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@ARTICLE{Aharonian:619078,
      author       = {Aharonian, F. and Benkhali, F. Ait and Aschersleben, J. and
                      Ashkar, H. and Backes, M. and Baktash, A. and Barbosa
                      Martins, V. and Barnard, J. and Batzofin, R. and Becherini,
                      Y. and Berge, David and Bernlöhr, K. and Bi, B. and
                      Böttcher, M. and Boisson, C. and Bolmont, J. and de Bony de
                      Lavergne, M. and Borowska, J. and Bouyahiaoui, M. and
                      Breuhaus, M. and Brose, R. and Brun, F. and Bruno, B. and
                      Bulik, T. and Burger-Scheidlin, C. and Caroff, S. and
                      Casanova, S. and Cecil, R. and Celic, J. and Cerruti, M. and
                      Chambery, P. and Chand, T. and Chen, A. and Chibueze, J. and
                      Chibueze, O. and Cotter, G. and Mbarubucyeye, J. Damascene
                      and Djannati-Ataï, A. and Dmytriiev, A. and Doroshenko, V.
                      and Einecke, S. and Ernenwein, J.-P. and Feijen, K. and
                      Filipovic, M. and Fontaine, G. and Füßling, M. and Funk,
                      S. and Gabici, S. and Gallant, Y. A. and Ghafourizadeh, S.
                      and Giavitto, G. and Glawion, D. and Glicenstein, J. F. and
                      Goswami, P. and Grolleron, G. and Grondin, M.-H. and Hinton,
                      J. A. and Hofmann, W. and Holch, Tim Lukas and Holler, M.
                      and Jamrozy, M. and Jankowsky, F. and Joshi, V. and
                      Jung-Richardt, I. and Katarzynski, K. and Khatoon, R. and
                      Khélifi, B. and Klepser, S. and Kluzniak, W. and Komin, Nu.
                      and Kosack, K. and Kostunin, D. and Kundu, A. and Lang, R.
                      G. and Le Stum, S. and Leitl, F. and Lemière, A. and
                      Lemoine-Goumard, M. and Lenain, J.-P. and Leuschner, F. and
                      Mackey, J. and Malyshev, D. and Malyshev, D. and Marandon,
                      V. and Marinos, P. and Martí-Devesa, G. and Marx, R. and
                      Mehta, A. and Mitchell, A. and Moderski, R. and Mohrmann, L.
                      and Montanari, A. and Moulin, E. and Murach, T. and de
                      Naurois, M. and Niemiec, J. and Noel, A. Priyana and
                      O'Brien, P. and Ohm, S. and Olivera-Nieto, L. and de Ona
                      Wilhelmi, E. and Ostrowski, M. and Panny, S. and Panter, M.
                      and Parsons, R. D. and Prokhorov, D. A. and Pühlhofer, G.
                      and Punch, M. and Quirrenbach, A. and Regeard, M. and
                      Reichherzer, P. and Reimer, A. and Reimer, O. and Ren, H.
                      and Renaud, M. and Reville, B. and Rieger, F. and
                      Roellinghoff, G. and Rudak, B. and Sahakian, V. and
                      Salzmann, H. and Sasaki, M. and Schüssler, F. and Schutte,
                      H. M. and Shapopi, J. N. S. and Specovius, A. and Spencer,
                      S. and Steenkamp, R. and Steinmassl, S. and Steppa, C. and
                      Sushch, I. and Suzuki, H. and Takahashi, T. and Tanaka, T.
                      and Terrier, R. and Tluczykont, M. and Tsuji, N. and
                      Unbehaun, T. and van Eldik, C. and Vecchi, M. and Veh, J.
                      and Venter, C. and Vink, J. and Wach, T. and Wagner, S. J.
                      and Wierzcholska, A. and Zacharias, M. and Zargaryan, D. and
                      Zdziarski, A. A. and Zouari, S. and Zywucka, N.},
      collaboration = {H. E. S. S.{ Collaboration}},
      title        = {{U}nveiling extended gamma-ray emission around {HESS}
                      {J}1813-178},
      journal      = {Astronomy and astrophysics},
      volume       = {686},
      issn         = {0004-6361},
      address      = {Les Ulis},
      publisher    = {EDP Sciences},
      reportid     = {PUBDB-2024-07365, arXiv:2403.16802},
      pages        = {A149},
      year         = {2024},
      note         = {$A\&A$ 686, A149 (2024). 13+5 pages, 13+11 figures.
                      Accepted for publication in $A\&A.$ Corresponding authors:
                      T.Wach, A.Mitchell, V.Joshi, P.Chambéry he German Research
                      Foundation(DFG), the Helmholtz Association},
      abstract     = {Context. HESS J1813−178 is a very-high-energy γ-ray
                      source spatially coincident with the young and energetic
                      pulsar PSR J1813−1749and thought to be associated with its
                      pulsar wind nebula (PWN). Recently, evidence for extended
                      high-energy emission in the vicinityof the pulsar has been
                      revealed in the Fermi Large Area Telescope (LAT) data. This
                      motivates revisiting the HESS J1813−178 region,taking
                      advantage of improved analysis methods and an extended
                      dataset.Aims. Using data taken by the High Energy
                      Stereoscopic System (H.E.S.S.) experiment and the Fermi-LAT,
                      we aim to describe theγ-ray emission in the region with a
                      consistent model, to provide insights into its
                      origin.Methods. We performed a likelihood-based analysis on
                      32 hours of H.E.S.S. data and 12 yr of Fermi-LAT data and we
                      fitted a spectromorphological model to the combined
                      datasets. These results allowed us to develop a physical
                      model for the origin of the observedγ-ray emission in the
                      region.Results. In addition to the compact very-high-energy
                      γ-ray emission centred on the pulsar, we find a significant
                      yet previously undetected component along the Galactic
                      plane. With Fermi-LAT data, we confirm extended high-energy
                      emission consistent with theposition and elongation of the
                      extended emission observed with H.E.S.S. These results
                      establish a consistent description of the emission in the
                      region from GeV energies to several tens of TeV.Conclusions.
                      This study suggests that HESS J1813−178 is associated with
                      a γ-ray PWN powered by PSR J1813−1749. A possibleorigin
                      of the extended emission component is inverse Compton
                      emission from electrons and positrons that have escaped the
                      confinesof the pulsar and form a halo around the PWN.},
      cin          = {$Z_GA$ / $Z_HESS$},
      ddc          = {520},
      cid          = {$I:(DE-H253)Z_GA-20210408$ / $I:(DE-H253)Z_HESS-20210408$},
      pnm          = {613 - Matter and Radiation from the Universe (POF4-613)},
      pid          = {G:(DE-HGF)POF4-613},
      experiment   = {EXP:(DE-H253)HESS-20170101},
      typ          = {PUB:(DE-HGF)16},
      eprint       = {2403.16802},
      howpublished = {arXiv:2403.16802},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2403.16802;\%\%$},
      UT           = {WOS:001253345700001},
      doi          = {10.1051/0004-6361/202348374},
      url          = {https://bib-pubdb1.desy.de/record/619078},
}