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@ARTICLE{Vincent:293422,
      author       = {Vincent, Stephane},
      title        = {{M}ulti-epoch study of the gamma-ray emission within the
                      {M}87 magnetosphere model},
      journal      = {Journal of cosmology and astroparticle physics},
      volume       = {2015},
      number       = {05},
      issn         = {1475-7516},
      address      = {London},
      publisher    = {IOP},
      reportid     = {PUBDB-2016-00511, arXiv:1411.1957},
      pages        = {042 - 042},
      year         = {2015},
      note         = {(c) IOP Publishing Ltd and Sissa Medialab srl},
      abstract     = {M87 is a nearby radio galaxy that has been detected at
                      energies ranging from radio to very high energy (VHE)
                      gamma-rays. Its proximity and its jet, misaligned from the
                      line of sight allow detailed morphological studies. The
                      imaging atmospheric Cherenkov technique (from 100 GeV to 10
                      TeV) provides insufficient angular resolution (few
                      arc-minutes) to resolve the M87 emission region. However,
                      the short time scale variability observed by MAGIC, HESS and
                      VERITAS suggests the TeV emission is coming from a very
                      small region, most likely close to the core. We propose that
                      the variable TeV emission may be produced in a pair-starved
                      region of the central black hole (BH) magnetosphere, i.e. a
                      region where the density of the electron-positron plasma is
                      not sufficient to completely screen the accelerating
                      electric field. The funnel, a low density and magnetically
                      dominated region around the poles, appears as a favourable
                      site of low-density where a Blandford-Znajek process may
                      explain the main properties of the TeV γ-ray emission from
                      M87. We produce a broadband spectral energy distribution
                      (SED) of the resulting radiation and compare the model with
                      the observed fluxes from the nucleus of M87, for both low
                      and high γ-ray activities. We finish with a brief
                      discussion on the connection between the accretion rate and
                      the intermittence in the formation of gaps in the
                      magnetosphere.},
      cin          = {ZEU-CTA},
      ddc          = {530},
      cid          = {I:(DE-H253)ZEU-CTA-20120731},
      pnm          = {523 - High-energy gamma ray astronomy (POF2-523)},
      pid          = {G:(DE-HGF)POF2-523},
      experiment   = {EXP:(DE-H253)CTA-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000355794800042},
      eprint       = {1411.1957},
      howpublished = {arXiv:1411.1957},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1411.1957;\%\%$},
      doi          = {10.1088/1475-7516/2015/05/042},
      url          = {https://bib-pubdb1.desy.de/record/293422},
}