Fermi Science Support Center

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 477

Mission Week 477 continues the 50-degree sky-survey rocking profile. The week begins with a continuation segment of the previous week’s profile. On DOY 201 at 00:45 there is a 10-minute inertial point observation during which the new survey profile is uploaded. This profile continues until DOY 201 at 16:52 when there are two periods of inertial pointing for CCD dumps. On DOY 201 at 19:10, the 50-degree profile resumes and continues through the end of the week.

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Jul 18, 2017

Gamma-ray Telescopes Reveal a High-energy Trap in Our Galaxy's Center

A combined analysis of data from NASA's Fermi Gamma-ray Space Telescope and the High Energy Stereoscopic System (H.E.S.S.), a ground-based observatory in Namibia, suggests the center of our Milky Way contains a "trap" that concentrates some of the highest-energy cosmic rays, among the fastest particles in the galaxy.
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May 31, 2017

Stage-I Selection Complete for Cycle-10 GI Program

The stage-I selection process for the Fermi Cycle-10 Guest Investigator program has been completed. There were a total of 43 new programs selected for stage I out of 183 proposals submitted. A list of the selected programs, including the PIs, titles and abstracts is available on the FSSC web site.

Apr 24, 2017

NASA's Fermi Catches Gamma-ray Flashes from Tropical Storms

About a thousand times a day, thunderstorms fire off fleeting bursts of some of the highest-energy light naturally found on Earth. These events, called terrestrial gamma-ray flashes (TGFs), last less than a millisecond and produce gamma rays with tens of millions of times the energy of visible light.
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