The Coronagraph Instrument on the Nancy Grace Roman Space Telescope is designed to achieve unprecedented high-contrast performance by deploying several key technologies in space for the first time. With its multiple modes, including broadband imaging, spectroscopy, and polarimetry, it will pave the way for future exo-Earth-finding missions and will itself potentially produce groundbreaking exoplanet and disk science. The Coronagraph Instrument is being developed at the Jet Propulsion Laboratory, in collaboration with Goddard Space Flight Center, CNES, MPIA, JAXA, and ESA.

Community information sessions on the Coronagraph Instrument on the Roman Space Telescope were held on October 26 and 28. The purpose of the session was to inform the community about current progress on the Roman Coronagraph Instrument and its capability as a technology demonstrator and potential science instrument. This information may be particularly useful for potential proposers to the Coronagraph Community Participation Program (CPP) element of the Roman Research and Support ROSES solicitation expected later in 2021.

These information session talks contain presentations from the Roman Coronagraph Project on the status and capability of the instrument, from both Coronagraph Science Investigation Teams summarizing their work done and potential future areas of interest, and summaries of additional resources, including open-source simulation tools.

If you have further questions about the info sessions, please email

Oct.26, 2021

Title /PDF	Presenter(s) /Recording	Reference Material
Introduction	Jeremy Kasdin
What the Coronagraph is for and how you can be involved	Dominic Benford
Instrument Overview	Bertrand Mennesson
Observing with the Coronagraph Instrument	Vanessa Bailey
Observation Applications	Sergi Hildebrandt Rafels	Hildebrandt Ref
Overview of Observing Scenarios and Their Simulated Datasets	John Krist
Simulated Datasets for the “Wide” Field of View Shaped Pupil Coronagraph	Jessica Gersh-Range
Working with Simulated Datasets	Marie Ygouf
Observation Calibrations	Rob Zellem
High Order Wavefront Sensing and Control	Neil Zimmerman	ref: Working Group
Trailers for “deep dive” sessions on CGISim+PROPER, FALCO, and lowfssim	John Krist, A. J. Riggs, and Brandon Dube
Spectroscopy Data Simulations	Neil Zimmerman
Open Q&A	Recording

Oct.28, 2021

Title /PDF	Presenter(s) /Recording	Reference Material
Overview of the Science Support Center	Patrick Lowrance
Potential Science Returns Intro	Ewan Douglas
Planet models, tools, science cases, and results from Macintosh SIT	Nikole Lewis, Ryan MacDonald and Brianna Lacy
Simulations of Orbit and Atmosphere Retrieval from Turnbull SIT	Ell Bogat & Prabal Saxena
Disks and Exozodi: Science Case and PSF subtraction results	John Debes
RV precursor work	Stephen Kane & Zhexing Li
Imaging Mission Database (plandb)	Dmitry Savransky
Exposure Time Calculator for the Roman Coronagraph Instrument	Corey Spohn & Sergi Hildebrandt Rafels
Exoplanet Imaging Community Data Challenge	Julien Girard
Target Vetting	Vanessa Bailey
Open Q&A	Recording

Further Deep Dive Sessions

July 2021 — PROPER+CGISim. John Krist (JPL). Link to code page with slides and a recording.

November 2021 — FALCO for the Roman Coronagraph Instrument. A. J. Riggs (JPL). Recording. Link to FALCO code page.

November 2021 — LOWFSSim. Brandon Dube (JPL). Link to code page with slides and a recording.

November 2021 — Roman Coronagraph Exposure Time Calculator. Talk recording Sergi Hildebrandt Rafels (JPL). Video tutorial.

To receive announcements about other upcoming meetings, updates to our instrument and spacecraft, and more, please subscribe to our e-mail list.