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19 April 2024

» arxiv » 1909.8609

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A New Population of Ultra-High-Energy Gamma-Ray Sources Detected by HAWC
HAWC Collaboration ; A.U. Abeysekara ; A. Albert ; R. Alfaro ; J.R. Angeles Camacho ; J.C. Arteaga-Velázquez ; K.P. Arunbabu ; D. Avila Rojas ; H.A. Ayala Solares ; V. Baghmanyan ; E. Belmont-Moreno ; S.Y. BenZvi ; C. Brisbois ; K.S. Caballero-Mora ; T. Capistrán ; A. Carramiñana ; S. Casanova ; U. Cotti ; J. Cotzomi ; S. Coutiño de León ; E. De la Fuente ; C. de León ; S. Dichiara ; B.L. Dingus ; M.A. DuVernois ; J.C. Díaz-Vélez ; R.W. Ellsworth ; K. Engel ; C. Espinoza ; H. Fleischhack ; N. Fraija ; A. Galván-Gámez ; D. Garcia ; J.A. García-González ; F. Garfias ; M.M. González ; J.A. Goodman ; J.P. Harding ; S. Hernandez ; J. Hinton ; B. Hona ; D. Huang ; F. Hueyotl-Zahuantitla ; P. Hüntemeyer ; A. Iriarte ; A. Jardin-Blicq ; V. Joshi ; S. Kaufmann ; D. Kieda ; A. Lara ; W.H. Lee ; H. León Vargas ; J.T. Linnemann ; A.L. Longinotti ; G. Luis-Raya ; J. Lundeen ; R. López-Coto ; K. Malone ; S.S. Marinelli ; O. Martinez ; I. Martinez-Castellanos ; J. Martínez-Castro ; H. Martínez-Huerta ; J.A. Matthews ; P. Miranda-Romagnoli ; J.A. Morales-Soto ; E. Moreno ; M. Mostafá ; A. Nayerhoda ; L. Nellen ; M. Newbold ; M.U. Nisa ; R. Noriega-Papaqui ; A. Peisker ; E.G. Pérez-Pérez ; J. Pretz ; Z. Ren ; C.D. Rho ; C. Rivière ; D. Rosa-González ; M. Rosenberg ; E. Ruiz-Velasco ; F. Salesa Greus ; A. Sandoval ; M. Schneider ; H. Schoorlemmer ; G. Sinnis ; A.J. Smith ; R.W. Springer ; P. Surajbali ; E. Tabachnick ; M. Tanner ; O. Tibolla ; K. Tollefson ; I. Torres ; R. Torres-Escobedo ; L. Villaseñor ; T. Weisgarber ; J. Wood ; T. Yapici ; H. Zhang ; H. Zhou ;
Date:	18 Sep 2019
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.
Source:	arXiv, 1909.8609
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