On-sky results of the adaptive optics MACAO for the new IR-spectrograph CRIRES at VLT
Jun 27, 2006
12 pages
Part of Proceedings, Astronomical Telescopes and Instrumentation 2006 : Orlando, Florida, May 24-31, 2006
Published in:
- Proc.SPIE Int.Soc.Opt.Eng. 6272 (2006) 627216
Contribution to:
- Published: Jun 27, 2006
e-Print:
- astro-ph/0608010 [astro-ph]
DOI:
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Abstract: (arXiv)
The adaptive optics MACAO has been implemented in 6 focii of the VLT observatory, in three different flavors. We present in this paper the results obtained during the commissioning of the last of these units, MACAO-CRIRES. CRIRES is a high-resolution spectrograph, which efficiency will be improved by a factor two at least for point-sources observations with a NGS brighter than R=15. During the commissioning, Strehl exceeding 60% have been observed with fair seeing conditions, and a general description of the performance of this curvature adaptive optics system is done.- adaptive optics
- AO
- VLT
- curvature
- calibration
- CRIRES
- MACAO
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