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arxiv: 2112.00674 · v3 · pith:JC4S6WYQnew · submitted 2021-12-01 · 🌌 astro-ph.HE

HAWC Study of the Ultra-High-Energy Spectrum of MGRO J1908+06

HAWC Collaboration: A. Albert , R. Alfaro , C. Alvarez , J.D. \'Alvarez , J.R. Angeles Camacho , J.C. Arteaga-Vel\'azquez , D. Avila Rojas , H.A. Ayala Solares
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R. Babu E. Belmont-Moreno C. Brisbois K.S. Caballero-Mora T. Capistr\'an A. Carrami\~nana S. Casanova U. Cotti J. Cotzomi S. Couti\~no de Le\'on E. De la Fuente C. de Le\'on R. Diaz Hernandez B.L. Dingus M.A. DuVernois M. Durocher J.C. D\'iaz-V\'elez K. Engel C. Espinoza K.L. Fan K. Fang M. Fern\'andez Alonso N. Fraija D. Garcia J.A. Garc\'ia-Gonz\'alez F. Garfias G. Giacinti H. Goksu M.M. Gonz\'alez J.A. Goodman J.P. Harding J. Hinton B. Hona D. Huang F. Hueyotl-Zahuantitla P. H\"untemeyer A. Iriarte A. Jardin-Blicq V. Joshi S. Kaufmann D. Kieda W.H. Lee J. Lee H. Le\'on Vargas J.T. Linnemann A.L. Longinotti G. Luis-Raya K. Malone V. Marandon O. Martinez J. Mart\'inez-Castro J.A. Matthews P. Miranda-Romagnoli J.A. Morales-Soto E. Moreno M. Mostaf\'a A. Nayerhoda L. Nellen M. Newbold M.U. Nisa R. Noriega-Papaqui L. Olivera-Nieto N. Omodei A. Peisker Y. P\'erez Araujo E.G. P\'erez-P\'erez C.D. Rho D. Rosa-Gonz\'alez H. Salazar F. Salesa Greus A. Sandoval M. Schneider H. Schoorlemmer J. Serna-Franco A.J. Smith Y. Son R.W. Springer O. Tibolla K. Tollefson I. Torres R. Torres-Escobedo R. Turner F. Ure\~na-Mena L. Villase\~nor X. Wang I.J. Watson E. Willox A. Zepeda H. Zhou M. Breuhaus H. Li H. Zhang
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classification 🌌 astro-ph.HE
keywords gamma-rayemissionhawcj1908mgromodelingsourceultra-high-energy
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We report TeV gamma-ray observations of the ultra-high-energy source MGRO J1908+06 using data from the High Altitude Water Cherenkov (HAWC) Observatory. This source is one of the highest-energy known gamma-ray sources, with emission extending past 200 TeV. Modeling suggests that the bulk of the TeV gamma-ray emission is leptonic in nature, driven by the energetic radio-faint pulsar PSR J1907+0602. Depending on what assumptions are included in the model, a hadronic component may also be allowed. Using the results of the modeling, we discuss implications for detection prospects by multi-messenger campaigns.

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