On-sky results of the adaptive optics MACAO for the new IR-spectrograph CRIRES at VLT

J. Paufique; P. Biereichel; B. Delabre; R. Donaldson; R. Esteves; E. Fedrigo; P. Gigan; D. Gojak; N. Hubin; M. Kasper; U. Kaeufl; JL. Lizon; E. Marchetti; S. Oberti; JF. Pirard; E. Pozna; J. Santos; S. Stroebele; S. Tordo

doi:10.1117/12.671504

arXiv · astro-ph/0608010

On-sky results of the adaptive optics MACAO for the new IR-spectrograph CRIRES at VLT

J. Paufique·P. Biereichel·B. Delabre·R. Donaldson·R. Esteves·E. Fedrigo·P. Gigan·D. Gojak·N. Hubin·M. Kasper·U. Kaeufl·JL. Lizon·E. Marchetti·S. Oberti·JF. Pirard·E. Pozna·J. Santos·S. Stroebele·S. Tordo

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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. Kaeufl, JL. Lizon, E. Marchetti, S. Oberti, JF. Pirard, E. Pozna, J. Santos, S. Stroebele, S. Tordo. 2006-08-01. On-sky results of the adaptive optics MACAO for the new IR-spectrograph CRIRES at VLT. https://doi.org/10.1117/12.671504

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