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Analysis of the Emission and Morphology of the Pulsar Wind Nebula Candidate HAWC J2031+415

  • the HAWC Collaboration
  • Universidad Nacional Autónoma de México
  • Universidad Autonoma de Chiapas
  • Universidad Michoacana de San Nicolas de Hidalgo
  • Pennsylvania State University
  • Michigan State University
  • Instituto Nacional de Astrofisica Optica y Electronica
  • Polish Academy of Sciences
  • Benemerita Universidad Autonoma de Puebla
  • University of Wisconsin-Madison
  • Universidad de Guadalajara
  • Max Planck Institute for Nuclear Physics
  • Stanford University
  • Los Alamos National Laboratory
  • University of Maryland, College Park
  • Instituto Tecnologico de Estudios Superiores de Monterrey
  • Michigan Technological University
  • Shanghai Jiao Tong University
  • Universidad Politecnica de Pachuca
  • University of Seoul
  • Instituto Politécnico Nacional
  • University of New Mexico
  • Universidad Autonoma del Estado de Hidalgo

Research output: Contribution to journalArticlepeer-review

Abstract

The first TeV γ-ray source with no lower energy counterparts, TeV J2032+4130, was discovered by HEGRA. It appears in the third HAWC catalog as 3HWC J2031+415 and it is a bright TeV γ-ray source whose emission has previously been resolved as two sources: HAWC J2031+415 and HAWC J2030+409. While HAWC J2030+409 has since been associated with the Fermi Large Area Telescope Cygnus Cocoon, no such association for HAWC J2031+415 has yet been found. In this work, we investigate the spectrum and energy-dependent morphology of HAWC J2031+415. We associate HAWC J2031+415 with a γ-ray binary system containing the pulsar PSR J2032+4127 and its companion MT91 213. We study HAWC data to observe their periastron in 2017. Additionally, we perform a combined multiwavelength analysis using radio, X-ray, and γ-ray emission. We conclude that HAWC J2031+415 and, by extension, TeV J2032+4130 are most probably a pulsar wind nebula powered by PSR J2032+4127.

Original languageEnglish
Article numberad782a
JournalAstrophysical Journal
Volume975
Issue number2
DOIs
StatePublished - 1 Nov 2024

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