Upgrading the Gemini planet imager to GPI 2.0

Saavidra Perera; Jeffrey Chilcote; Quinn Konopacky; Joeleff Fitzsimmons; Randall Hamper; Bruce Macintosh; Christian Marois; Dmitry Savransky; Remi Soummer; Jean-Pierre Veran; Guido Agapito; Arlene Aleman; S. Mark Ammons; Marco Bonaglia; Marc-Andre Boucher; Joel Burke; Maeve Curliss; Robert J. De Rosa; Clarissa Do Ó; Jennifer Dunn; Simone Esposito; Guillaume Filion; Dan Kerley; Jean-Thomas Landry; Olivier Lardiere; Daniel Levinstein; Duan Li; Mary Anne Limbach; Alex Madurowicz; Jérôme Maire; Maxwell Millar-Blanchaer; Bryony Nickson; Eric L. Nielsen; Jayke Nguyen; Meiji Nguyen; Dillon Peng; Marshall D. Perrin; Emiel Por; Lisa Poyneer; Laurent Pueyo; Fredrik Rantakyrö; Brian Sands; Eckhart Spalding; Kaitlyn Summey

doi:10.1117/12.2676960

5 October 2023 Upgrading the Gemini planet imager to GPI 2.0

Saavidra Perera, Jeffrey Chilcote, Quinn Konopacky, Joeleff Fitzsimmons, Randall Hamper, Bruce Macintosh, Christian Marois, Dmitry Savransky, Remi Soummer, Jean-Pierre Veran, Guido Agapito, Arlene Aleman, S. Mark Ammons, Marco Bonaglia, Marc-Andre Boucher, Joel Burke, Maeve Curliss, Robert J. De Rosa, Clarissa Do Ó, Jennifer Dunn, Simone Esposito, Guillaume Filion, Dan Kerley, Jean-Thomas Landry, Olivier Lardiere, Daniel Levinstein, Duan Li, Mary Anne Limbach, Alex Madurowicz, Jérôme Maire, Maxwell Millar-Blanchaer, Bryony Nickson, Eric L. Nielsen, Jayke Nguyen, Meiji Nguyen, Dillon Peng, Marshall D. Perrin, Emiel Por, Lisa Poyneer, Laurent Pueyo, Fredrik Rantakyrö, Brian Sands, Eckhart Spalding, Kaitlyn Summey

Author Affiliations +

Proceedings Volume 12680, Techniques and Instrumentation for Detection of Exoplanets XI; 1268001 (2023) https://doi.org/10.1117/12.2676960
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

The Gemini Planet Imager (GPI) is a high-contrast imaging instrument designed to directly detect and characterize young, Jupiter-mass exoplanets. After six years of operation at Gemini South in Chile, the instrument is being upgraded and relocated to Gemini North in Hawaii as GPI 2.0. GPI helped establish that Jovian-mass planets have a higher occurrence rate at smaller separations, motivating several sub-system upgrades to obtain deeper contrasts (up to 20 times improvement to the current limit), particularly at small inner working angles. This enables access to additional science areas for GPI 2.0, including low-mass stars, young nearby stars, solar system objects, planet formation in disks, and planet variability. The necessary instrumental changes required toenable these new scientific goals are to (i) the adaptive optics system, by replacing the current Shack-Hartmann Wavefront Sensor (WFS) with a pyramid WFS and a custom EMCCD, (ii) the integral field spectrograph, by employing a new set of prisms to enable an additional broadband (Y-K band) low spectral resolution mode, as well as replacing the pupil viewer camera with a faster, lower noise C-RED2 camera (iii) the calibration interferometer, by upgrading the low-order WFS used for internal alignment and on-sky target tracking with a C-RED2 camera and replacing the calibration high-order WFS used for measuring and correcting non-common path aberrations with a self coherent camera, (iv) the apodized-pupil Lyot coronagraph designs and (v) the software, to enable high-efficiency queue operations at Gemini North. GPI 2.0 is expected to go on-sky in early 2024. Here I will present the new scientific goals, the key upgrades, the current status and the latest timeline for operations.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Saavidra Perera, Jeffrey Chilcote, Quinn Konopacky, Joeleff Fitzsimmons, Randall Hamper, Bruce Macintosh, Christian Marois, Dmitry Savransky, Remi Soummer, Jean-Pierre Veran, Guido Agapito, Arlene Aleman, S. Mark Ammons, Marco Bonaglia, Marc-Andre Boucher, Joel Burke, Maeve Curliss, Robert J. De Rosa, Clarissa Do Ó, Jennifer Dunn, Simone Esposito, Guillaume Filion, Dan Kerley, Jean-Thomas Landry, Olivier Lardiere, Daniel Levinstein, Duan Li, Mary Anne Limbach, Alex Madurowicz, Jérôme Maire, Maxwell Millar-Blanchaer, Bryony Nickson, Eric L. Nielsen, Jayke Nguyen, Meiji Nguyen, Dillon Peng, Marshall D. Perrin, Emiel Por, Lisa Poyneer, Laurent Pueyo, Fredrik Rantakyrö, Brian Sands, Eckhart Spalding, and Kaitlyn Summey "Upgrading the Gemini planet imager to GPI 2.0", Proc. SPIE 12680, Techniques and Instrumentation for Detection of Exoplanets XI, 1268001 (5 October 2023); https://doi.org/10.1117/12.2676960

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