% IMPORTANT: The following is UTF-8 encoded.  This means that in the presence
% of non-ASCII characters, it will not work with BibTeX 0.99 or older.
% Instead, you should use an up-to-date BibTeX implementation like “bibtex8” or
% “biber”.

@ARTICLE{Garrappa:616868,
      author       = {Garrappa, Simone and Buson, S. and Sinapius, J. and
                      Franckowiak, A. and Liodakis, I. and Bartolini, C. and
                      Giroletti, M. and Nanci, C. and Principe, G. and Venters, T.
                      M.},
      title        = {{F}ermi-{LAT} follow-up observations in seven years of
                      real-time high-energy neutrino alerts},
      reportid     = {PUBDB-2024-06559, arXiv:2401.06666},
      year         = {2024},
      note         = {$A\&A$ 687, A59 (2024). Published on $A\&A$},
      abstract     = {The realtime program for high-energy neutrino track events
                      detected by the IceCube South Pole Neutrino Observatory
                      releases alerts to the astronomical community with the goal
                      of identifying electromagnetic counterparts to astrophysical
                      neutrinos. Gamma-ray observations from the Fermi-Large Area
                      Telescope (LAT) enabled the identification of the flaring
                      gamma-ray blazar TXS 0506+056 as a likely counterpart to the
                      neutrino event IC-170922A. By continuously monitoring the
                      gamma-ray sky, Fermi-LAT plays a key role in the
                      identification of candidate counterparts to realtime
                      neutrino alerts. In this paper, we present the Fermi-LAT
                      strategy for following up high-energy neutrino alerts
                      applied to seven years of IceCube data. Right after
                      receiving an alert, a search is performed in order to
                      identify gamma-ray activity from known and newly detected
                      sources that are positionally consistent with the neutrino
                      localization. In this work, we study the population of
                      blazars found in coincidence with high-energy neutrinos and
                      compare them to the full population of gamma-ray blazars
                      detected by Fermi-LAT. We also evaluate the relationship
                      between the neutrino and gamma-ray luminosities, finding
                      different trends between the two blazar classes BL Lacs and
                      flat-spectrum radio quasars.Key words: astroparticle physics
                      / neutrinos / galaxies: active / gamma rays: galaxies},
      keywords     = {gamma ray (INSPIRE) / blazar (INSPIRE) / IceCube (INSPIRE)
                      / observatory (INSPIRE) / monitoring (INSPIRE) /
                      localization (INSPIRE) / quasar (INSPIRE) / tracks (INSPIRE)
                      / pole (INSPIRE) / electromagnetic (INSPIRE)},
      cin          = {$Z_GA$},
      ddc          = {520},
      cid          = {$I:(DE-H253)Z_GA-20210408$},
      pnm          = {613 - Matter and Radiation from the Universe (POF4-613) /
                      DFG project G:(GEPRIS)445052434 - SFB 1491: Das Wechselspiel
                      der kosmischen Materie - von der Quelle bis zum Signal
                      (445052434) / MessMapp - Mapping Highly-Energetic Messengers
                      throughout the Universe (949555)},
      pid          = {G:(DE-HGF)POF4-613 / G:(GEPRIS)445052434 /
                      G:(EU-Grant)949555},
      experiment   = {EXP:(DE-H253)Fermi-20170101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2401.06666},
      howpublished = {arXiv:2401.06666},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2401.06666;\%\%$},
      url          = {https://bib-pubdb1.desy.de/record/616868},
}