Skip To Content
NASA

Nancy Grace Roman Space Telescope

GODDARD SPACE FLIGHT CENTER

Roman
Space Telescope

Search:

Slide background

Roman Observatory Telescope Allocation Committee (ROTAC) Report Released!

In April 2025, the ROTAC released its recommendations for the three Core Community Surveys: the High-Latitude Wide-Area Survey, the High-Latitude Time-Domain Survey, and the Galactic Bulge Time-Domain Survey.

Find Out More 

Slide background

Roman Science Collaboration

Help amplify the science returns from the Roman mission and the benefits of Roman science investigations to the astronomical community, by sparking collaborations and drawing on the creative insights and talents of researchers with complementary interests and expertise.

Join the Roman Science Collaboration 

Slide background

"NASA’s Roman Mission Shares Detailed Plans to Scour Skies"

Go to NASA Feature 

Slide background

Get Involved

• Roman Virtual Lecture Series
• Interact with the Core Community Survey Definition Committees
• Galactic Plane General Astrophysics Survey Definition
• Roman Forum: Join the Roman Community
• Roman Community Forum: Project Updates
• Join a Roman Working Group

Slide background

Engaging with Roman

Each of the Core Community Surveys will provide data to many teams conducting a large number of diverse science investigations. Roman’s science objectives that will be addressed by the Core Community Surveys are Astrophysics with wide area near-IR surveys, Cosmology, and Exoplanet demographics.

Find Out More 

Slide background

The Coronagraph Community Participation Program

The Coronagraph Community Participation Program (CPP) is planning and execute Coronagraph Instrument technology demonstration observations. The CPP is composed of multiple, competitively selected small, US-based teams, members of the Roman Project Team, and international partner teams from ESA, JAXA, CNES, and the Max Planck Institute for Astronomy. The primary goals of the CPP are to prepare simulation tools, target databases, and data reduction software for the execution of the Coronagraph Instrument technology demonstration.
More information about the Coronagraph CPP

Slide background

WFI Core Community Surveys

Each of the Core Community Surveys will provide data to many teams conducting a large number of diverse science investigations. Roman’s science objectives that will be addressed by the Core Community Surveys are Astrophysics with wide area near-IR surveys, Cosmology, and Exoplanet demographics.
View the Core Community Survey Definition process 

Submit science pitches for the Core Community Surveys:
Galactic Plane science pitches | CCS science pitches

Slide background

Look Around the Telescope

This interactive feature provides views of the telescope from various perspectives. Check the completion status, and discover exactly where the pieces are being built.

View this Interactive Feature



This website is intended for the Roman Science Community. For general information about the mission, please click here to visit the official NASA public audience website.


Key Resources

Listed below are several resources which provide the mission and instrument parameters, technical performance models, and laboratory measurements.

Roman Observatory Overview

  • Mission and Observatory Technical Overview
  • Roman Core Community Surveys
  • Reference Information
  • Spreadsheets

    • Wide-Field Instrument

  • WFI and Observatory Performance
  • Anticipated performance Tables for the WFI

    • Roman Overview Papers

  • 100 Hubbles for the 2020s (Akeson et al. 2019)
  • 2015 Report by the Science Definition Team (Spergel et al. 2015)


    • Coronagraph Instrument Reference Information

  • Coronagraph Instrument Parameters
  • Additional Coronagraph Instrument Parameters, Models and Data
  • Roman Space Telescope Coronagraph Instrument Public Simulated Images
  • Coronagraph Fact Sheet (.pdf)
  • Roman Coronagraph Reference Information (.pdf)

    • Roman Technical Information

  • Roman Technical Information GitHub


    • Additional Resources

    Listed below are several additional resources that provide information on the Roman mission.

    Roman Project Websites

  • NASA's Roman public website
  • Jet Propulsion Laboratory (JPL) NASA
  • Space Telescope Science Institute (STScI)
  • Caltech/IPAC

    • Roman Software and Simulation Tools

  • STScI Roman Science Planning Toolbox
  • IPAC Roman Simulation Repository

    • Roman Fact Sheets

  • Mission & Capabilities Overview (.pdf)
  • Surveying the Sky (.pdf)
  • Stars by the Billions (.pdf)
  • Galaxies by the Millions (.pdf)
  • Cosmology (.pdf)
  • Compiled Spacecraft and Instrument parameters

    • Calibration

  • WFI Touchstone Fields Recommendation Report (.pdf) (.pdf)

    • Roman General Astrophysics Ideas and White Papers

  • Roman Core Community Survey White Papers
  • Selection of Roman-related ASTRO2020 decadal white papers
  • List of Roman-related science papers

    • SIT Resources

  • Web interface to Chris Hirata’s WFIRST Galaxy Survey Exposure Time Calculator
  • Cosmic Dawn SIT javascript WFI exposure time calculator
  • Formulation Science Team Summary Workshop

    • Core Community Survey Resources

  • Supernova Survey memo (.pdf)
  • High latitude time domain survey presentation (.pdf)
  • High Latitude Survey memo (.docx)
  • HLS presentation (.pdf)
  • Microlensing simulation paper (Penny et al) (.pdf)
  • Galactic Bulge Time Domain Survey presentation (.ppt)
    • These can be found at https://asd.gsfc.nasa.gov/romancaa/ (under Design Reference Mission).

    Science Centers

  • Science Support Center (IPAC) pipelines and science processing (.pdf)
  • Science Operations Center (STScI) pipelines and science processing (.pdf)




    • Upcoming Science Events

    JUL 14–18, 2025 : Cosmic Cartography with Roman: Advances in Galaxy Structures, Distributions, Dark Matter, and Dark Energy [Baltimore MD]

    OCT 6-8, 2025 : Infrared Spectroscopy from Space: New Frontiers from Exoplanets to the Early Universe [Pasadena, CA]

    Go to Science Events for More Details  





    Visit the Roman Space Telescope Partner Websites

    Roman at Jet Propulsion Laboratory
    IPAC/Caltech
    Space Telescope Science Institute (STScI)


    NASA logo
    Goddard Space Flight Center

    Contact

    NASA Official: Julie McEnery
    Media Inquiries: Claire Andreoli
    Website Curator: Jennifer Brill



    Privacy Policy   |   Accessibility

    Stay Connected