Roman Technical Information

This technical data repository hosts technical information related to the Nancy Grace Roman Space Telescope (Roman), its Wide Field Instrument (WFI), and its Coronagraph technology demonstration (Coronagraph). This repository is open to everyone, and the information contained within is public without any restrictions. The intended audience for this information is primarily the:

• Roman Science Operations Center (SOC) at the Space Telescope Science Institute (STScI)
• Roman Science Support Center (SSC) at the Infrared Processing and Analysis Center (IPAC)
• Project Infrastructure and Wide Field Science Teams
• Committees performing definition of the community survey programs
• Roman user community

Additional Data

Coronagraph Instrument Data

Wide Field Instrument Data

Roman Observatory Data

Anticipated Performance Tables for the Roman WFI

These tables are provided in support of the Request for Information on the Roman Early Definition Astrophysics Survey Option.

View Tables about Anticipated Performance Tables for the Roman WFI

Roman Reference Information

WFI Reference Information

This page has the latest version of Roman WFI and Observatory Performance.

Observatory Reference Information

A compendium of basic information on the Roman Observatory. (PDF / March 1, 2021)

The Coronagraph Instrument - Reference Information

Information here captures the instrument design elements (PDF /January 2025)

Phase B Dispersion Fits Spreadsheet

This spreadsheet provides information on the dispersion for the grism and prism. (XLS)