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Study of the morphology of the region surrounding eHWC J1850+001

  • HAWC Collaboration
  • University of Utah
  • Los Alamos National Laboratory
  • Universidad Nacional Autónoma de México
  • Universidad Autonoma de Chiapas
  • Universidad Michoacana de San Nicolas de Hidalgo
  • Pennsylvania State University
  • Michigan Technological University
  • Polish Academy of Sciences
  • NASA Goddard Space Flight Center
  • University of Rochester
  • University of Maryland, College Park
  • Instituto Nacional de Astrofisica Optica y Electronica
  • Instituto Politécnico Nacional
  • Benemerita Universidad Autonoma de Puebla
  • Universidad de Guadalajara
  • University of Wisconsin-Madison
  • Catholic University of America
  • National Aeronautics and Space Administration
  • Instituto Tecnologico de Estudios Superiores de Monterrey
  • University of Seoul

Research output: Contribution to journalConference articlepeer-review

Abstract

Although at extreme energies (>50 TeV) γ-ray sources generally have large angular separations from one another as observed on Earth, at lower energies in the galactic plane this is often not the case. HAWC observes extended emission from the source eHWC J1850+001 exceeding 50 TeV, and at lower energies this region appears to consist of multiple sources of γ-ray emission. These include the 3HWC J1849+001 source but also two nearby H.E.S.S. sources observed in their Galactic Plane Survey. Therefore, a full description of the region requires a morphological study including the full energy range of HAWC data. Understanding the spatial features of the emission in this region is important to associate the sources observations at other wavelengths, which may point to hadronic or leptonic origins for the γ-ray emission. There are multiple pulsar wind nebulae and super nova remnant systems in the vicinity that may be responsible for the emission in this region, including the pulsar PSR J1849+001 and its pulsar wind nebula, which is a likely candidate for the >50 TeV energy emission seen by HAWC.

Original languageEnglish
Article number827
JournalProceedings of Science
Volume395
StatePublished - 18 Mar 2022
Externally publishedYes
Event37th International Cosmic Ray Conference, ICRC 2021 - Virtual, Berlin, Germany
Duration: 12 Jul 202123 Jul 2021

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