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Multiple Galactic Sources with Emission Above 56 TeV Detected by HAWC

MPS-Authors
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Hinton,  J.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Jardin-Blicq,  A.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Ruiz-Velasco,  E.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Schoorlemmer,  H.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Surajbali,  P.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Fulltext (public)

1909.08609.pdf
(Preprint), 2MB

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Citation

HAWC Collaboration, Abeysekara, A. U., Albert, A., Alfaro, R., Angeles Camacho, J. R., Arteaga-Velázquez, J. C., et al. (2020). Multiple Galactic Sources with Emission Above 56 TeV Detected by HAWC. Physical Review Letters, 124(2): 021102. doi:10.1103/PhysRevLett.124.021102.


Cite as: http://hdl.handle.net/21.11116/0000-0007-8175-3
Abstract
We present the first catalog of gamma-ray sources emitting above 56 and 100 TeV with data from the High Altitude Water Cherenkov (HAWC) Observatory, a wide field-of-view observatory capable of detecting gamma rays up to a few hundred TeV. Nine sources are observed above 56 TeV, all of which are likely Galactic in origin. Three sources continue emitting past 100 TeV, making this the highest-energy gamma-ray source catalog to date. We report the integral flux of each of these objects. We also report spectra for three highest-energy sources and discuss the possibility that they are PeVatrons.