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arXiv · 1110.1036

Automated analysis of Fermi-LAT data to trigger ground-based gamma-ray observations

M. Errando·M. Orr·E. Kara
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Abstract

The Fermi Gamma-ray Space Telescope regularly surveys the entire sky in the energy range between 0.3 and 100 GeV with an homogeneous coverage. This makes Fermi a very useful guide for ground-based Cherenkov-telescope arrays like VERITAS, that are sensitive at energies above 100 GeV. The VERITAS collaboration uses information from Fermi-LAT to select potential targets and identify flaring objects in the GeV band. We describe three different analysis pipelines that automatically process and analyze Fermi-LAT data on a daily basis to look for flaring objects: daily light curves of selected targets, an all-sky analysis to identify new flaring sources, and an algorithm that looks for clusters of high-energy photons in time and arrival direction.

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M. Errando, M. Orr, E. Kara. 2011-10-05. Automated analysis of Fermi-LAT data to trigger ground-based gamma-ray observations. https://doi.org/10.7529/icrc2011%2Fv08%2F0993

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