Detection of extended TeV emission around the Geminga pulsar with H.E.S.S

Mitchell , A.; Caroff, S.; Hinton, J.; Mohrmann, L.; 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.; Bony, M.; Breuhaus, M.; Brose, R.; Brun, F.; Bulik, T.; Bylund, T.; Cangemi, F.; 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.; 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.; Moderski, R.; Montanari, A.; Moore, C.; Morris, P.; Moulin, E.; Muller, J.; Murach, T.; Nakashima, K.; Naurois, M.; Nayerhoda, A.; Davids, H.; Niemiec, J.; Noel, A.; O'Brien, P.; Oberholzer, L.L.; Ohm, S.; Olivera Nieto, L.; Ona-Wilhelmi, E.; 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:10.22323/1.395.0780

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Detection of extended TeV emission around the Geminga pulsar with H.E.S.S

MPS-Authors

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

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

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

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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;

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

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

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

/persons/resource/persons30878

Panter, M.
Division Prof. Dr. James A. Hinton, 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;

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

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

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

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

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Citation

Mitchell, A., Caroff, S., Hinton, J., Mohrmann, L., Abdalla, H., Aharonian, F., et al. (2021). Detection of extended TeV emission around the Geminga pulsar with H.E.S.S. Proceedings of Science, 395: 780. doi:10.22323/1.395.0780.

Cite as: https://hdl.handle.net/21.11116/0000-0009-E934-6

Abstract

Highly extended gamma-ray emission around the Geminga pulsar was discovered
by Milagro and verified by HAWC. Despite many observations with Imaging
Atmospheric Cherenkov Telescopes (IACTs), detection of gamma-ray emission on
angular scales exceeding the IACT field-of-view has proven challenging. Recent
developments in analysis techniques have enabled the detection of significant
emission around Geminga in archival data with H.E.S.S.. In 2019, further data
on the Geminga region were obtained with an adapted observation strategy.
Following the announcement of the detection of significant TeV emission around
Geminga in archival data, in this contribution we present the detection in an
independent dataset. New analysis results will be presented, and emphasis given
to the technical challenges involved in observations of highly extended
gamma-ray emission with IACTs.