Multiple Galactic Sources with Emission Above 56 TeV Detected by HAWC

A U Abeysekara¹, A Albert², R Alfaro³, J R Angeles Camacho³, J C Arteaga-Velázquez⁴, K P Arunbabu⁵, D Avila Rojas³, H A Ayala Solares⁶, V Baghmanyan⁷, E Belmont-Moreno³, S Y BenZvi⁸, C Brisbois⁹, K S Caballero-Mora¹⁰, T Capistrán¹¹, A Carramiñana¹¹, S Casanova⁷, U Cotti⁴, J Cotzomi¹², S Coutiño de León¹¹, E De la Fuente^{13

14}, C de León⁴, S Dichiara¹⁵, B L Dingus², M A DuVernois¹⁶, J C Díaz-Vélez^{13

14}, R W Ellsworth⁹, K Engel⁹, C Espinoza³, H Fleischhack¹⁷, N Fraija¹⁵, A Galván-Gámez¹⁵, D Garcia³, J A García-González³, F Garfias¹⁵, M M González¹⁵, J A Goodman⁹, J P Harding², S Hernandez³, J Hinton¹⁸, B Hona¹⁷, D Huang¹⁷, F Hueyotl-Zahuantitla¹⁰, P Hüntemeyer¹⁷, A Iriarte¹⁵, A Jardin-Blicq¹⁸, V Joshi¹⁹, S Kaufmann²⁰, D Kieda¹, A Lara⁵, W H Lee¹⁵, H León Vargas³, J T Linnemann²¹, A L Longinotti¹¹, G Luis-Raya²⁰, J Lundeen²¹, R López-Coto²², K Malone^{2

6}, S S Marinelli²¹, O Martinez¹², I Martinez-Castellanos⁹, J Martínez-Castro²³, H Martínez-Huerta²⁴, J A Matthews²⁵, P Miranda-Romagnoli²⁶, J A Morales-Soto⁴, E Moreno¹², M Mostafá⁶, A Nayerhoda⁷, L Nellen²⁷, M Newbold¹, M U Nisa²¹, R Noriega-Papaqui²⁶, A Peisker²¹, E G Pérez-Pérez²⁰, J Pretz⁶, Z Ren²⁵, C D Rho⁸, C Rivière⁹, D Rosa-González¹¹, M Rosenberg⁶, E Ruiz-Velasco¹⁸, F Salesa Greus⁷, A Sandoval³, M Schneider⁹, H Schoorlemmer¹⁸, G Sinnis², A J Smith⁹, R W Springer¹, P Surajbali¹⁸, E Tabachnick⁹, M Tanner⁶, O Tibolla²⁰, K Tollefson²¹, I Torres¹¹, R Torres-Escobedo^{13

14}, L Villaseñor¹², T Weisgarber¹⁶, J Wood²⁸, T Yapici⁸, H Zhang²⁹, H Zhou²; HAWC Collaboration

Affiliations

¹ Department of Physics and Astronomy, University of Utah, Salt Lake City, Utah, USA.
² Physics Division, Los Alamos National Laboratory, Los Alamos, New Mexico, USA.
³ Instituto de Física, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico.
⁴ Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mexico.
⁵ Instituto de Geofísica, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico.
⁶ Department of Physics, Pennsylvania State University, University Park, Pennsylvania, USA.
⁷ Institute of Nuclear Physics Polish Academy of Sciences, IFJ-PAN, Krakow, Poland.
⁸ Department of Physics & Astronomy, University of Rochester, Rochester, New York, USA.
⁹ Department of Physics, University of Maryland, College Park, Maryland, USA.
¹⁰ Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, México.
¹¹ Instituto Nacional de Astrofísica, Óptica y Electrónica, Puebla, Mexico.
¹² Facultad de Ciencias Físico Matemáticas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico.
¹³ Departamento de Física, Centro Universitario de Ciencias Exactase Ingenierias, Universidad de Guadalajara, Guadalajara, Mexico.
¹⁴ Department of Physics and Astronomy, Texas Tech University, Lubbock, Texas, USA.
¹⁵ Instituto de Astronomía, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico.
¹⁶ Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin, USA.
¹⁷ Department of Physics, Michigan Technological University, Houghton, Michigan, USA.
¹⁸ Max-Planck Institute for Nuclear Physics, Heidelberg, Germany.
¹⁹ Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany.
²⁰ Universidad Politecnica de Pachuca, Pachuca, Hgo, Mexico.
²¹ Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan, USA.
²² INFN and Universita di Padova, via Marzolo 8, Padova, Italy.
²³ Centro de Investigación en Computación, Instituto Politécnico Nacional, México City, México.
²⁴ Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, São Paulo, Brasil.
²⁵ Dept of Physics and Astronomy, University of New Mexico, Albuquerque, New Mexico, USA.
²⁶ Universidad Autónoma del Estado de Hidalgo, Pachuca, Mexico.
²⁷ Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de Mexico, Ciudad de Mexico, Mexico.
²⁸ NASA Marshall Space Flight Center, Hunstville, Alabama, USA.
²⁹ Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana, USA.

PMID: 32004015
DOI: 10.1103/PhysRevLett.124.021102

Multiple Galactic Sources with Emission Above 56 TeV Detected by HAWC

A U Abeysekara et al. Phys Rev Lett. 2020.

. 2020 Jan 17;124(2):021102.

doi: 10.1103/PhysRevLett.124.021102.

Authors

Affiliations

¹ Department of Physics and Astronomy, University of Utah, Salt Lake City, Utah, USA.
² Physics Division, Los Alamos National Laboratory, Los Alamos, New Mexico, USA.
³ Instituto de Física, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico.
⁴ Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mexico.
⁵ Instituto de Geofísica, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico.
⁶ Department of Physics, Pennsylvania State University, University Park, Pennsylvania, USA.
⁷ Institute of Nuclear Physics Polish Academy of Sciences, IFJ-PAN, Krakow, Poland.
⁸ Department of Physics & Astronomy, University of Rochester, Rochester, New York, USA.
⁹ Department of Physics, University of Maryland, College Park, Maryland, USA.
¹⁰ Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, México.
¹¹ Instituto Nacional de Astrofísica, Óptica y Electrónica, Puebla, Mexico.
¹² Facultad de Ciencias Físico Matemáticas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico.
¹³ Departamento de Física, Centro Universitario de Ciencias Exactase Ingenierias, Universidad de Guadalajara, Guadalajara, Mexico.
¹⁴ Department of Physics and Astronomy, Texas Tech University, Lubbock, Texas, USA.
¹⁵ Instituto de Astronomía, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico.
¹⁶ Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin, USA.
¹⁷ Department of Physics, Michigan Technological University, Houghton, Michigan, USA.
¹⁸ Max-Planck Institute for Nuclear Physics, Heidelberg, Germany.
¹⁹ Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany.
²⁰ Universidad Politecnica de Pachuca, Pachuca, Hgo, Mexico.
²¹ Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan, USA.
²² INFN and Universita di Padova, via Marzolo 8, Padova, Italy.
²³ Centro de Investigación en Computación, Instituto Politécnico Nacional, México City, México.
²⁴ Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, São Paulo, Brasil.
²⁵ Dept of Physics and Astronomy, University of New Mexico, Albuquerque, New Mexico, USA.
²⁶ Universidad Autónoma del Estado de Hidalgo, Pachuca, Mexico.
²⁷ Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de Mexico, Ciudad de Mexico, Mexico.
²⁸ NASA Marshall Space Flight Center, Hunstville, Alabama, USA.
²⁹ Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana, USA.

PMID: 32004015
DOI: 10.1103/PhysRevLett.124.021102

Abstract

We present the first catalog of gamma-ray sources emitting above 56 and 100 TeV with data from the High Altitude Water Cherenkov 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.

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Multiple Galactic Sources with Emission Above 56 TeV Detected by HAWC

Affiliations

Multiple Galactic Sources with Emission Above 56 TeV Detected by HAWC

Authors

Affiliations

Abstract

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