%AAlbert, A.%AAlfaro, R.%AAlvarez, C.%AÁlvarez, J.%ACamacho, J.%AArteaga-Velázquez, J.%ARojas, D.%ASolares, H.%ABabu, R.%ABelmont-Moreno, E.%ABrisbois, C.%ACaballero-Mora, K.%ACapistrán, T.%ACarramiñana, A.%ACasanova, S.%ACotti, U.%ACotzomi, J.%Ade León, S.%AFuente, E.%ALeón, C.%AHernandez, R.%ADingus, B.%ADuVernois, M.%ADurocher, M.%ADíaz-Vélez, J.%AEngel, K.%AEspinoza, C.%AFan, K.%AFang, K.%AAlonso, M.%AFraija, N.%AGarcia, D.%AGarcía-González, J.%AGarfias, F.%AGiacinti, G.%AGoksu, H.%AGonzález, M.%AGoodman, J.%AHarding, J.%AHinton, J.%AHona, B.%AHuang, D.%AHueyotl-Zahuantitla, F.%AHüntemeyer, P.%AIriarte, A.%AJardin-Blicq, A.%AJoshi, V.%AKaufmann, S.%AKieda, D.%ALee, W.%ALee, J.%AVargas, H.%ALinnemann, J.%ALonginotti, A.%ALuis-Raya, G.%AMalone, K.%AMarandon, V.%AMartinez, O.%AMartínez-Castro, J.%AMatthews, J.%AMiranda-Romagnoli, P.%AMorales-Soto, J.%AMoreno, E.%AMostafá, M.%ANayerhoda, A.%ANellen, L.%ANewbold, M.%ANisa, M.%ANoriega-Papaqui, R.%AOlivera-Nieto, L.%AOmodei, N.%APeisker, A.%AAraujo, Y.%APérez-Pérez, E.%ARho, C.%ARosa-González, D.%ASalazar, H.%AGreus, F.%ASandoval, A.%ASchneider, M.%ASchoorlemmer, H.%ASerna-Franco, J.%ASmith, A.%ASon, Y.%ASpringer, R.%ATibolla, O.%ATollefson, K.%ATorres, I.%ATorres-Escobedo, R.%ATurner, R.%AUreña-Mena, F.%AVillaseñor, L.%AWang, X.%AWatson, I.%AWillox, E.%AZepeda, A.%AZhou, H.%ABreuhaus, M.%ALi, H.%AZhang, H.%BJournal Name: The Astrophysical Journal; Journal Volume: 928; Journal Issue: 2 %D2022%I %JJournal Name: The Astrophysical Journal; Journal Volume: 928; Journal Issue: 2 %K %MOSTI ID: 10324677 %PMedium: X %THAWC Study of the Ultra-high-energy Spectrum of MGRO J1908+06 %XAbstract 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. %0Journal Article