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Observations of TeV Gamma-Ray Sources in the DA 495 Region

  • HAWC Collaboration
    ,
  • Ramiro Torres-Escobedo(Author)
    ,
  • R. Alfaro(Author)
    ,
  • C. Alvarez(Author)
    ,
  • A. Andrés(Author)
    ,
  • E. Anita-Rangel(Author)
  • Shanghai Jiao Tong University
    ,
  • Universidad Nacional Autónoma de México
    ,
  • Universidad Autonoma de Chiapas
    ,
  • University of Costa Rica
    ,
  • Universidad Michoacana de San Nicolas de Hidalgo
    ,
  • Michigan State University
Research Output:
Contribution to journal
Conference article
Peer-review

Open access

Publication metrics

Metrics

SciVal
Author count
97
SciVal
Paper percentile
45

Abstract

Investigations of TeV gamma-ray emission enable us to explore the properties of extreme cosmic environments and the acceleration mechanisms of particles at such high energies. These studies are particularly challenging when multiple sources are closely located on the sky. The DA 495 region, which includes the pulsar wind nebula DA 495, is one such example where different Very-High-Energy (VHE) gamma-ray experiments have reported results that are not fully consistent. We present results from a dedicated analysis using 2,860 days of the High-Altitude Water Cherenkov (HAWC) experiment data, identifying three extended sources. These results lay the groundwork for future studies of VHE gamma-ray emission and particle acceleration in this complex region.

Publication Information

Output type

Research Output:
Contribution to journal
Conference article
Peer-review

Original language

English

Article number

892

Journal (Volume, Issue Number)

Proceedings of Science (Volume 501)

Publication milestones

  • Published - 30/12/2025

Publication status

Published - 30/12/2025

Publication IDs

  • Scopus: 105029045869

Related Event

Title

39th International Cosmic Ray Conference, ICRC 2025

Event type

Conference

Date

15/07/2025 - 24/07/2025

Location

GenevaSwitzerland