ANDES, the high-resolution spectrograph for the ELT: design of the adaptive optics system

Bibcode
2024SPIE13097E..4WP
DOI
10.1117/12.3018434
Pinna, Enrico; Selmi, Chiara; Cheffot, Anne-Laure; Azzaroli, Nicolò; Redaelli, Edoardo; Sauvage, Jean-François; Baldini, Veronica; Dunn, Jennifer; Calderone, Giorgio; Agapito, Guido; Simonnin, Adrien; Jouve, Pierre; Véran, Jean-Pierre; Blind, Nicolas; Aliverti, Matteo; Beaudoin, André; Berio, Philippe; Bonaglia, Marco; Briguglio, Runa; Carbonaro, Luca; Chauvin, Gaël.; Chiavassa, Andrea; Chazelas, Bruno; Cirami, Roberto; Coretti, Igor; Di Marcantonio, Paolo; Doniselli, Simone; Fusco, Thierry; Jackson, Kathryn; Marconi, Alessandro; Martinez, Patrice; N'Diaye, Mamadou; Neichel, Benoit; Riva, Marco; Spang, Alain; Soria Hernandez, Esther; Stocks, Jonathan; Sulich, Antonio; Zanutta, Alessio
Bibliographical reference

Adaptive Optics Systems IX

Advertised on:
8
2024
Number of authors
39
IAC number of authors
1
Citations
0
Refereed citations
0
Description
ANDES,the high resolution spectrograph for the ELT, will work both in seeing limited mode and with Adaptive Optics (AO) correction. ANDES-SCAO is a single conjugated AO system working with natural guide stars, feeding the IFU coupled to the YJH spectrograph. The main science goal of the ANDES AO mode is the characterization of the exo-planet atmosphere in reflected light. Hence, the driving technical requirement for the AO system is the PSF contrast. The level of achieved contrast determines the number of exo-planets on which the instrument will be able to detect bio-signatures. The key challenge for the achievement of high contrast is the control of M4 petalling. Here, we present the current status of the ANDES-SCAO design, approaching the ANDES preliminary design review scheduled in fall 2024.
Type
Non-refereed

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