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    • LAT 1-year Point Source Catalog

    Metadata Updated: February 6, 2026

    The Fermi Gamma-ray Space Telescope (Fermi) Large Area Telescope (LAT) is a successor to EGRET, with greatly improved sensitivity, resolution, and energy range. This web page presents the first full catalog of LAT sources, based on the first eleven months of survey data. For a full explanation about the catalog and its construction see the LAT 1-year Catalog Paper.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Created Date November 12, 2020
    Metadata Updated Date February 6, 2026
    Data Update Frequency irregular

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 12, 2020
    Metadata Updated Date February 6, 2026
    Publisher National Aeronautics and Space Administration
    Maintainer
    Identifier NASA-0000221__2
    Data First Published 2018-06-25
    Data Last Modified 2025-03-31
    Category Space Science
    Public Access Level public
    Data Update Frequency irregular
    Bureau Code 026:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id fb1502d1-0541-4fb9-913b-a631d5bd25a9
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL http://fermi.gsfc.nasa.gov/ssc/data/access/lat/1FHL/
    Program Code 026:014
    Source Datajson Identifier True
    Source Hash 40f18d4f1a34b6ff4d3b921eff931667f3acf182028414aee7b1baf638a194af
    Source Schema Version 1.1
    Temporal 2008-08-01/2009-07-01

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