GPI 2.0: performance of upgrades to the Gemini Planet Imager CAL and IFS

Dillon Peng; Maeve Curliss; Mary Anne Limbach; Jeffrey Chilcote; Randall Hamper; Quinn Konopacky; Joeleff Fitzsimmons; Bruce Macintosh; Christian Marois; Fredrik Rantakyrö; Arlene Aleman; Jérôme Maire; Robert De Rosa; Emiel Por; Dmitry Savransky; Brian Sands; Marshall Perrin; Remi Soummer; Isabel Kain; Laurent Pueyo; Bryony Nickson; Meiji Nguyen; Clarissa Do Ó; Saavidra Perera; Eckhart Spalding

doi:10.1117/12.2630329

29 August 2022 GPI 2.0: performance of upgrades to the Gemini Planet Imager CAL and IFS

Dillon Peng, Maeve Curliss, Mary Anne Limbach, Jeffrey Chilcote, Randall Hamper, Quinn Konopacky, Joeleff Fitzsimmons, Bruce Macintosh, Christian Marois, Fredrik Rantakyrö, Arlene Aleman, Jérôme Maire, Robert De Rosa, Emiel Por, Dmitry Savransky, Brian Sands, Marshall Perrin, Remi Soummer, Isabel Kain, Laurent Pueyo, Bryony Nickson, Meiji Nguyen, Clarissa Do Ó, Saavidra Perera, Eckhart Spalding

Author Affiliations +

Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; 1218443 (2022) https://doi.org/10.1117/12.2630329
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

The Gemini Planet Imager (GPI) is a facility class instrument for the Gemini Observatory with the primary goal of directly detecting young Jovian planets. After several years of successful operations on sky at Gemini South, GPI is undergoing an upgrade at the University of Notre Dame and is being moved to Gemini North. We present the current performance results, from in-lab testing, for several of the upgraded components to the Integral Field Spectrograph (IFS) and the Calibration Wavefront Sensor (CAL) for GPI 2.0. These upgrades include changes to the IFS dispersion prisms, changes to the pupil viewing cameras, and changes to the low order wavefront sensor. These improvements are designed to improve the magnitude and contrast range of GPI. We describe the alignment of several components, their noise characteristics, and their performance in the GPI environment.

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Dillon Peng, Maeve Curliss, Mary Anne Limbach, Jeffrey Chilcote, Randall Hamper, Quinn Konopacky, Joeleff Fitzsimmons, Bruce Macintosh, Christian Marois, Fredrik Rantakyrö, Arlene Aleman, Jérôme Maire, Robert De Rosa, Emiel Por, Dmitry Savransky, Brian Sands, Marshall Perrin, Remi Soummer, Isabel Kain, Laurent Pueyo, Bryony Nickson, Meiji Nguyen, Clarissa Do Ó, Saavidra Perera, and Eckhart Spalding "GPI 2.0: performance of upgrades to the Gemini Planet Imager CAL and IFS", Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 1218443 (29 August 2022); https://doi.org/10.1117/12.2630329

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