The Fermi Large Area Telescope (LAT) light curve repository (LCR) is a
publicly available, continually updated library of gamma-ray light curves of
variable Fermi-LAT sources generated over multiple timescales. The Fermi-LAT
LCR aims to provide publication-quality light curves binned on timescales of 3
days, 7 days, and 30 days for 1525 sources deemed variable in the source
catalog of the first 10 years of Fermi-LAT observations. The repository
consists of light curves generated through full likelihood analyses that model
the sources and the surrounding region, providing fluxes and photon indices for
each time bin. The LCR is intended as a resource for the time-domain and
multi-messenger communities by allowing users to quickly search LAT data to
identify correlated variability and flaring emission episodes from gamma-ray
sources. We describe the sample selection and analysis employed by the LCR and
provide an overview of the associated data access portal.
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