Source Catalogs from the First Year of Fermi Large Area Telescope Operations

Details Source Catalogs from the First Year of Fermi Large Area Telescope Operations Source Catalogs from the First Year of Fermi Large Area Telescope Operations

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010head...11.0301d&link_type=abstract

American Astronomical Society, HEAD meeting #11, #3.01; Bulletin of the American Astronomical Society, Vol. 41, p.654

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Scientific paper

The Fermi Large Area Telescope (LAT) has been routinely gathering science data since August 2008, surveying the full sky every three hours. Data from the first year of operations have been compiled into a general catalog of LAT sources and catalogs of Active Galactic Nuclei (AGNs, based on the first 11 months of science data) and pulsars (based on 6 months). The analyses of the sources in these catalogs use post-launch refinements of the instrument response functions and of the model of Galactic diffuse emission. The first LAT source catalog (1FGL), has more than 1400 sources with typical localizations better than 10´ and detailed characterizations, including fluxes in 5 bands between 100 MeV and 100 GeV and monthly light curves. Quantitative studies of the populations of gamma-ray emitters represented in the 1FGL catalog are underway; many of the sources have no likely counterparts at other wavelengths. The first LAT AGN catalog includes all LAT sources with Galactic latitudes |b| > 10° that can be confidently associated with AGNs and provides classifications derived from multiwavelength data. The first LAT pulsar catalog includes 46 pulsars including 16 discovered in blind searches of LAT data, with timing parameters, light curves, and spectral fits provided for all.

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