GPI 2.0: baseline testing of the Gemini Planet Imager before the upgrade

Eckhart Spalding; Clarissa Do Ó; Dillon Peng; Saavidra Perera; Jeffrey Chilcote; Randall Hamper; Quinn Konopacky; Fredrik Rantakyrö; Bruce Macintosh; Dmitry Savransky

doi:10.1117/12.2630580

29 August 2022 GPI 2.0: baseline testing of the Gemini Planet Imager before the upgrade

Eckhart Spalding, Clarissa Do Ó, Dillon Peng, Saavidra Perera, Jeffrey Chilcote, Randall Hamper, Quinn Konopacky, Fredrik Rantakyrö, Bruce Macintosh, Dmitry Savransky

Author Affiliations +

Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; 1218448 (2022) https://doi.org/10.1117/12.2630580
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

Over the past six years the Gemini Planet Imager instrument has carried out adaptive-optics fed high-contrast imaging observations from the Gemini South telescope in Chile. GPI will now be upgraded for increased sensitivity and science capabilities as GPI 2.0, and will be moved to the Gemini North telescope in Hawaii. Here we describe tests we conducted remotely of the GPI instrument before shipment from Chile, and in-person following its arrival at the University of Notre Dame, where the upgrade will take place. These tests were originally designed to accommodate science program requirements and to ensure compatibility with the host observatory. We have now re-performed tests so as to assess the state of the instrument following six years of scientific performance. We present the high-level results of this baselining process, describe their implications and limitations, and compare them with results from tests performed when the original instrument was shipped to Chile in 2013.

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Eckhart Spalding, Clarissa Do Ó, Dillon Peng, Saavidra Perera, Jeffrey Chilcote, Randall Hamper, Quinn Konopacky, Fredrik Rantakyrö, Bruce Macintosh, and Dmitry Savransky "GPI 2.0: baseline testing of the Gemini Planet Imager before the upgrade", Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 1218448 (29 August 2022); https://doi.org/10.1117/12.2630580

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