Detailed Analysis of the TeV γ-Ray Sources 3HWC J1928+178, 3HWC J1930+188, and the New Source HAWC J1932+192

Albert A, Alfaro R, Alvarez C, Arteaga-Velazquez JC, Rojas DA, Solares HAA, Babu R, Belmont-Moreno E, Brisbois C, Caballero-Mora KS, Capistran T, Carraminana A, Casanova S, Chaparro-Amaro O, Cotti U, Cotzomi J, De Leon SC, De La Fuente E, De Leon C, Hernandez RD, Diaz-Velez JC, Dingus BL, Duvernois MA, Durocher M, Engel K, Espinoza C, Fan KL, Alonso MF, Fraija N, Garcia-Gonzalez JA, Garfias F, Goksu H, Gonzalez MM, Goodman JA, Harding JP, Hernandez S, Hinton J, Hona B, Huang D, Hueyotl-Zahuantitla F, Huentemeyer P, Iriarte A, Jardin-Blicq A, Joshi V, Kaufmann S, Kieda D, Lee WH, Vargas HL, Linnemann JT, Longinotti AL, Luis-Raya G, Lopez-Coto R, Malone K, Marandon V, Martinez O, Martinez-Castro J, Matthews JA, Miranda-Romagnoli P, Morales-Soto JA, Moreno E, Mostafa M, Nayerhoda A, Nellen L, Newbold M, Nisa MU, Noriega-Papaqui R, Olivera-Nieto L, Omodei N, Peisker A, Araujo YP, Perez-Perez EG, Rho CD, Rosa-Gonzalez D, Ruiz-Velasco E, Salazar H, Salazar-Gallegos D, Greus FS, Sandoval A, Schneider M, Serna-Franco J, Smith AJ, Son Y, Springer RW, Tibolla O, Tollefson K, Torres I, Torres-Escobedo R, Turner R, Urena-Mena F, Villasenor L, Wang X, Werner F, Willox E, Zhou H (2023)

Publication Type: Journal article

Publication year: 2023

Journal

Book Volume: 942

Article Number: 96

Journal Issue: 2

DOI: 10.3847/1538-4357/ac8de3

Abstract

The latest High Altitude Water Cherenkov (HAWC) point-like source catalog up to 56 TeV reported the detection of two sources in the region of the Galactic plane at galactic longitude 52° < ℓ < 55°, 3HWC J1930+188 and 3HWC J1928+178. The first one is associated with a known TeV source, the supernova remnant SNR G054.1+00.3. It was discovered by one of the currently operating Imaging Atmospheric Cherenkov Telescope (IACT), the Very Energetic Radiation Imaging Telescope Array System (VERITAS), detected by the High Energy Stereoscopic System (H.E.S.S), and identified as a composite SNR. However, the source 3HWC J1928+178, discovered by HAWC and coincident with the pulsar PSR J1928+1746, was not detected by any IACT despite their long exposure on the region, until a recent new analysis of H.E.S.S. data was able to confirm it. Moreover, no X-ray counterpart has been detected from this pulsar. We present a multicomponent fit of this region using the latest HAWC data. This reveals an additional new source, HAWC J1932+192, which is potentially associated with the pulsar PSR J1932+1916, whose γ-ray emission could come from the acceleration of particles in its pulsar wind nebula. In the case of 3HWC J1928+178, several possible explanations are explored, in an attempt to unveil the origins of the very-high-energy γ-ray emission.

Authors with CRIS profile

Involved external institutions

Los Alamos National Laboratory United States (USA) (US) National Autonomous University of Mexico / Universidad Nacional Autónoma de México (UNAM) Mexico (MX) Universidad Autónoma de Chiapas (UNACH) Mexico (MX) Universidad Michoacana de San Nicolás de Hidalgo (UMSNH) Mexico (MX) Pennsylvania State University (Penn State) United States (USA) (US) Michigan Technological University United States (USA) (US) University of Maryland United States (USA) (US) National Institute for Astrophysics / Istituto Nazionale Astrofisica (INAF) Italy (IT) Polska Akademia Nauk (PAN) / Polish Academy of Sciences Poland (PL) Universidad de Guadalajara (UDEG) Mexico (MX) University of Utah United States (USA) (US) Universidad Politécnica de Pachuca (UPP) Mexico (MX) Michigan State University United States (USA) (US) Tecnológico de Monterrey (ITESM) Mexico (MX) Max-Planck-Institut für Kernphysik (MPIK) / Max Planck Institute for Nuclear Physics Germany (DE) National Institute for Nuclear Physics / Istituto Nazionale di Fisica Nucleare (INFN) Italy (IT) University of New Mexico (UNM) / Universidad de Nuevo México United States (USA) (US) Autonomous University of the State of Hidalgo / Universidad Autónoma del Estado de Hidalgo Mexico (MX) Stanford University United States (USA) (US) University of Seoul (UOS) / 서울시립대학교 Korea, Republic of (KR)

How to cite

APA:

Albert, A., Alfaro, R., Alvarez, C., Arteaga-Velazquez, J.C., Rojas, D.A., Solares, H.A.A.,... Zhou, H. (2023). Detailed Analysis of the TeV γ-Ray Sources 3HWC J1928+178, 3HWC J1930+188, and the New Source HAWC J1932+192. Astrophysical Journal, 942(2). https://dx.doi.org/10.3847/1538-4357/ac8de3

MLA:

Albert, A., et al. "Detailed Analysis of the TeV γ-Ray Sources 3HWC J1928+178, 3HWC J1930+188, and the New Source HAWC J1932+192." Astrophysical Journal 942.2 (2023).

BibTeX: Download