PoS - Proceedings of Science
Volume 395 - 37th International Cosmic Ray Conference (ICRC2021) - GAI - Gamma Ray Indirect
Study of the eHWC J1825-134 at the Highest Energy with HWAC
 Hawc Collaboration, A.U. Abeysekara, A. Albert, R.J. Alfaro, C. Alvarez, J.d.D. Álvarez Romero, J.R. Angeles Camacho, J.C. Arteaga Velazquez, A.B. Kollamparambil, D.O. Avila Rojas, H.A. Ayala Solares, R. Babu, V. Baghmanyan, A.S. Barber, J. Becerra Gonzalez, E. Belmont-Moreno, S. BenZvi, D. Berley, C. Brisbois, K.S. Caballero Mora, T. Capistrán, A. Carramiñana, S. Casanova, O. Chaparro-Amaro, U. Cotti, J. Cotzomi, S. Coutiño de León, E. de la Fuente, C.L. de León, L. Diaz, R. Diaz Hernandez, J.C. Díaz Vélez, B. Dingus, M. Durocher, M. DuVernois, R. Ellsworth, K. Engel, M.C. Espinoza Hernández, J. Fan, K. Fang, M. Fernandez Alonso, B. Fick, H. Fleischhack, J.L. Flores, N.I. Fraija, D. Garcia Aguilar, J.A. Garcia-Gonzalez, J.L. García-Luna, G. García-Torales, F. Garfias, G. Giacinti, H. Goksu, M.M. González, J.A. Goodman, J.P. Harding, S. Hernández Cadena, I. Herzog, J. Hinton, B. Hona, D. Huang*, F. Hueyotl-Zahuantitla, M. Hui, B. Humensky, P. Hüntemeyer, A. Iriarte, A. Jardin-Blicq, H. Jhee, V. Joshi, D. Kieda, G.J. Kunde, S. Kunwar, A. Lara, J. Lee, W.H. Lee, D. Lennarz, H. Leon Vargas, J. Linnemann, A.L. Longinotti, R. Lopez-Coto, G. Luis-Raya, J. Lundeen, K. Malone, V. Marandon, O.M. Martinez, I. Martinez Castellanos, H. Martínez Huerta, J. Martínez-Castro, J. Matthews, J. McEnery, P. Miranda-Romagnoli, J.A. Morales Soto, E. Moreno Barbosa, M. Mostafa, A. Nayerhoda, L. Nellen, M. Newbold, M.U. Nisa, R. Noriega-Papaqui, L. Olivera-Nieto, N. Omodei, A. Peisker, Y. Pérez Araujo, E.G. Pérez Pérez, C.D. Rho, C. Rivière, D. Rosa-Gonzalez, E. Ruiz-Velasco, J. Ryan, H.I. Salazar, F. Salesa Greus, A. Sandoval, M. Schneider, H. Schoorlemmer, J. Serna-Franco, G. Sinnis, A.J. Smith, W.R. Springer, P. Surajbali, I. Taboada, M. Tanner, K. Tollefson, I. Torres, R. Torres Escobedo, R.M. Turner, F.J. Urena Mena, L. Villaseñor, X. Wang, I.J. Watson, T. Weisgarber, F. Werner, E.J. Willox, J. Wood, G. Yodh, A. Zepeda and H. Zhouet al. (click to show)
Full text: pdf
Pre-published on: July 06, 2021
Published on: March 18, 2022
Abstract
eHWC J1825-134 is one of the brightest Galactic 𝛾-ray sources above 50 TeV observed by High Altitude Water Cherenkov 𝛾-Ray Observatory (HAWC). Detailed morphological studies have revealed a new point-like source inside this region with a spectral energy distribution extending beyond 200 TeV without any cutoff. These very-high-energy 𝛾 rays emission can originate from leptonic or hadronic processes. The new point-like source is located in a region containing PWNe and a high-density giant molecular cloud [MML2017]99. If the source emission is associated with the hadronic scenario the TeV 𝛾 rays may have been produced by cosmic rays colliding with ambient gas. If this were the case, eHWC J1825-134 is an indicator of the existence of a galactic PeVatron in the region that accelerates particles up to PeV energies.
DOI: https://doi.org/10.22323/1.395.0840
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