All-sky sensitivity of HAWC to Gamma-Ray Bursts

The High Altitude Water Cherenkov (HAWC) Observatory is a ground-based TeV gamma-ray observatory in the state of Puebla, Mexico at an altitude of 4100 m. Its 22,000 m\(^2\) instrumented area, wide field of view (\(\sim\)2 sr), and >95% uptime make it an ideal instrument for discovering gamma-ray...

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Bibliographic Details
Published in:arXiv.org 2015-08
Main Authors: Wood, Joshua, the HAWC Collaboration
Format: Article
Language:English
Subjects:
Astronomical models
Constraint modelling
Emission
Field of view
Fluxes
Gamma ray astronomy
Gamma ray bursts
Gamma rays
Ground-based observation
High altitude
Observatories
Search algorithms
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Summary:The High Altitude Water Cherenkov (HAWC) Observatory is a ground-based TeV gamma-ray observatory in the state of Puebla, Mexico at an altitude of 4100 m. Its 22,000 m\(^2\) instrumented area, wide field of view (\(\sim\)2 sr), and >95% uptime make it an ideal instrument for discovering gamma-ray burst (GRB) emission at \(\sim\)100 GeV. Such a discovery would provide key information about the origins of prompt GRB emission as well as constraints on extra-galactic background light (EBL) models and the violation of Lorentz invariance. We will present prospects for discovering GRB emission at \(\sim\)100 GeV with a simple, all-sky search algorithm using HAWC data that is most sensitive to short GRBs. The search algorithm presented here can also be used to detect other short transients with timescales and fluxes similar to short GRBs.
ISSN:2331-8422