HAWC Study of the Ultra-high-energy Spectrum of MGRO J1908+06

Albert, A.; Alfaro, R.; Alvarez, C.; Álvarez, J. D.; Camacho, J. Angeles; Arteaga-Velázquez, J. C.; Rojas, D. Avila; Solares, H. Ayala; Babu, R.; Belmont-Moreno, E.; Brisbois, C.; Caballero-Mora, K. S.; Capistrán, T.; Carramiñana, A.; Casanova, S.; Cotti, U.; Cotzomi, J.; de León, S. Coutiño; Fuente, E. la; León, C. de; Hernandez, R. Diaz; Dingus, B. L.; DuVernois, M. A.; Durocher, M.; Díaz-Vélez, J. C.; Engel, K.; Espinoza, C.; Fan, K. L.; Fang, K.; Alonso, M. Fernández; Fraija, N.; Garcia, D.; García-González, J. A.; Garfias, F.; Giacinti, G.; Goksu, H.; González, M. M.; Goodman, J. A.; Harding, J. P.; Hinton, J.; Hona, B.; Huang, D.; Hueyotl-Zahuantitla, F.; Hüntemeyer, P.; Iriarte, A.; Jardin-Blicq, A.; Joshi, V.; Kaufmann, S.; Kieda, D.; Lee, W. H.; Lee, J.; Vargas, H. León; Linnemann, J. T.; Longinotti, A. L.; Luis-Raya, G.; Malone, K.; Marandon, V.; Martinez, O.; Martínez-Castro, J.; Matthews, J. A.; Miranda-Romagnoli, P.; Morales-Soto, J. A.; Moreno, E.; Mostafá, M.; Nayerhoda, A.; Nellen, L.; Newbold, M.; Nisa, M. U.; Noriega-Papaqui, R.; Olivera-Nieto, L.; Omodei, N.; Peisker, A.; Araujo, Y. Pérez; Pérez-Pérez, E. G.; Rho, C. D.; Rosa-González, D.; Salazar, H.; Greus, F. Salesa; Sandoval, A.; Schneider, M.; Schoorlemmer, H.; Serna-Franco, J.; Smith, A. J.; Son, Y.; Springer, R. W.; Tibolla, O.; Tollefson, K.; Torres, I.; Torres-Escobedo, R.; Turner, R.; Ureña-Mena, F.; Villaseñor, L.; Wang, X.; Watson, I. J.; Willox, E.; Zepeda, A.; Zhou, H.; Breuhaus, M.; Li, H.; Zhang, H.

doi:10.3847/1538-4357/ac56e5

Title: HAWC Study of the Ultra-high-energy Spectrum of MGRO J1908+06

Journal Article · Thu Mar 31 00:00:00 EDT 2022 · The Astrophysical Journal

DOI:https://doi.org/10.3847/1538-4357/ac56e5· OSTI ID:1869615

; Alfaro, R.; Alvarez, C.; Álvarez, J. D.; Camacho, J. Angeles; Arteaga-Velázquez, J. C.; Rojas, D. Avila;

; Babu, R.;

;

; Caballero-Mora, K. S.;

;

; Casanova, S.; Cotti, U.; Cotzomi, J.; de León, S. Coutiño; Fuente, E. la; León, C. de more »

We report TeV gamma-ray observations of the ultra-high-energy source MGRO J1908+06 using data from the High Altitude Water Cherenkov 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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Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE Laboratory Directed Research and Development (LDRD) Program

Contributing Organization:: HAWC Collaboration

Grant/Contract Number:: 89233218CNA000001

OSTI ID:: 1869615

Report Number(s):: LA-UR-21-29999; TRN: US2306421

Journal Information:: The Astrophysical Journal, Vol. 928, Issue 2; ISSN 0004-637X

Publisher:: IOP PublishingCopyright Statement

Country of Publication:: United States

Language:: English

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