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Proceedings Paper

Evaluation of performance of the MACAO systems at the VLTI
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Paper Abstract

Multiple Application Curvature Adaptive Optics (MACAO) systems are used at the coud´e focus of the unit telescopes (UTs) at the La-Silla Paranal Observatory, Paranal, to correct for the wave-front aberrations induced by the atmosphere. These systems are in operation since 2005 and are designed to provide beams with 10 mas residual rms tip-tilt error to the VLTI laboratory. We have initiated several technical studies such as measuring the Strehl ratio of the images recorded at the guiding camera of the VLTI, establishing the optimum setup of the MACAO to get collimated and focused beam down to the VLTI laboratory and to the instruments, and ascertaining the data generated by the real time computer, all aimed at characterizing and improving the overall performance of these systems. In this paper we report the current status of these studies.

Paper Details

Date Published: 21 July 2010
PDF: 8 pages
Proc. SPIE 7734, Optical and Infrared Interferometry II, 773436 (21 July 2010); doi: 10.1117/12.857373
Show Author Affiliations
Sridharan Rengaswamy, European Southern Observatory (Chile)
Pierre Haguenauer, European Southern Observatory (Chile)
Stephane Brillant, European Southern Observatory (Chile)
Angela Cortes, European Southern Observatory (Chile)
Julien H. Girard, European Southern Observatory (Chile)
Stephane Guisard, European Southern Observatory (Germany)
Jérôme Paufique, European Southern Observatory (Germany)
Andres Pino, European Southern Observatory (Chile)

Published in SPIE Proceedings Vol. 7734:
Optical and Infrared Interferometry II
William C. Danchi; Françoise Delplancke; Jayadev K. Rajagopal, Editor(s)

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