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12 July 2018 The Gemini Planet Imager: looking back over five years and forward to the future
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Abstract
The Gemini Planet Imager (GPI), a coronagraphic adaptive optics instrument designed for spectroscopy of extrasolar planets, had first light in 2013. After five years, GPI has observed more than 500 stars, producing an extensive library of science images and associated telemetry that can be analyzed to determine performance predictors. We will present a summary of on-sky performance and lessons learned. The two most significant factors determining bright star contrast performance are atmospheric coherence time and the presence of dome seeing. With a possible move to Gemini North, we are planning potential upgrades including a pyramid-sensor based AO system with predictive control; we will summarize upgrade options and the science they would enable.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Bruce Macintosh, Jeffery K. Chilcote, Vanessa P. Bailey, Rob de Rosa, Eric Nielsen, Andrew Norton, Lisa Poyneer, Jason Wang, J.-B. Ruffio, J. R. Graham, Christian Marois, Dmitry Savransky, and Jean-Pierre Veran "The Gemini Planet Imager: looking back over five years and forward to the future", Proc. SPIE 10703, Adaptive Optics Systems VI, 107030K (12 July 2018); https://doi.org/10.1117/12.2314253
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