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The Gemini Planet Imager Exoplanet Survey (GPIES) is a direct imaging campaign designed to search for young, self-luminous, giant exoplanets. To date, GPIES has observed nearly 500 targets, and generated over 30,000 individual exposures…

Instrumentation and Methods for Astrophysics · Physics 2018-07-20 Dmitry Savransky , Jacob Shapiro , Vanessa Bailey , Robert De Rosa , Jason Wang , Jean-Baptiste Ruffio , Eric Nielsen , Melisa Tallis , Marshall Perrin

The Gemini Planet Imager (GPI) is a next-generation high-contrast imager built for the Gemini Observatory. The GPI exoplanet survey (GPIES) consortium is made up of 102 researchers from 28 institutions in North and South America and Europe.…

Instrumentation and Methods for Astrophysics · Physics 2016-09-29 Franck Marchis , Paul G. Kalas , Marshall D. Perrin , Quinn M. Konopacky , Dmitry Savransky , Bruce Macintosh , Christian Marois , James R. Graham

The Gemini Planet (GPI) imager is an "extreme" adaptive optics system being designed and built for the Gemini Observatory. GPI combines precise and accurate wavefront control, diffraction suppression, and a speckle-suppressing science…

The Gemini Planet Imager (GPI) is a high performance adaptive optics system being designed and built for the Gemini Observatory. GPI is optimized for high contrast imaging, combining precise and accurate wavefront control, diffraction…

The Gemini Planet Imager (GPI) has been designed for the direct detection and characterization of exoplanets and circumstellar disks. GPI is equipped with a dual channel polarimetry mode designed to take advantage of the inherently…

Several tools have been developed in the past few years for the statistical analysis of the exoplanet search surveys, mostly using a combination of Monte-Carlo simulations or a Bayesian approach.Here we present the Quick-MESS, a grid-based,…

Instrumentation and Methods for Astrophysics · Physics 2015-06-16 Mariangela Bonavita , Ernst J. W. de Mooij , Ray Jayawardhana

CHARIS is an IFS designed for imaging and spectroscopy of disks and sub-stellar companions. To improve ease of use and efficiency of science production, we present progress on a fully-automated backend for CHARIS. This Automated Data…

Instrumentation and Methods for Astrophysics · Physics 2020-12-21 Taylor L. Tobin , Jeffery Chilcote , Timothy Brandt , Thayne Currie , Tyler Groff , Julien Lozi , Olivier Guyon

The Gemini Planet Imager (GPI) is a near-infrared instrument that uses Adaptive Optics (AO), a coronagraph, and advanced data processing techniques to achieve very high contrast images of exoplanets. The GPI Exoplanet Survey (GPIES) is a…

Instrumentation and Methods for Astrophysics · Physics 2018-07-20 Melisa Tallis , Vanessa P. Bailey , Bruce Macintosh , Jeffrey K. Chilcote , Lisa A. Poyneer , Jean-Baptiste Ruffio , Thomas L. Hayward , Dmitry Savransky

Direct imaging (DI) campaigns are uniquely suited to probing the outer regions around young stars and looking for giant exoplanet and brown dwarf companions, hence providing key complementary information to radial velocity (RV) and transit…

Earth and Planetary Astrophysics · Physics 2025-01-08 V. Squicciarini , J. Mazoyer , A. -M. Lagrange , A. Chomez , P. Delorme , O. Flasseur , F. Kiefer

The Gemini Planet Imager (GPI) is a new facility instrument for the Gemini Observatory designed to provide direct detection and characterization of planets and debris disks around stars in the solar neighborhood. In addition to its extreme…

The Gemini Planet Imager (GPI) is an instrument designed to directly image planets and circumstellar disks from 0.9 to 2.5 microns (the $YJHK$ infrared bands) using high contrast adaptive optics with a lenslet-based integral field…

The Gemini Planet Imager (GPI), a coronagraphic adaptive optics instrument designed for spectroscopy of extrasolar planets, had first light in 2013[13]. After five years, GPI has observed more than 500 stars, producing an extensive library…

Modern coronagraphic systems require very precise alignment between optical components and can benefit greatly from automated image processing. We discuss three techniques commonly employed in the fields of computer vision and image…

Instrumentation and Methods for Astrophysics · Physics 2013-05-09 Dmitry Savransky , Sandrine J. Thomas , Lisa A. Poyneer , Bruce A. Macintosh

The Gemini Planet Imager (GPI) is a complex optical system designed to directly detect the self-emission of young planets within two arcseconds of their host stars. After suppressing the starlight with an advanced AO system and apodized…

Curating, processing, and combining large-scale medical imaging datasets from national studies is a non-trivial task due to the intense computation and data throughput required, variability of acquired data, and associated financial…

We have created a new image analysis pipeline to reprocess images taken by the Near Earth Asteroid Tracking survey and have applied it to ten nights of observations. This work is the first large-scale reprocessing of images from an asteroid…

Bayesian optimization has emerged as a powerful strategy to accelerate scientific discovery by means of autonomous experimentation. However, expensive measurements are required to accurately estimate materials properties, and can quickly…

Machine Learning · Statistics 2021-03-08 Riley J. Hickman , Florian Häse , Loïc M. Roch , Alán Aspuru-Guzik
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