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All analysis results presented here are preliminary and are not intended as an official catalog of Fermi-LAT detected GRBs. Please consult the table's caveat page for analysis details and other...
Search relevance: 132.87 | Views last month: 3 | Catalog Last Checked: October 14, 2026 at 12:44 AM -
The Fermi GBM Daily Data database table contains entries for each day for which GBM data has been processed.
Search relevance: 128.41 | Views last month: 2 | Catalog Last Checked: June 25, 2026 at 03:08 PM -
The Fermi Gamma-ray Space Telescope was launched in June 2008 to explore high-energy phenomena in the Universe. This GI program is targeted specifically at Fermi observations of high-energy solar...
Search relevance: 121.05 | Views last month: 2 | Catalog Last Checked: April 20, 2026 at 04:12 PM -
Fermi is a powerful space observatory that will open a wide window on the universe. Gamma rays are the highest-energy form of light, and the gamma-ray sky is spectacularly different from the one...
Search relevance: 118.74 | Views last month: 6 | Catalog Last Checked: June 16, 2026 at 10:35 PM -
This catalog of LAT sources above 10 GeV reports the locations, spectra, and variability properties of the 514 sources significantly detected in this range during the first three years of the...
Search relevance: 114.71 | Views last month: 0 | Catalog Last Checked: April 04, 2026 at 09:04 PM -
This catalog of LAT sources above 10 GeV reports the locations, spectra, and variability properties of the 514 sources significantly detected in this range during the first three years of the...
Search relevance: 113.36 | Views last month: 8 | Catalog Last Checked: June 02, 2026 at 07:35 PM -
This catalog of LAT sources above 10 GeV reports the locations, spectra, and variability properties of the 514 sources significantly detected in this range during the first three years of the...
Search relevance: 113.36 | Views last month: 0 | Catalog Last Checked: September 09, 2026 at 01:14 AM -
This table lists all of the triggers observed by one or more of the 14 GBM detectors (12 NaI and 2 BGO). Note that there are two Browse catalogs resulting from GBM triggers. All GBM triggers are...
Search relevance: 111.90 | Views last month: 2 | Catalog Last Checked: November 04, 2026 at 02:02 AM -
This table lists all of the triggers observed by a subset of the 14 GBM detectors (12 NaI and 2 BGO) which have been classified as gamma-ray bursts (GRBs). Note that there are two Browse catalogs...
Search relevance: 110.87 | Views last month: 9 | Catalog Last Checked: August 12, 2026 at 01:21 AM -
This catalog of LAT sources above 10 GeV reports the locations, spectra, and variability properties of the 514 sources significantly detected in this range during the first three years of the...
Search relevance: 109.07 | Views last month: 0 | Catalog Last Checked: August 12, 2026 at 01:22 AM -
This catalog of LAT sources above 10 GeV reports the locations, spectra, and variability properties of the 514 sources significantly detected in this range during the first three years of the...
Search relevance: 108.26 | Views last month: 0 | Catalog Last Checked: October 07, 2026 at 01:04 AM -
The Fermi Gamma-Ray Burst Monitor (GBM) is not a pointed or imaging instrument. To determine fluxes for known sources, we measure the change in the count rate observed in the NaI (or BGO)...
Search relevance: 106.99 | Views last month: 2 | Catalog Last Checked: August 04, 2025 at 06:28 AM -
This catalog of LAT sources above 10 GeV reports the locations, spectra, and variability properties of the 514 sources significantly detected in this range during the first three years of the...
Search relevance: 105.95 | Views last month: 0 | Catalog Last Checked: January 31, 2026 at 08:20 PM -
The First Catalog of Long-Term Transient Sources detected by Fermi Large Area Telescope (LAT) comprises of 142 unique, transient sources that were detected on monthly time intervals during...
Search relevance: 103.04 | Views last month: 10 | Catalog Last Checked: November 03, 2026 at 11:50 PM -
The high-frequency radio sky, like the gamma-ray sky surveyed by the Fermi satellite, is dominated by flat-spectrum radio quasars and BL Lac objects at bright flux levels. To investigate the...
Search relevance: 100.59 | Views last month: 1 | Catalog Last Checked: November 03, 2026 at 11:46 PM -
This table lists all of the triggers observed by one or more of the 14 GBM detectors (12 NaI and 2 BGO). Note that there are two Browse catalogs resulting from GBM triggers. All GBM triggers are...
Search relevance: 99.25 | Views last month: 14 | Catalog Last Checked: November 03, 2026 at 11:45 PM -
The Fermi-Large Area Telescope (LAT) First Source Catalog (1FGL: Abdo et al. 2010, ApJS, 188, 405) was released in 2010 February and the Fermi-LAT 2-Year Source Catalog (2FGL: Nolan et al. 2012,...
Search relevance: 98.56 | Views last month: 5 | Catalog Last Checked: November 03, 2026 at 11:43 PM -
This is a catalog of sources detected above 50 GeV by the Fermi-Large Area Telescope (LAT) in 80 months of data. The newly delivered Pass 8 event-level analysis allows the detection and...
Search relevance: 94.84 | Views last month: 5 | Catalog Last Checked: November 03, 2026 at 11:46 PM -
The Fermi LAT table of bright sources is a list of bright LAT sources that have statistical significances of 10 sigma or higher, based on the first three months of survey data. The primary purpose...
Search relevance: 94.44 | Views last month: 2 | Catalog Last Checked: November 03, 2026 at 11:44 PM -
The Fermi LAT 4-Year Point Source Catalog (3FGL) is a catalog of high-energy gamma-ray sources detected by the Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope (Fermi) mission...
Search relevance: 93.71 | Views last month: 1 | Catalog Last Checked: November 03, 2026 at 11:44 PM
