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The Nancy Grace Roman Space Telescope Coronagraph Instrument (CGI) will be capable of characterizing exoplanets in reflected light and will demonstrate space technologies essential for future missions to take spectra of Earthlike…

This document summarizes how far the Nancy Grace Roman Space Telescope Coronagraph Instrument (Roman CGI) will go toward demonstrating high-contrast imaging and spectroscopic requirements for potential future exoplanet direct imaging…

NASA's Nancy Grace Roman Space Telescope is a flagship astrophysics mission planned for launch no later than May 2027. The Coronagraph Instrument (CGI) aboard Roman will demonstrate the technology for direct imaging and spectroscopy of…

Instrumentation and Methods for Astrophysics · Physics 2025-07-15 Nanaz Fathpour , Milan Mandic , Joel Shields , Zahidul Rahman , Alfredo Valverde

The Nancy Grace Roman Space Telescope (``Roman'') is a 2.4m space telescope scheduled for a 2026 launch. The Coronagraph Instrument (CGI) on Roman is a technology-demonstration instrument with a coronagraph and, for the first time in space,…

The Nancy Grace Roman Space Telescope (Roman), under development by NASA, will investigate possible causes for the phenomenon of dark energy and detect and characterize extra-solar planets. The 2.4 m space telescope has two main…

Instrumentation and Methods for Astrophysics · Physics 2023-09-28 Bijan Nemati , John Krist , Ilya Poberezhskiy , Brian Kern

The Nancy Grace Roman Space Telescope Coronagraph Instrument is a critical technology demonstrator for NASA's Habitable Worlds Observatory. With a predicted visible-light flux ratio detection limit of 1E-8 or better, it will be capable of…

The Wide Field Infrared Survey Telescope (WFIRST) Coronagraph Instrument (CGI) is a high-contrast imager and integral field spectrograph that will enable the study of exoplanets and circumstellar disks at visible wavelengths. Ground-based…

Instrumentation and Methods for Astrophysics · Physics 2019-01-15 Vanessa P. Bailey , Lee Armus , Bala Balasubramanian , Pierre Baudoz , Andrea Bellini , Dominic Benford , Bruce Berriman , Aparna Bhattacharya , Anthony Boccaletti , Eric Cady , Sebastiano Calchi Novati , Kenneth Carpenter , David Ciardi , Brendan Crill , William Danchi , John Debes , Richard Demers , Kjetil Dohlen , Robert Effinger , Marc Ferrari , Margaret Frerking , Dawn Gelino , Julien Girard , Kevin Grady , Tyler Groff , Leon Harding , George Helou , Avenhaus Henning , Markus Janson , Jason Kalirai , Stephen Kane , N. Jeremy Kasdin , Matthew Kenworthy , Brian Kern , John Krist , Jeffrey Kruk , Anne Marie Lagrange , Seppo Laine , Maud Langlois , Herve Le Coroller , Chris Lindensmith , Patrick Lowrance , Anne-Lise Maire , Sangeeta Malhotra , Avi Mandell , Michael McElwain , Camilo Mejia Prada , Bertrand Mennesson , Tiffany Meshkat , Dwight Moody , Patrick Morrissey , Leonidas Moustakas , Mamadou N'Diaye , Bijan Nemati , Charley Noecker , Roberta Paladini , Marshall Perrin , Ilya Poberezhskiy , Marc Postman , Laurent Pueyo , Solange Ramirez , Clement Ranc , Jason Rhodes , A. J. E. Riggs , Maxime Rizzo , Aki Roberge , Daniel Rouan , Joshua Schlieder , Byoung-Joon Seo , Stuart Shaklan , Fang Shi , Remi Soummer , David Spergel , Karl Stapelfeldt , Christopher Stark , Motohide Tamura , Hong Tang , John Trauger , Margaret Turnbull , Roeland van der Marel , Arthur Vigan , Benjamin Williams , Edward J. Wollack , Marie Ygouf , Feng Zhao , Hanying Zhoud , Neil Zimmerman

Over the past two decades, thousands of confirmed exoplanets have been detected. The next major challenge is to characterize these other worlds and their stellar systems. Much information on the composition and formation of exoplanets and…

The Coronagraphic Instrument onboard the Nancy Grace Roman Space Telescope is an important stepping stone towards the characterization of habitable, rocky exoplanets. In a technology demonstration phase conducted during the first 18 months…

Over the past two decades, thousands of confirmed exoplanets have been detected; the next major challenge is to characterize these other worlds and their stellar systems. Much information on the composition and formation of exoplanets and…

The Coronagraph Instrument (CGI) for NASA's Wide Field Infrared Survey Telescope (WFIRST) will constitute a dramatic step forward for high-contrast imaging, integral field spectroscopy, and polarimetry of exoplanets and circumstellar disks,…

NASA's next flagship mission, the Nancy Grace Roman Space Telescope, is a 2.4-meter observatory set to launch no later than May 2027. Roman features two instruments: the Wide Field Imager and the Coronagraph Instrument. Roman's Coronagraph…

The Nancy Grace Roman Space Telescope Coronagraph Instrument will be the first large scale coronagraphmission with active wavefront control to be operated in space and will demonstrate technologies essential tofuture missions to image…

Instrumentation and Methods for Astrophysics · Physics 2021-08-26 Kian Milani , Ewan S. Douglas , Jaren Ashcraft

The coronagraphic instrument (CGI) on the Wide-Field Infrared Survey Telescope (WFIRST) will demonstrate technologies and methods for high-contrast direct imaging and spectroscopy of exoplanet systems in reflected light, including…

Instrumentation and Methods for Astrophysics · Physics 2018-07-17 Ewan S. Douglas , Ashley K. Carlton , Kerri L. Cahoy , N. Jeremy Kasdin , Margaret Turnbull , Bruce Macintosh

The Wide Field Infrared Survey Telescope (WFIRST) Coronagraph Instrument (CGI) will be the first high-performance stellar coronagraph using active wavefront control for deep starlight suppression in space, providing unprecedented levels of…

The Nancy Grace Roman Space Telescope Coronagraph Instrument is a high-contrast imager, polarimeter, and spectrometer that will enable the study of exoplanets and circumstellar disks at visible wavelengths ($\sim$550--850~nm) at contrasts…

The Roman Space Telescope will be a critical mission to demonstrate high-contrast imaging technologies allowing for the characterisation of exoplanets in reflected light. It will demonstrate $10^{-7}$ contrast limits or better at 3--9…

Instrumentation and Methods for Astrophysics · Physics 2024-09-18 Alexis Lau , Élodie Choquet , Lisa Altinier , Iva Laginja , Rémi Soummer , Laurent Pueyo , Nicolas Godoy , Arthur Vigan , David Mary

The Coronagraph Instrument of the Nancy Grace Roman Space Telescope (Roman Coronagraph) will be capable of both total intensity and polarization measurements of circumstellar disks. The polarimetric performance is impacted by polarization…

Instrumentation and Methods for Astrophysics · Physics 2023-09-06 David S. Doelman , Hanae Belaouchi , A. J. Riggs , Bertrand Mennesson , Mireille Ouellet , Rob G. van Holstein , Jeroen Rietjens , Henk Hoevers , Frans Snik

The Nancy Grace Roman Space Telescope Coronagraph Instrument will enable the polarimetric imaging of debris disks and inner dust belts in the optical and near-infrared wavelengths, in addition to the high-contrast polarimetric imaging and…

Earth and Planetary Astrophysics · Physics 2023-11-10 Ramya M Anche , Ewan Douglas , Kian Milani , Jaren Ashcraft , Maxwell A. Millar-Blanchaer , John H Debes , Julien Milli , Justin Hom

The Coronagraph Instrument on board of the Nancy Grace Roman Space Telescope will demonstrate key technologies that will prepare the ground for the Habitable Worlds Observatory. The current predictions for the Roman Coronagraph's detection…

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