In thiswork, we focus on the latter subject, and we show a proposed pipeline for the BAM (BasicAngle Monitoring) Long Term Analysis, aimed at the study of the calibration parameters ofthe BAM device and of the Basic Angle variation, searching for unwanted trends, cyclicfeatures, or other potential unexpected behaviours.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 45: GAIA: At the Frontiers of Astrometry , 2010 , pp. 37 - 40
Copyright
© EAS, EDP Sciences 2011

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References

Références

EADS Astrium, 2007, Basic Angle Monitoring (BAM) Definition and Performance, Gaia Livelink
Gardiol, D., 2010, Testing Gaia instrument capabilities from simulations, this conference
Bendat, J.S., & Piersol, A.G., 2000, Random Data: Analysis and Measurement Procedures, Wiley Series on Probability and Statistics
Priestley, M.B., 1981, Spectral Analysis and Time Series (Academic Press, London)