27 June 2006 On-sky results of the adaptive optics MACAO for the new IR-spectrograph CRIRES at VLT
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Abstract
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.
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J. Paufique, P. Biereichel, B. Delabre, R. Donaldson, R. Esteves, E. Fedrigo, P. Gigan, D. Gojak, N. Hubin, M. Kasper, U. Käufl, J. L. Lizon, E. Marchetti, S. Oberti, J. F. Pirard, Eszter Pozna, J. Santos, S. Stroebele, S. Tordo, "On-sky results of the adaptive optics MACAO for the new IR-spectrograph CRIRES at VLT", Proc. SPIE 6272, Advances in Adaptive Optics II, 627216 (27 June 2006); doi: 10.1117/12.671504; https://doi.org/10.1117/12.671504
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