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Proceedings Article

The Basic Angle Monitoring (BAM) software tool in the context of Gaia's astrometric verification

[+] Author Affiliations
Alberto Riva, Mario G. Lattanzi, Ronald Drimmel, Mario Gai, Deborah Busonero, Raffaella Buzzi, Federico Russo

INAF - Osservatorio Astrofisico di Torino (Italy)

Marco Pecoraro

EURIX (Italy)

Rosario Messineo

ALTEC S.p.a. (Italy)

Proc. SPIE 9150, Modeling, Systems Engineering, and Project Management for Astronomy VI, 91501Z (August 4, 2014); doi:10.1117/12.2056592
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From Conference Volume 9150

  • Modeling, Systems Engineering, and Project Management for Astronomy VI
  • George Z. Angeli; Philippe Dierickx
  • Montréal, Quebec, Canada | June 22, 2014

abstract

The goal of the Gaia mission is to achieve micro-arcsecond astrometry, making Gaia the most important astro- metric space mission of the 21st century. To achieve this performance several innovative technological solutions have been realized as part of the satellite's scientific payload. A critical component of the Gaia scientific pay- load is the Basic Angle Monitoring device (BAM), an interferometric metrology instrument with the task of monitoring, to some picometers, the variation of the Basic Angle between Gaia's two telescopes. In this paper we provide an overview of the AVU/BAM software, running at the Italian Data Processing Center (DPCT), to analyze the BAM data and to recover the basic angle variations at the micro-arcosecond level. Outputs based on preliminary data from Gaia's Commissioning phase are shown as an example. © (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Alberto Riva ; Mario G. Lattanzi ; Ronald Drimmel ; Mario Gai ; Deborah Busonero, et al.
" The Basic Angle Monitoring (BAM) software tool in the context of Gaia's astrometric verification ", Proc. SPIE 9150, Modeling, Systems Engineering, and Project Management for Astronomy VI, 91501Z (August 4, 2014); doi:10.1117/12.2056592; http://dx.doi.org/10.1117/12.2056592


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