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Title: MAGIC and Fermi-LAT gamma-ray results on unassociated HAWC sources

Journal Article · · Monthly Notices of the Royal Astronomical Society
DOI:https://doi.org/10.1093/mnras/stz089· OSTI ID:1527112
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  1. ETH Zurich, CH-8093 Zurich, Switzerland
  2. Università di Udine, and INFN Trieste, I-33100 Udine, Italy; Japanese MAGIC Consortium: ICRR, The University of Tokyo, 277-8582 Chiba, Japan, Department of Physics, Kyoto University, 606-8502 Kyoto, Japan, Tokai University, 259-1292 Kanagawa, Japan, The University of Tokushima, 770-8502 Tokushima, Japan
  3. National Institute for Astrophysics (INAF), I-00136 Rome, Italy
  4. Università di Padova and INFN, I-35131 Padova, Italy
  5. Technische Universität Dortmund, D-44221 Dortmund, Germany
  6. Croatian MAGIC Consortium: University of Rijeka, 51000 Rijeka, University of Split – FESB, 21000 Split, University of Zagreb – FER, 10000 Zagreb, University of Osijek, 31000 Osijek and Rudjer Boskovic Institute, 10000 Zagreb, Croatia
  7. Saha Institute of Nuclear Physics, HBNI, 1/AF Bidhannagar, Salt Lake, Sector-1, Kolkata 700064, India
  8. Max-Planck-Institut für Physik, D-80805 München, Germany
  9. Max-Planck-Institut für Physik, D-80805 München, Germany; Centro Brasileiro de Pesquisas Físicas (CBPF), 22290-180 URCA, Rio de Janeiro (RJ), Brasil
  10. Unidad de Partículas y Cosmología (UPARCOS), Universidad Complutense, E-28040 Madrid, Spain
  11. Inst. de Astrofísica de Canarias, E-38200 La Laguna, and Universidad de La Laguna, Dpto. Astrofísica, E-38206 La Laguna, Tenerife, Spain
  12. University of Łódź, Department of Astrophysics, PL-90236 Łódź, Poland
  13. Università di Padova and INFN, I-35131 Padova, Italy; Deutsches Elektronen-Synchrotron (DESY), D-15738 Zeuthen, Germany; Humboldt University of Berlin, Institut für Physik, D-12489 Berlin, Germany
  14. Università di Udine, and INFN Trieste, I-33100 Udine, Italy; Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
  15. Deutsches Elektronen-Synchrotron (DESY), D-15738 Zeuthen, Germany
  16. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain
  17. Università di Siena and INFN Pisa, I-53100 Siena, Italy
  18. Università di Udine, and INFN Trieste, I-33100 Udine, Italy
  19. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain; Port d’Informació Científica (PIC), Bellaterra (Barcelona) E-08193, Spain
  20. Universität Würzburg, D-97074 Würzburg, Germany
  21. Finnish MAGIC Consortium: Tuorla Observatory and Finnish Centre of Astronomy with ESO (FINCA), University of Turku, Vaisalantie 20, FI-21500 Piikkiö, Finland, Astronomy Division, University of Oulu, Pentti Kaiteran katu 1, FI-90014 Oulu, Finland
  22. Università di Padova and INFN, I-35131 Padova, Italy; Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology (BIST), E-08193 Bellaterra (Barcelona), Spain
  23. Departament de Física, and CERES-IEEC, Universitat Autónoma de Barcelona, E-08193 Bellaterra, Spain
  24. Universitat de Barcelona, ICC, IEEC-UB, E-08028 Barcelona, Spain
  25. Japanese MAGIC Consortium: ICRR, The University of Tokyo, 277-8582 Chiba, Japan, Department of Physics, Kyoto University, 606-8502 Kyoto, Japan, Tokai University, 259-1292 Kanagawa, Japan, The University of Tokushima, 770-8502 Tokushima, Japan
  26. Inst. for Nucl. Research and Nucl. Energy, Bulgarian Academy of Sciences, BG-1784 Sofia, Bulgaria
  27. Japanese MAGIC Consortium: ICRR, The University of Tokyo, 277-8582 Chiba, Japan, Department of Physics, Kyoto University, 606-8502 Kyoto, Japan, Tokai University, 259-1292 Kanagawa, Japan, The University of Tokushima, 770-8502 Tokushima, Japan; Max-Planck-Institut für Physik, D-80805 München, Germany
  28. Università di Pisa, and INFN Pisa, I-56126 Pisa, Italy
  29. Japanese MAGIC Consortium: ICRR, The University of Tokyo, 277-8582 Chiba, Japan, Department of Physics, Kyoto University, 606-8502 Kyoto, Japan, Tokai University, 259-1292 Kanagawa, Japan, The University of Tokushima, 770-8502 Tokushima, Japan; University of Łódź, Department of Astrophysics, PL-90236 Łódź, Poland
  30. Physics Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
  31. Instituto de Física, Universidad Nacional Autónoma de México, Ciudad de México, 04510, Mexico
  32. Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, 29050, Mexico
  33. Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mexico 58040
  34. Department of Physics, Pennsylvania State University, University Park, PA 16802 USA
  35. Department of Physics & Astronomy, University of Rochester, Rochester, NY 14627 USA
  36. Instituto de Astronomía, Universidad Nacional Autónoma de México, Ciudad de México 04510 Mexico
  37. Department of Physics, University of Wisconsin-Madison, Madison, WI 53706 USA
  38. Instituto Nacional de Astrofísica, Óptica y Electrónica, Puebla, Mexico 72840, Mexico
  39. Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 IFJ-PAN, Krakow, Poland
  40. Facultad de Ciencias Físico Matemáticas, Benemérita Universidad Autónoma de Puebla, Puebla, 72570, Mexico
  41. Departamento de Física, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara 44430 Mexico
  42. School of Physics, Astronomy, and Computational Sciences, George Mason University, Fairfax, VA 22030 USA
  43. Department of Physics, University of Maryland, College Park, MD 20742 USA
  44. Instituto de Geofísica, Universidad Nacional Autónoma de México, Ciudad de México 04510 Mexico
  45. Department of Physics, Michigan Technological University, Houghton, MI 49931 USA
  46. NASA Marshall Space Flight Center, Astrophysics Office, Huntsville, AL 35812, USA
  47. Max-Planck Institute for Nuclear Physics, D-69117 Heidelberg, Germany
  48. Dept of Physics and Astronomy, University of New Mexico, Albuquerque, NM, 87131, USA
  49. School of Physics and Center for Relativistic Astrophysics – Georgia Institute of Technology, Atlanta, GA 30332, USA
  50. Department of Physics and Astronomy, Michigan State University, East Lansing, MI, 48824, USA
  51. Universidad Politecnica de Pachuca, Pachuca, Hgo, Mexico
  52. Centro de Investigación en Computación, Instituto Politécnico Nacional, Mexico City, Mexico
  53. Physics Department, Centro de Investigación y de Estudios Avanzados del IPN, Mexico City, DF, Mexico
  54. Universidad Autónoma del Estado de Hidalgo, Pachuca 42083 Mexico
  55. Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Ciudad de México 04510 Mexico
  56. Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112 USA
  57. Santa Cruz Institute for Particle Physics, University of California, Santa Cruz, Santa Cruz, CA 95064 USA
  58. Department of Physics, Stanford University – Stanford, CA 94305, USA
  59. Department of Physics and Astronomy, University of California – Irvine, CA 92697, USA
  60. Department of Physics and Astronomy, Clemson University, Kinard Lab of Physics, Clemson, SC 29634, USA
  61. Università di Pisa and Istituto Nazionale di Fisica Nucleare, Sezione di Pisa I-56127 Pisa, Italy
  62. Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, I-34127 Trieste, Italy; Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
  63. Department of Physics and Astronomy, California State University, Los Angeles, CA 90032, USA
  64. Dipartimento di Fisica ‘M. Merlin’ dell’Università e del Politecnico di Bari, I-70126 Bari, Italy; Istituto Nazionale di Fisica Nucleare, Sezione di Bari, I-70126 Bari, Italy
  65. W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
  66. Istituto Nazionale di Fisica Nucleare, Sezione di Torino, I-10125 Torino, Italy; Dipartimento di Fisica, Università degli Studi di Torino, I-10125 Torino, Italy
  67. W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA; Department of Physics and Astronomy, University of Padova, Vicolo Osservatorio 3, I-35122 Padova, Italy
  68. NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
  69. Laboratoire Univers et Particules de Montpellier, Université Montpellier, CNRS/IN2P3, F-34095 Montpellier, France
  70. Laboratoire Leprince-Ringuet, École polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
  71. Center for Research and Exploration in Space Science and Technology (CRESST) and NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
  72. INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica Milano, via E. Bassini 15, I-20133 Milano, Italy
  73. NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA; Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
  74. Italian Space Agency, Via del Politecnico snc, I-00133 Roma, Italy
  75. Italian Space Agency, Via del Politecnico snc, I-00133 Roma, Italy; Space Science Data Center – Agenzia Spaziale Italiana, Via del Politecnico, snc, I-00133, Roma, Italy
  76. Dipartimento di Fisica e Astronomia ‘G. Galilei’, Università di Padova, I-35131 Padova, Italy
  77. INAF Istituto di Radioastronomia, I-40129 Bologna, Italy; Dipartimento di Astronomia, Università di Bologna, I-40127 Bologna, Italy
  78. Istituto Nazionale di Fisica Nucleare, Sezione di Bari, I-70126 Bari, Italy; Università Telematica Pegaso, Piazza Trieste e Trento, 48, I-80132 Napoli, Italy
  79. Grupo de Altas Energías, Universidad Complutense de Madrid, E-28040 Madrid, Spain
  80. Department of Physical Sciences, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
  81. Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, Germany
  82. Istituto Nazionale di Fisica Nucleare, Sezione di Bari, I-70126 Bari, Italy
  83. Space Science Data Center – Agenzia Spaziale Italiana, Via del Politecnico, snc, I-00133, Roma, Italy; Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, I-06123 Perugia, Italy
  84. INAF Istituto di Radioastronomia, I-40129 Bologna, Italy
  85. NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA; Department of Astronomy, University of Maryland, College Park, MD 20742, USA
  86. Laboratoire AIM, CEA-IRFU/CNRS/Université Paris Diderot, Service d’Astrophysique, CEA Saclay, F-91191 Gif sur Yvette, France
  87. The George Washington University, Department of Physics, 725 21st St, NW, Washington, DC 20052, USA; NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
  88. University of North Florida, Department of Physics, 1 UNF Drive, Jacksonville, FL 32224, USA
  89. Science Institute, University of Iceland, IS-107 Reykjavik, Iceland; Nordita, Royal Institute of Technology and Stockholm University, Roslagstullsbacken 23, SE-106 91 Stockholm, Sweden
  90. Istituto Nazionale di Fisica Nucleare, Sezione di Pisa, I-56127 Pisa, Italy
  91. Department of Physics, KTH Royal Institute of Technology, AlbaNova, SE-106 91 Stockholm, Sweden; The Oskar Klein Centre for Cosmoparticle Physics, AlbaNova, SE-106 91 Stockholm, Sweden
  92. Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, I-06123 Perugia, Italy
  93. Department of Astronomy, University of Maryland, College Park, MD 20742, USA
  94. Istituto Nazionale di Fisica Nucleare, Sezione di Torino, I-10125 Torino, Italy
  95. Dipartimento di Fisica, Università degli Studi di Perugia, I-06123 Perugia, Italy
  96. Hiroshima Astrophysical Science Center, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
  97. Istituto Nazionale di Fisica Nucleare, Sezione di Roma ‘Tor Vergata’, I-00133 Roma, Italy
  98. Department of Physics and Astronomy, University of Denver, Denver, CO 80208, USA
  99. Università di Pisa and Istituto Nazionale di Fisica Nucleare, Sezione di Pisa I-56127 Pisa, Italy; Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, I-34127 Trieste, Italy
  100. Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, I-34127 Trieste, Italy; Osservatorio Astronomico di Trieste, Istituto Nazionale di Astrofisica, I-34143 Trieste, Italy
  101. Department of Physics, University of Johannesburg, PO Box 524, Auckland Park 2006, South Africa
  102. W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA; Institut für Astro- und Teilchenphysik and Institut für Theoretische Physik, Leopold-Franzens-Universität Innsbruck, A-6020 Innsbruck, Austria
  103. NYCB Real-Time Computing Inc., Lattingtown, NY 11560, USA
  104. Department of Physics and Astronomy, California State University, Los Angeles, CA 90032, USA; Dipartimento di Fisica ‘M. Merlin’ dell’Università e del Politecnico di Bari, I-70126 Bari, Italy
  105. W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA; Solar-Terrestrial Environment Laboratory, Nagoya University, Nagoya 464-8601, Japan
  106. Institute of Space Sciences (CSICIEEC), Campus UAB, Carrer de Magrans s/n, E-08193 Barcelona, Spain; Institució Catalana de Recerca i Estudis Avançats (ICREA), E-08010 Barcelona, Spain
  107. INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica Bologna, via P. Gobetti 101, I-40129 Bologna, Italy
  108. Department of Physics and Astronomy, University of Padova, Vicolo Osservatorio 3, I-35122 Padova, Italy; Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, Germany
  109. Praxis Inc., Alexandria, VA 22303, USA, resident at Naval Research Laboratory, Washington, DC 20375, USA
+ Show Author Affiliations

The HAWC Collaboration released the 2HWC catalogue of TeV sources, in which 19 show no association with any known high-energy (HE; E ≳ 10 GeV) or very-high-energy (VHE; E ≳ 300 GeV) sources. This catalogue motivated follow-up studies by both the Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) and Fermi-LAT (Large Area Telescope) observatories with the aim of investigating gamma-ray emission over a broad energy band. In this paper, we report the results from the first joint work between High Altitude Water Cherenkov (HAWC), MAGIC, and Fermi-LAT on three unassociated HAWC sources: 2HWC J2006+341, 2HWC J1907+084*, and 2HWC J1852+013*. Although no significant detection was found in the HE and VHE regimes, this investigation shows that a minimum 1° extension (at 95 percent confidence level) and harder spectrum in the GeV than the one extrapolated from HAWC results are required in the case of 2HWC J1852+013*, whilst a simply minimum extension of 0.16° (at 95 percent confidence level) can already explain the scenario proposed by HAWC for the remaining sources. Furthermore, the hypothesis that these sources are pulsar wind nebulae is also investigated in detail.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Contributing Organization:
MAGIC Collaboration; HAWC Collaboration
Grant/Contract Number:
AC02-76SF00515; FPA2015-69818-P; FPA2012-36668; FPA2015-68378-P; FPA2015-69210-C6-2-R; FPA2015-69210-C6-4-R; FPA2015-69210-C6-6-R; AYA2015-71042-P; AYA2016-76012-C3-1-P; ESP2015-71662-C2-2-P; CSD2009-00064; 09/176; SFB823/C4; SFB876/C3
OSTI ID:
1527112
Journal Information:
Monthly Notices of the Royal Astronomical Society, Vol. 485, Issue 1; ISSN 0035-8711
Publisher:
Royal Astronomical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 5 works
Citation information provided by
Web of Science

References (27)

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Performance of the MAGIC telescopes under moonlight journal September 2017
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journal October 2005
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Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
pulsars: general
gamma rays: general
astroparticle physics