PoS - Proceedings of Science
Volume 444 - 38th International Cosmic Ray Conference (ICRC2023) - Gamma-ray Astronomy (GA)
Study of the HAWC counterpart of LHAASO J1849-0003 and its surroundings at TeV energies
Presented by Y. Son*  on behalf of  Hawc, A. Albert, R.J. Alfaro, C. Alvarez, A. Andres, J.C. Arteaga Velazquez, D.O. Avila Rojas, H.A. Ayala Solares, R. Babu, E. Belmont-Moreno, T. Capistrán Rojas, S. Yun, A. Carramiñana, F. Carreon-Gonzalez, U. Cotti, J. Cotzomi, S. Coutiño de León, E. de la Fuente, D. Depaoli, C.L. de León, R. Diaz Hernandez, J.C. Díaz Vélez, B. Dingus, M. Durocher, M. DuVernois, K. Engel, M.C. Espinoza Hernández, J. Fan, K. Fang, N.I. Fraija, J.A. Garcia-Gonzalez, F. Garfias, H. Goksu, M.M. González, J.A. Goodman, S.J. Groetsch, J.P. Harding, S. Hernández Cadena, I. Herzog, J. Hinton, B. Hona, D. Huang, F. Hueyotl-Zahuantitla, P. Hüntemeyer, A. Iriarte, V. Joshi, S. Kaufmann, D. Kieda, A. Lara, J. Lee, W.H. Lee, H. Leon Vargas, J. Linnemann, A.L. Longinotti, G. Luis-Raya, K. Malone, J. Martínez-Castro, J. Matthews, P. Miranda-Romagnoli, J.A. Montes, J.A. Morales Soto, M. Mostafa, L. Nellen, M.U. Nisa, R. Noriega-Papaqui, L. Olivera-Nieto, N. Omodei, Y. Pérez Araujo, E.G. Pérez Pérez, A. Pratts, C.D. Rho, D. Rosa-Gonzalez, E. Ruiz-Velasco, H.I. Salazar, D. Salazar-Gallegos, A. Sandoval, M. Schneider, G. Schwefer, J. Serna-Franco, A.J. Smith, W.R. Springer, O. Tibolla, K. Tollefson, I. Torres, R. Torres Escobedo, R.M. Turner, F. Ureña-Mena, E. Varela, L. Villaseñor, X. Wang, I.J. Watson, F. Werner, K. Whitaker, E.J. Willox, H. Hongyi Wu, H. Zhou and K.S. Caballero Moraet al. (click to show)
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Pre-published on: August 10, 2023
Published on: —
Abstract
LHAASO J1849-0003 is one of the twelve gamma-ray sources that can emit photons above 100 TeV reported by LHAASO in 2021. It is spatially coincident with HESS J1849-000, which may be powered by PSR J1849-0001. The High Altitude Water Cherenkov (HAWC) observatory has also observed a possible counterpart source named eHWC J1850+001 above 56 TeV. In this work, we use the most up-to-date HAWC dataset with 2398 days of data to perform dedicated multi-source modeling of the region around eHWC J1850+001. We present the spectrum and morphology of eHWC J1850+001 and other nearby sources identified during a systematic source search. We anticipate the HAWC observational results to determine a potential connection between HESS J1849-000 and LHAASO J1849-0003, providing a more complete TeV spectral study of this energetic source.
DOI: https://doi.org/10.22323/1.444.0581
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