Revisiting the PeVatron candidate MGRO J1908+06 with an updated H.E.S.S. 
analysis

Abdalla, H.; Aharonian, F.; Ait Benkhali, F.; Anguener, O.; Arcaro, C.; Armand, C.; Armstrong, T.; Ashkar, H.; Backes, M.; Baghmanyan, V.; Martins, V. Barbosa; Barnacka, A.; Barnard, M.; Batzofin, R.; Becherini, Y.; Berge, D.; Bernloehr, K.; Bi, B.; Böttcher, M.; Boisson, C.; Bolmont, J.; (de), M. Bony; Breuhaus, M.; Brose, R.; Brun, F.; Bulik, T.; Bylund, T.; Cangemi, F.; Caroff, S.; Casanova, S.; Catalano, J.; Chambery, P.; Chand, T.B.; Chen, A.; Cotter, G.; Curlo, M.; Dalgleish, H.; Mbarubucyeye, J. Damascene; Davids, I.D.; Davies, J.; Devin, J.; Djannati-Ataï, A.; Dmytriiev, A.; Donath, A.; Doroshenko, V.; Dreyer, L.; Plessis, L. Du; Duffy, C.; Egberts, K.; Einecke, S.; Ernenwein, J.P.; Fegan, S.; Feijen, K.; Fiasson, A.; de Clairfontaine, G. Fichet; Fontaine, G.; Frans, L.; Fuessling, M.; Funk, S.; Gabici, S.; Gallant, Y.; Giavitto, G.; Giunti, L.; Glawion, D.; Glicenstein, J.F.; Grondin, M.H.; Hattingh, S.; Haupt, M.; Hermann, G.; Hinton, J.; Hofmann, W.; Hoischen, C.; Holch, T.; Holler, M.; Horns, D.; Huang, Z.; Huber, D.; Hörbe, M.; Jamrozy, M.; Jankowsky, F.; Joshi, V.; Jung, I.; Kasai, E.; Katarzynski, K.; Katz, U.; Khangulyan, D.; Khelifi, B.; Klepser, S.; Kluzniak, W.; Komin, N.; Konno, R.; Kosack, K.; Kostunin*, D.; Kreter, M.; Mezek, G. Kukec; Kundu, A.; Lamanna, G.; Le Stum, S.; Lemiere, A.; Lemoine-Goumard, M.; Lenain, J.P.; Leuschner, F.; Levy, C.; Lohse, T.; Luashvili, A.; Lypova, I.; Mackey, J.; Majumdar, J.; Malyshev, D.; Malyshev, D.; Marandon, V.; Marchegiani, P.; Marcowith, A.; Mares, A.; Marti'i-Devesa, G.; Marx, R.; Maurin, G.; Meintjes, P.; Meyer, M.; Mitchell, A.; Moderski, R.; Mohrmann, L.; Montanari, A.; Moore, C.; Morris, P.; Moulin, E.; Muller, J.; Murach, T.; Nakashima, K.; (de), M. Naurois; Nayerhoda, A.; Davids, H.; Niemiec, J.; Noel, A.; O'Brien, P.; Oberholzer, L.L.; Ohm, S.; Olivera-Nieto, L.; (de), E. Ona-Wilhelmi; Ostrowski, M.; Panny, S.; Panter, M.; Parsons, D.; Peron, G.; Pita, S.; Poireau, V.; Prokhorov, D.; Prokoph, H.; Puehlhofer, G.; Punch, M.; Quirrenbach, A.; Reichherzer, P.; Reimer, A.; Reimer, O.; Remy, Q.; Renaud, M.; Reville, B.; Rieger, F.; Romoli, C.; Rowell, G.; Rudak, B.; Ricarte, H. Rueda; Velasco, E. Ruiz; Sahakian, V.; Sailer, S.; Salzmann, H.; Sanchez, D.; Santangelo, A.; Sasaki, M.; Schaefer, J.; Schutte, H.; Schwanke, U.; Schüssler, F.; Senniappan, M.; Seyffert, A.; Shapopi, J.N.S.; Shiningayamwe, K.; Simoni, R.; Sinha, A.; Sol, H.; Spackman, H.; Specovius, A.; Spencer, S.T.; Spir-Jacob, M.; Stawarz, L.; Steenkamp, R.; Stegmann, C.; Steinmassl, S.; Steppa, C.; Sun, L.; Takahashi, T.; Tanaka, T.; Tavernier, T.; Taylor, A.; Terrier, R.; Thiersen, H.; Thorpe-Morgan, C.; Tluczykont, M.; Tomankova, L.; Tsirou, M.; Tsuji, N.; Tuffs, R.; Uchiyama, Y.; van der Walt, J.; van Eldik, C.; van Rensburg, C.; van Soelen, B.; Vasileiadis, G.; Veh, J.; Venter, C.; Vincent, P.; Vink, J.; Voelk, H. J.; Wagner, S.; Watson, J.J.; Werner, F.; White, R.; Wierzcholska, A.; Wong, Y.W.; Yassin, H.; Yusafzai, A.; Zacharias, M.; Zanin, R.; Zargaryan, D.; Zdziarski, A.; Zech, A.; Zhu, S.; Zmija, A.; Zouari, S.; Żywucka, N.

doi:10.22323/1.395.0779

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Conference Paper

Revisiting the PeVatron candidate MGRO J1908+06 with an updated H.E.S.S. analysis

MPS-Authors

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Aharonian, F.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons73513

Ait Benkhali, F.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30300

Bernloehr, K.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30369

Casanova, S.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30584

Hermann, G.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30597

Hinton, J.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30605

Hofmann, W.
Prof. Werner Hofmann, Emeriti, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30940

Reville, B.
Brian Reville, Astrophysical Plasma Theory (APT) - Max Planck Research Group, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons31141

Voelk, H. J.
Prof. Heinrich J. Völk, Emeriti, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons135685

Werner, F.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons146341

White, R.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Citation

Abdalla, H., Aharonian, F., Ait Benkhali, F., Anguener, O., Arcaro, C., Armand, C., et al. (2021). Revisiting the PeVatron candidate MGRO J1908+06 with an updated H.E.S.S. analysis. Proceedings of Science, 395: 779. doi:10.22323/1.395.0779.

Cite as: https://hdl.handle.net/21.11116/0000-0009-EB88-5

Abstract

Detecting and studying galactic gamma-ray sources emitting very-high energy
photons sheds light on the acceleration and propagation of cosmic rays
presumably created in these sources. Currently, there are few sources emitting
photons with energies exceeding 100 TeV. In this work we revisit the
unidentified source MGRO J1908+06, initially detected by Milagro, using an
updated H.E.S.S. dataset and analysis pipeline. The vicinity of the source
contains a supernova remnant and pulsars as well as molecular clouds. This
makes the identification of the primary source(s) of galactic cosmic rays as
well as the nature of the gamma-ray emission challenging, especially in light
of the recent HAWC and LHAASO detection of the high energy tail of its
spectrum. Exploiting the better angular resolution as compared to particle
detectors, we investigate the morphology of the source as well as its spectral
properties.