Fermi Gamma-ray Space Telescope

The Fermi Science Support Center (FSSC) runs the guest investigator program, creates and maintains the mission time line, provides analysis tools for the scientific community, and archives and serves the Fermi data. This web site is the portal to Fermi for all guest investigators.

This view shows the entire sky at energies greater than 1 GeV based on five years of data from the LAT instrument on NASA's Fermi Gamma-ray Space Telescope. Brighter colors indicate brighter gamma-ray sources.
This view shows the entire sky at energies greater than 1 GeV based on five years of data from the LAT
instrument on NASA's Fermi Gamma-ray Space Telescope. Brighter colors indicate brighter gamma-ray sources.
Image Credit: NASA/DOE/Fermi LAT Collaboration

Look into the "Resources" section for finding schedules, publications, useful links etc. The "Proposals" section is where you will be able to find the relevant information and tools to prepare and submit proposals for guest investigator projects. At "Data" you will be able to access the Fermi databases and find the software to analyse them. Address all questions and requests to the helpdesk in "Help".

Fermi Observations for MW 828

Mission Week 828 begins with a 10-minute freeze observation during which an asymmetric -50/+60 deg. profile is loaded. Then, on DOY 104 (2024-4-13) at 18:28 UT a 10-minute freeze observation occurs during which an asymmetric -50/+60 deg. profile is loaded. Next, on DOY 107 (2024-4-16) at 01:50 UT a 10-minute freeze observation occurs during which a symmetric +/-50 deg. profile is loaded. This profile continues until the end of the mission week. The survey repeat period is based on a 5694s orbital period. Note that positive rock angles are south, and negative rock angles are north.

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Latest News

Apr 5, 2024

11th International Fermi Symposium

Please join us in College Park, Maryland, USA on September 9-13, 2024 for the next Fermi Symposium. Abstracts are due May 1st. More information is available at the Symposium website.

Jan 11, 2024

NASA's Fermi Detects Surprise Gamma-Ray Feature Beyond Our Galaxy

Astronomers analyzing 13 years of data from NASA's Fermi Gamma-ray Space Telescope have found an unexpected and as yet unexplained feature outside of our galaxy.
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Jan 4, 2024

Fermi Cycle 17 Proposer Workshop

The deadline for Fermi Cycle-17 Guest Investigator proposals is fast approaching: Feb 15, 2024, 16:30 EST. To help you in preparing your proposals, the Fermi Science Support Center will host a virtual workshop on Jan. 24 2024, at 14:00 EST. We will provide information on proposal submission and evaluation processes, as well as the latest mission news. Resources available to proposers and researchers through the FSSC will be described and there will be opportunity for questions. In addition, we will allot time for optional, user-contributions comprised of short (~5min) presentations on your recent or ongoing Fermi-related scientific activities. If you'd like to attend please register using this form by Jan. 23 so that we can send you the details to join the virtual meeting.

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