Multiple Galactic Sources with Emission Above 56 TeV Detected by HAWC

HAWC Collaboration; Abeysekara, A. U.; Albert, A.; Alfaro, R.; Angeles Camacho, J. R.; Arteaga-Velázquez, J. C.; Arunbabu, K. P.; Avila Rojas, D.; Ayala Solares, H. A.; Baghmanyan, V.; Belmont-Moreno, E.; BenZvi, S. Y.; Brisbois, C.; Caballero-Mora, K. S.; Capistrán, T.; Carramiñana, A.; Casanova, S.; Cotti, U.; Cotzomi, J.; Coutiño de León, S.; De la Fuente, E.; de León, C.; Dichiara, S.; Dingus, B. L.; DuVernois, M. A.; Díaz-Vélez, J. C.; Ellsworth, R. W.; Engel, K.; Espinoza, C.; Fleischhack, H.; Fraija, N.; Galván-Gámez, A.; Garcia, D.; García-González, J. A.; Garfias, F.; González, M. M.; Goodman, J. A.; Harding, J. P.; Hernandez, S.; Hinton, J.; Hona, B.; Huang, D.; Hueyotl-Zahuantitla, F.; Hüntemeyer, P.; Iriarte, A.; Jardin-Blicq, A.; Joshi, V.; Kaufmann, S.; Kieda, D.; Lara, A.; Lee, W. H.; León Vargas, H.; Linnemann, J. T.; Longinotti, A. L.; Luis-Raya, G.; Lundeen, J.; López-Coto, R.; Malone, K.; Marinelli, S. S.; Martinez, O.; Martinez-Castellanos, I.; Martínez-Castro, J.; Martínez-Huerta, H.; Matthews, J. A.; Miranda-Romagnoli, P.; Morales-Soto, J. A.; Moreno, E.; Mostafá, M.; Nayerhoda, A.; Nellen, L.; Newbold, M.; Nisa, M. U.; Noriega-Papaqui, R.; Peisker, A.; Pérez-Pérez, E. G.; Pretz, J.; Ren, Z.; Rho, C. D.; Rivière, C.; Rosa-González, D.; Rosenberg, M.; Ruiz-Velasco, E.; Salesa Greus, F.; Sandoval, A.; Schneider, M.; Schoorlemmer, H.; Sinnis, G.; Smith, A. J.; Springer, R. W.; Surajbali, P.; Tabachnick, E.; Tanner, M.; Tibolla, O.; Tollefson, K.; Torres, I.; Torres-Escobedo, R.; Villaseñor, L.; Weisgarber, T.; Wood, J.; Yapici, T.; Zhang, H.; Zhou, H.

doi:10.1103/PhysRevLett.124.021102

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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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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: https://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.