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Proceedings

Commissioning of the adaptive optics supported LUCI instruments at the Large Binocular Telescope: results

MPS-Authors

Heidt,  Jochen
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Pramskiy,  Alexander
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Thompson,  David
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Seifert,  Walter
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Gredel,  Roland
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Miller,  Doug
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Taylor,  Greg
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Esposito,  Simone
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Puglisi,  Alfio
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Pinna,  Enrico
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Quirrenbach,  Andreas
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

External Resource

https://ui.adsabs.harvard.edu/abs/2018SPIE10702E..0BH
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Citation

Heidt, J., Pramskiy, A., Thompson, D., Seifert, W., Gredel, R., Miller, D., et al. (2018). Commissioning of the adaptive optics supported LUCI instruments at the Large Binocular Telescope: results.


Cite as: https://hdl.handle.net/21.11116/0000-0005-CD60-8
Abstract
The LUCI instruments are a pair of NIR imagers and multi-object spectrographs located at the front bent Gregorian foci of the Large Binocular Telescope (LBT). One of their special features is their diffraction-limited imaging and long-slit spectroscopic capability in combination with the LBT adaptive secondary mirrors. This allows to achieve a spatial resolution down to 60mas and a spectral resolution of up to 25000. Switching from seeing-limited to diffraction-limited observations changes several operational aspects due to features such as the non-common path aberration or the flexure of the instruments. They all require novel techniques to optimize the image quality and to maximize the scientific return. Non-common path aberration can be corrected via look-up tables. For active flexure compensation the night- sky emission is used. The commissioning of the instruments in diffraction-limited mode on sky is largely finished and the instruments have been handed over to the LBT in April 2018.