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Multiple Galactic Sources with Emission above 56 TeV Detected by HAWC

  • (HAWC Collaboration)
    ,
  • A. U. Abeysekara(corresponding author)(Author)
    ,
  • A. Albert(Author)
    ,
  • R. Alfaro(Author)
    ,
  • J. R. Angeles Camacho(Author)
    ,
  • J. C. Arteaga-Velázquez(Author)
*Corresponding author for this work
  • University of Utah
    ,
  • Los Alamos National Laboratory
    ,
  • Universidad Nacional Autónoma de México
    ,
  • Universidad Michoacana de San Nicolas de Hidalgo
    ,
  • Pennsylvania State University
    ,
  • The Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
Research Output:
Contribution to journal
Article
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Citations
225
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Citations
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10.43
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101
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99
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1

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.

Publication Information

Output type

Research Output:
Contribution to journal
Article
 Peer-review

Original language

English

Article number

021102

Pages from-to (Number of pages)

Pages 021102

Journal (Volume, Issue Number)

Physical Review Letters (Volume 124, Issue 2)

Publication milestones

  • Published - 15/01/2020

Publication status

Published - 15/01/2020

ISSN

0031-9007

Publication IDs

  • Scopus: 85078532926
  • PubMed: 32004015

Access to documents

Funding Details

We acknowledge the support from the U.S. National Science Foundation; the U.S. Department of Energy Office of High-Energy Physics; the Laboratory Directed Research and Development program of Los Alamos National Laboratory; Consejo Nacional de Ciencia y Tecnología, México, Grants No. 271051, No. 232656, No. 260378, No. 179588, No. 254964, No. 258865, No. 243290, and No. 132197, A1-S-46288, cátedras 873, 1563, 341, 323, Red HAWC, México; DGAPA-UNAM Grants No. IG100317, No. IN111315, No. IN111716-3, No. IA102715, No. IN109916, No. IA102019, and No. IN112218; VIEP-BUAP; PIFI, PROFOCIE; the University of Wisconsin Alumni Research Foundation; the Institute of Geophysics, Planetary Physics, and Signatures at Los Alamos National Laboratory; Polish Science Centre, Grants No. DEC-2018/31/B/ST9/01069 and No. DEC-2017/27/B/ST9/02272; Coordinación de la Investigación Científica de la Universidad Michoacana; Royal Society—Newton Advanced Fellowship 180385. Thanks to Scott Delay, Luciano Díaz, and Eduardo Murrieta for technical support.
FundersFunding numbers
Coordinación de la Investigación Científica de la Universidad Michoacana
-
DGAPA-UNAM
IN109916, IA102715, IN111716-3, IA102019, IN111315, IG100317, IN112218
Institute of Geophysics
-
Planetary Physics
-
Polish Science Centre
DEC-2018/31/B/ST9/01069, DEC-2017/27/B/ST9/02272
U.S. Department of Energy Office of High-Energy Physics
-
University of Wisconsin Alumni Research Foundation
-
VIEP-BUAP
-
NSF
1806408, 1806854, 1607415, 1912708, 1914549
NSF
-
LDRD
-
LANL
-
Royal Society
180385
Royal Society
-
CONACYT
271051, A1-S-46288, 254964, 258865, 260378, 132197, 179588, 232656, 243290
CONACYT
-