MagAO: status and science

Katie M. Morzinski; Laird M. Close; Jared R. Males; Phil M. Hinz; Simone Esposito; Armando Riccardi; Runa Briguglio; Katherine B. Follette; Enrico Pinna; Alfio Puglisi; Jennifer Vezilj; Marco Xompero; Ya-Lin Wu

doi:10.1117/12.2233911

26 July 2016 MagAO: status and science

Katie M. Morzinski, Laird M. Close, Jared R. Males, Phil M. Hinz, Simone Esposito, Armando Riccardi, Runa Briguglio, Katherine B. Follette, Enrico Pinna, Alfio Puglisi, Jennifer Vezilj, Marco Xompero, Ya-Lin Wu

Author Affiliations +

Proceedings Volume 9909, Adaptive Optics Systems V; 990901 (2016) https://doi.org/10.1117/12.2233911
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

”MagAO" is the adaptive optics instrument at the Magellan Clay telescope at Las Campanas Observatory, Chile. MagAO has a 585-actuator adaptive secondary mirror and 1000-Hz pyramid wavefront sensor, operating on natural guide stars from R-magnitudes of -1 to 15. MagAO has been in on-sky operation for 166 nights since installation in 2012. MagAO's unique capabilities are simultaneous imaging in the visible and infrared with VisAO and Clio, excellent performance at an excellent site, and a lean operations model. Science results from MagAO include the first ground-based CCD image of an exoplanet, demonstration of the first accreting protoplanets, discovery of a new wide-orbit exoplanet, and the first empirical bolometric luminosity of an exoplanet. We describe the status, report the AO performance, and summarize the science results. New developments reported here include color corrections on red guide stars for the wavefront sensor; a new field stop stage to facilitate VisAO imaging of extended sources; and eyepiece observing at the visible-light diffraction limit of a 6.5-m telescope. We also discuss a recent hose failure that led to a glycol coolant leak, and the recovery of the adaptive secondary mirror (ASM) after this recent (Feb. 2016) incident.

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Katie M. Morzinski, Laird M. Close, Jared R. Males, Phil M. Hinz, Simone Esposito, Armando Riccardi, Runa Briguglio, Katherine B. Follette, Enrico Pinna, Alfio Puglisi, Jennifer Vezilj, Marco Xompero, and Ya-Lin Wu "MagAO: status and science", Proc. SPIE 9909, Adaptive Optics Systems V, 990901 (26 July 2016); https://doi.org/10.1117/12.2233911

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