| Jul 1, 2025 | Updated reference source for Coronagraph Instrument prism dispersion profiles. |
| Apr 28, 2025 | Added and amended pages on Core Community Surveys, General Astrophysics Surveys, Galactic Plane Survey, and Call for Proposals. |
| Apr 28, 2025 | Added link to the ROTAC final report on the site home page. |
| Dec 02, 2024 | Added Supplemental Info for ROSES Call |
| Nov 12, 2024 | Added Coronagraph Instrument CAD models |
| Apr 03, 2024 | Update to Coronagraph observing scenario OS11 simulation. |
| Jul 25, 2023 | Update to Coronagraph observing scenario OS11 simulation. |
| Jan 20, 2023 | Updates to ROSES call Supplemental Information, Coronagraph observing scenario simulations and Spacecraft and Instrument Parameters. |
| Dec 9, 2022 | Links added to the Simulations of the Galaxy Redshift Survey by the Formulation Science Investigation Team |
| Aug 12, 2022 | Additional coronagraph predicted performance parameters added. Information about coronagraph instrument PSF and scattered light added. |
| Jun 23, 2022 | A Simulated Roman High-Latitude Time-Domain Imaging Survey has been posted. |
| May 31, 2022 | New OS11 polarization simulations available for the Shaped Pupil Coronagraph. |
| Mar 28, 2022 | New OS11 simulations available for the Shaped Pupil Coronagraph modes. |
| Mar 08, 2022 | An updated Observing Scenario 9 Post-Processing report is now available. |
| Feb 09, 2022 | New OS11 simulations available for the Hybrid Lyot Coronagraph band 1. |
| Feb 04, 2022 | Information on Coronagraph polarization fraction correction added. |
| Feb 02, 2022 | New Coronagraph filter parameters posted. |
| Jan 07, 2022 | Notes from the Dark Hole Algorithms Working Group posted. |
| Nov 10, 2021 | Talks from Roman Coronagraph Information Sessions posted. |
| Oct 01, 2021 | Roman Galaxy Survey ETC updated to v17, including new options for the BAO survey and readouts. |
| Sep 30, 2021 | A few Coronagraph detector parameter updates and a link to a tool to calculate flux ratio vs separation added. |
| Aug 04, 2021 | Additional Coronagraph Instrument parameters and data have been added. |
| Aug 02, 2021 | New Coronagraph Instrument image simulation code is now available. |
| Mar 08, 2021 | Several updates and additions to telescope and WFI parameters. |
| Feb 16, 2021 | The Observing Scenario 9 Post-Processing report is now available. |
| Jan 10, 2021 | Several Coronagraph Instrument and WFI parameter values updated, including revised sensitivities and a new WFI Ks bandpass. |
| Dec 15, 2020 | Updated Phase C CGI parameters released. |
| Sep 25, 2020 | Roman Space Telescope Virtual Lecture Series schedule and recordings now available. |
| Sep 03, 2020 | Primary Mirror for Roman Space Telescope completed. |
| Aug 21, 2020 | Rogue planets with Roman telescope feature now released. |
| Aug 05, 2020 | CGI contrast curves have been updated using OS9 simulations. |
| Aug 05, 2020 | Imaging Mission Database have been added to the Exoplanet Albedo Spectra page . |
| Jul 29, 2020 | Phase C parameters now available. |
| Jul 24, 2020 | Roman’s Ground System completes Major Review. See press release for description of some of the enabled science. |
| Jun 29, 2020 | New CGI Phase C pupil added. |
| Jun 15, 2020 | New OS9 simulations available for the Shaped Pupil Coronagraph band 3. |
| May 13, 2020 | New OS9 simulations available for the Hybrid Lyot Coronagraph band 1. |
| May 08, 2020 | Simulated CGI Contrast Curves are now available. |
| May 01, 2020 | New Introductory Slides on Nancy Grace Roman Space Telescope exoplanet studies for scientific or public lectures. |
| Apr 14, 2020 | Registration now open for Exoplanet Demographics conference. |
| Feb 28, 2020 | New Circumstellar Disk Model Simulations is available. |
| Nov 11, 2019 | The CGI circumstellar envelope simulations have been updated. |
| Oct 29, 2019 | Updated CGI wavefront error maps and mask designs are now available. |
| Sep 20, 2019 | CGI simulation software FALCO+PROPER now is available on the website. |
| Aug 09, 2019 | Several parameters have been added or updated to reflect Phase B payload design. |
| Jun 25, 2019 | The CGI Synthetic Optic Wavefront Error Maps and README file have been updated. |
| May 28, 2019 | The CGI Observing Scenario (OS) 6 SPC source-offset images and README files have been updated. |
| Apr 18, 2019 | The CGI Exoplanet Imaging Data Challenge Hackathon at IPAC on June 24-25, 2019 is now open for registration. |
| Apr 18, 2019 | The Exoplanet Imaging Data Challenge is now open for preregistration. |
| Apr 18, 2019 | Results from the Microlensing Data Challenge are summarized here. |
| Mar 12, 2019 | Registration now open for Science in Our Own Backyard: Exploring the Galaxy and the Local Group with WFIRST meeting. |
| Feb 19, 2019 | CGI off-axis PSFs for wide field of view SPC now available. |
| Jan 29, 2019 | CGI off-axis PSFs for the HLC now available. |
| Jan 28, 2019 | Added Talks from the AAS 233rd Meeting Special Session on Exoplanetary Microlensing Discoveries. |
| Dec 13, 2018 | New: Optimal Photometric Redshift Calibration of WFIRST Weak Lensing Measurements. |
| Nov 30, 2018 | New simulations of circumstellar environments of host stars for the CGI. |
| Sep 18, 2018 | Python notebook tutorial for Microlensing Data Challenge now available. |
| Aug 30, 2018 | Updated the CGI Pupil Model. |
| Aug 10, 2018 | The GULLS microlensing simulation page was updated. |
| Jul 17, 2018 | CGI Observing Scenario 6 Imaging Simulations now available. |
| Jul 05, 2018 | Announced Microlensing Data Challenge #1. |
| Jun 14, 2018 | Updated WFIRST CGI parameters. |
| Mar 14, 2018 | Added MulensModel microlensing light curve generator and fitter. |
| Feb 15, 2018 | Added WFIRST posters from 231st AAS meeting. |
| Jan 23, 2018 | Talks from 231st AAS Meeting: Exoplanet Science and Astrophysics with WFIRST. |
| Oct 05, 2017 | Added sample output files and graphics to the CRISPY page. |
| Oct 04, 2017 | New set of CGI simulated images added: Synthetic Optic Wavefront Error Maps. |
| Sep 29, 2017 | Release of the EXOSIMS user interface for assessing planetary yields from CGI. |
| Aug 07, 2017 | Several CGI parameter values updated, including several bandpass parameters. |
| Apr 11, 2017 | A new page describing the CGI/IFS data simulator CRISPY is now available. |
| Feb 07, 2017 | Talks from WFIRST at the AAS 229th Meeting. |
| Jan 09, 2017 | Changes have been made to many CGI (Coronagraph) parameters on the Spacecraft and Instrument Parameters page. |
| Dec 28, 2016 | The videos associated with the microlensing tutorial PDFs are now available and linked from the Meetings page. |
| Dec 20, 2016 | The video on the CGI public images page is now inline instead of a download. |
| Sep 29, 2016 | PDF available for first CGI tutorial on the Workshops and Meetings page. |
| Sep 01, 2016 | New, realistic sky and galaxy parameter grism simulations write-up now available. |
| Aug 19, 2016 | Exoplanet Data Challenge #1 now open. |
| Aug 04, 2016 | New images available on the CGI Public Images page. |
| Aug 01, 2016 | Updates to the Workshops, Meetings and Talks page. |
| Jul 14, 2016 | Observational brown dwarf spectra. |
| Jun 28, 2016 | New CGI pupil models and new CGI public sim images. |
| Jun 02, 2016 | New CGI Performance Parameters and improved CGI parameter descriptions. |
| May 9th 2016 | Ushering in the New Age of Microlensing from Space meeting announcement. |
| Apr 19, 2016 | Design Cycle 6 spacecraft & instrument parameters. |
| Apr 04, 2016 | WFIRST 2016 Community Astrophysics talks. |
| Mar 17, 2016 | IPAC Science Center announcement. |
| Feb 18, 2016 | NASA announcement of WFIRST entering phase A added to News. |
| Oct 15, 2015 | Hirata wfGSETC exposure time calculator. |
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