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Fermi Portal

https://fermi.gsfc.nasa.gov/

“The FSSC is pleased to announce the official release of the Fourth Fermi-LAT Catalog of High-Energy Sources (4FHL) and the Fermi-GBM SGR/Magnetar Catalog. The 4FHL catalog contains 673 sources detected in the 50 GeV-2 TeV energy range using 16 years of Fermi Large Area Telescope (LAT) observations....” (from the page’s text)

Topic: Government
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Last read: 7 Oct 2026
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arizona.edu “fermi”

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