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@ARTICLE{Algaba:458707,
author = {Algaba, J. C. and Anczarski, J. and Asada, K. and
Baloković, M. and Chandra, S. and Cui, Y.-Z. and Falcone,
A. D. and Giroletti, M. and Goddi, C. and Hada, K. and
Haggard, D. and Jorstad, S. and Kaur, A. and Kawashima, T.
and Keating, G. and Kim, J.-Y. and Kino, M. and Komossa, S.
and Kravchenko, E. V. and Krichbaum, T. P. and Lee, S.-S.
and Lu, R.-S. and Lucchini, M. and Markoff, S. and Neilsen,
J. and Nowak, M. A. and Park, J. and Principe, G. and
Ramakrishnan, V. and Reynolds, M. T. and Sasada, M. and
Savchenko, S. S. and Williamson, K. E. and Hirota, Tomoya
and Cui, Lang and Niinuma, Kotaro and Ro, Hyunwook and
Sakai, Nobuyuki and Sawada-Satoh, Satoko and Wajima, Kiyoaki
and Wang, Na and Liu, Xiang and Yonekura, Yoshinori and
Akiyama, Kazunori and Alberdi, Antxon and Alef, Walter and
Anantua, Richard and Azulay, Rebecca and Baczko,
Anne-Kathrin and Ball, David and Barrett, John and Bintley,
Dan and Benson, Bradford A. and Blackburn, Lindy and
Blundell, Raymond and Boland, Wilfred and Bouman, Katherine
L. and Bower, Geoffrey C. and Boyce, Hope and Bremer,
Michael and Brinkerink, Christiaan D. and Brissenden, Roger
and Britzen, Silke and Broderick, Avery E. and Broguiere,
Dominique and Bronzwaer, Thomas and Byun, Do-Young and
Carlstrom, John E. and Chael, Andrew and Chan, Chi-kwan and
Chatterjee, Shami and Chatterjee, Koushik and Chen,
Ming-Tang and Chen, Yongjun and Chesler, Paul M. and Cho,
Ilje and Christian, Pierre and Conway, John E. and Cordes,
James M. and Crawford, Thomas M. and Crew, Geoffrey B. and
Cruz-Osorio, Alejandro and Davelaar, Jordy and De Laurentis,
Mariafelicia and Deane, Roger and Dempsey, Jessica and
Desvignes, Gregory and Dexter, Jason and Doeleman, Sheperd
S. and Eatough, Ralph P. and Falcke, Heino and Farah, Joseph
and Fish, Vincent L. and Fomalont, E. and Alyson Ford, H.
and Fraga-Encinas, Raquel and Friberg, Per and Fromm,
Christian M. and Fuentes, Antonio and Galison, Peter and
Gammie, Charles F. and García, Roberto and Gentaz, Olivier
and Georgiev, Boris and Gold, Roman and Gómez, José L. and
Gómez-Ruiz, Arturo I. and Gu, Minfeng and Gurwell, Mark and
Hecht, Michael H. and Hesper, Ronald and Ho, Luis C. and Ho,
Paul and Honma, Mareki and Huang, Chih-Wei L. and Huang, Lei
and Hughes, David H. and Ikeda, Shiro and Inoue, Makoto and
Issaoun, Sara and James, David J. and Jannuzi, Buell T. and
Janssen, Michael and Jeter, Britton and Jiang, Wu and
Jimenez-Rosales, Alejandra and Johnson, Michael D. and Jung,
Taehyun and Karami, Mansour and Karuppusamy, Ramesh and
Kettenis, Mark and Kim, Dong-Jin and Kim, Jongsoo and Kim,
Junhan and Koay, Jun Yi and Kofuji, Yutaro and Koch, Patrick
M. and Koyama, Shoko and Kramer, Michael and Kramer, Carsten
and Kuo, Cheng-Yu and Lauer, Tod R. and Levis, Aviad and Li,
Yan-Rong and Li, Zhiyuan and Lindqvist, Michael and Lico,
Rocco and Lindahl, Greg and Liu, Jun and Liu, Kuo and
Liuzzo, Elisabetta and Lo, Wen-Ping and Lobanov, Andrei P.
and Loinard, Laurent and Lonsdale, Colin and MacDonald,
Nicholas R. and Mao, Jirong and Marchili, Nicola and
Marrone, Daniel P. and Marscher, Alan P. and Martí-Vidal,
Iván and Matsushita, Satoki and Matthews, Lynn D. and
Medeiros, Lia and Menten, Karl M. and Mizuno, Izumi and
Mizuno, Yosuke and Moran, James M. and Moriyama, Kotaro and
Moscibrodzka, Monika and Müller, Cornelia and Musoke, Gibwa
and Mejías, Alejandro Mus and Nagai, Hiroshi and Nagar,
Neil M. and Nakamura, Masanori and Narayan, Ramesh and
Narayanan, Gopal and Natarajan, Iniyan and Nathanail,
Antonios and Neri, Roberto and Ni, Chunchong and Noutsos,
Aristeidis and Okino, Hiroki and Olivares, Héctor and
Ortiz-León, Gisela N. and Oyama, Tomoaki and Özel, Feryal
and Palumbo, Daniel C. M. and Patel, Nimesh and Pen, Ue-Li
and Pesce, Dominic W. and Piétu, Vincent and Plambeck,
Richard and PopStefanija, Aleksandar and Porth, Oliver and
Pötzl, Felix M. and Prather, Ben and Preciado-López, Jorge
A. and Psaltis, Dimitrios and Pu, Hung-Yi and Rao, Ramprasad
and Rawlings, Mark G. and Raymond, Alexander W. and
Rezzolla, Luciano and Ricarte, Angelo and Ripperda, Bart and
Roelofs, Freek and Rogers, Alan and Ros, Eduardo and Rose,
Mel and Roshanineshat, Arash and Rottmann, Helge and Roy,
Alan L. and Ruszczyk, Chet and Rygl, Kazi L. J. and
Sánchez, Salvador and Sánchez-Arguelles, David and
Savolainen, Tuomas and Peter Schloerb, F. and Schuster,
Karl-Friedrich and Shao, Lijing and Shen, Zhiqiang and
Small, Des and Sohn, Bong Won and SooHoo, Jason and Sun, He
and Tazaki, Fumie and Tetarenko, Alexandra J. and Tiede,
Paul and Tilanus, Remo P. J. and Titus, Michael and Toma,
Kenji and Torne, Pablo and Trent, Tyler and Traianou,
Efthalia and Trippe, Sascha and van Bemmel, Ilse and van
Langevelde, Huib Jan and van Rossum, Daniel R. and Wagner,
Jan and Ward-Thompson, Derek and Wardle, John and Weintroub,
Jonathan and Wex, Norbert and Wharton, Robert and Wielgus,
Maciek and Wong, George N. and Wu, Qingwen and Yoon, Doosoo
and Young, André and Young, Ken and Younsi, Ziri and Yuan,
Feng and Yuan, Ye-Fei and Anton Zensus, J. and Zhao,
Guang-Yao and Zhao, Shan-Shan and Giroletti, M. and
D'Ammando, F. and Orienti, M. and Abdalla, H. and Adam, R.
and Aharonian, F. and Ait Benkhali, F. and Angüner, E. O.
and Arcaro, C. and Armand, C. and Armstrong, T. and Ashkar,
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and Barnacka, A. and Barnard, M. and Becherini, Y. and
Berge, D. and Bernlöhr, K. and Bi, B. and Böttcher, M. and
Boisson, C. and Bolmont, J. and de Bony de Lavergne, M. and
Breuhaus, M. and Brun, F. and Brun, P. and Bryan, M. and
Büchele, M. and Bulik, T. and Bylund, T. and Caroff, S. and
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and Davids, I. D. and Davies, J. and Deil, C. and Devin, J.
and deWilt, P. and Dirson, L. and Djannati-Ataï, A. and
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J. F. and Gottschall, D. and Grondin, M.-H. and Hahn, J. and
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and Hoischen, C. and Holch, T. L. and Holler, M. and Hörbe,
M. and Horns, D. and Huber, D. and Jamrozy, M. and
Jankowsky, D. and Jankowsky, F. and Jardin-Blicq, A. and
Joshi, V. and Jung-Richardt, I. and Kasai, E. and
Kastendieck, M. A. and Katarzyński, K. and Katz, U. and
Khangulyan, D. and Khélifi, B. and Klepser, S. and
Kluźniak, W. and Komin, Nu. and Konno, R. and Kosack, K.
and Kostunin, D. and Kreter, M. and Lamanna, G. and
Lemière, A. and Lemoine-Goumard, M. and Lenain, J.-P. and
Levy, C. and Lohse, T. and Lypova, I. and Mackey, J. and
Majumdar, J. and Malyshev, D. and Malyshev, D. and Marandon,
V. and Marchegiani, P. and Marcowith, A. and Mares, A. and
Martí-Devesa, G. and Marx, R. and Maurin, G. and Meintjes,
P. J. and Meyer, M. and Moderski, R. and Mohamed, M. and
Mohrmann, L. and Montanari, A. and Moore, C. and Morris, P.
and Moulin, E. and Muller, J. and Murach, T. and Nakashima,
K. and Nayerhoda, A. and de Naurois, M. and Ndiyavala, H.
and Niederwanger, F. and Niemiec, J. and Oakes, L. and
O'Brien, P. and Odaka, H. and Ohm, S. and Olivera-Nieto, L.
and de Ona Wilhelmi, E. and Ostrowski, M. and Panter, M. and
Panny, S. and Parsons, R. D. and Peron, G. and Peyaud, B.
and Piel, Q. and Pita, S. and Poireau, V. and Priyana Noel,
A. and Prokhorov, D. A. and Prokoph, H. and Pühlhofer, G.
and Punch, M. and Quirrenbach, A. and Rauth, R. and
Reichherzer, P. and Reimer, A. and Reimer, O. and Remy, Q.
and Renaud, M. and Rieger, F. and Rinchiuso, L. and Romoli,
C. and Rowell, G. and Rudak, B. and Ruiz-Velasco, E. and
Sahakian, V. and Sailer, S. and Sanchez, D. A. and
Santangelo, A. and Sasaki, M. and Scalici, M. and Schutte,
H. M. and Schwanke, U. and Schwemmer, S. and Seglar-Arroyo,
M. and Senniappan, M. and Seyffert, A. S. and Shafi, N. and
Shiningayamwe, K. and Simoni, R. and Sinha, A. and Sol, H.
and Specovius, A. and Spencer, S. and Spir-Jacob, M. and
Sun, L. and Steenkamp, R. and Stegmann, C. and Steinmassl,
S. and Steppa, C. and Takahashi, T. and Tavernier, T. and
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Werner, F. and White, R. and Wierzcholska, A. and Wong, Yu
Wun and Yusafzai, A. and Zacharias, M. and Zanin, R. and
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V. A. and Ansoldi, S. and Antonelli, L. A. and Arbet Engels,
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and Becerra González, J. and Bednarek, W. and Bellizzi, L.
and Bernardini, E. and Bernardos, M. and Berti, A. and
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Ventura, S. and Verguilov, V. and Vigorito, C. F. and
Vitale, V. and Vovk, I. and Will, M. and Wunderlich, C. and
Zarić, D. and Adams, C. B. and Benbow, W. and Brill, A. and
Capasso, M. and Christiansen, J. L. and Chromey, A. J. and
Daniel, M. K. and Errando, M. and A Farrell, K. and Feng, Q.
and Finley, J. P. and Fortson, L. and Furniss, A. and Gent,
A. and Giuri, C. and Hassan, T. and Hervet, O. and Holder,
J. and Hughes, G. and Humensky, T. B. and Jin, W. and
Kaaret, P. and Kertzman, M. and Kieda, D. and Kumar, S. and
Lang, M. J. and Lundy, M. and Maier, G. and Moriarty, P. and
Mukherjee, R. and Nieto, D. and Nievas-Rosillo, M. and
O'Brien, S. and Ong, R. A. and Otte, A. N. and Patel, S. and
Pfrang, K. and Pohl, M. and Prado, R. R. and Pueschel, E.
and Quinn, J. and Ragan, K. and Reynolds, P. T. and Ribeiro,
D. and Richards, G. T. and Roache, E. and Rulten, C. and
Ryan, J. L. and Santander, M. and Sembroski, G. H. and
Shang, R. and Weinstein, A. and Williams, D. A. and J
Williamson, T. and The Event Horizon {Telescope
Collaboration} and {EAVN Collaboration} and The Fermi Large
Area {Telescope Collaboration}},
collaboration = {H. E. S. S.{ Collaboration} and {MAGIC Collaboration} and
{VERITAS Collaboration}},
title = {{B}roadband {M}ulti-wavelength {P}roperties of {M}87 during
the 2017 {E}vent {H}orizon {T}elescope {C}ampaign},
journal = {The astrophysical journal / 2},
volume = {911},
number = {1},
issn = {2041-8205},
address = {Chicago, Ill. [u.a.]},
publisher = {Univ.},
reportid = {PUBDB-2021-02289, arXiv:2104.06855},
pages = {L11},
year = {2021},
note = {43 pages, 19 figures, 10 tables; complete author list
available in manuscript; The Astrophysical Journal Letters,
2021, 911, L11; publication doi: 3847/2041-8213/abef71, data
doi: 10.25739/mhh2-cw46},
abstract = {In 2017, the Event Horizon Telescope (EHT) Collaboration
succeeded in capturing the first direct image of the center
of the M87 galaxy. The asymmetric ring morphology and size
are consistent with theoretical expectations for a weakly
accreting supermassive black hole of mass ∼6.5 × 10$^9
M_⊙$. The EHTC also partnered with several international
facilities in space and on the ground, to arrange an
extensive, quasi-simultaneous multi-wavelength campaign.
This Letter presents the results and analysis of this
campaign, as well as the multi-wavelength data as a legacy
data repository. We captured M87 in a historically low
state, and the core flux dominates over HST-1 at high
energies, making it possible to combine core flux
constraints with the more spatially precise very long
baseline interferometry data. We present the most complete
simultaneous multi-wavelength spectrum of the active nucleus
to date, and discuss the complexity and caveats of combining
data from different spatial scales into one broadband
spectrum. We apply two heuristic, isotropic leptonic
single-zone models to provide insight into the basic source
properties, but conclude that a structured jet is necessary
to explain M87’s spectrum. We can exclude that the
simultaneous $γ$-ray emission is produced via inverse
Compton emission in the same region producing the EHT
mm-band emission, and further conclude that the $γ$-rays
can only be produced in the inner jets (inward of HST-1) if
there are strongly particle-dominated regions. Direct
synchrotron emission from accelerated protons and
secondaries cannot yet be excluded.},
cin = {ZEU-EXP/AT},
ddc = {520},
cid = {$I:(DE-H253)ZEU-EXP_AT-20120731$},
pnm = {613 - Matter and Radiation from the Universe (POF4-613)},
pid = {G:(DE-HGF)POF4-613},
experiment = {EXP:(DE-H253)HESS-20170101 / EXP:(DE-H253)MAGIC-20170101 /
EXP:(DE-H253)Fermi-20170101 / EXP:(DE-H253)VERITAS-20170101},
typ = {PUB:(DE-HGF)16},
eprint = {2104.06855},
howpublished = {arXiv:2104.06855},
archivePrefix = {arXiv},
SLACcitation = {$\%\%CITATION$ = $arXiv:2104.06855;\%\%$},
UT = {WOS:000746900400001},
doi = {10.3847/2041-8213/abef71},
url = {https://bib-pubdb1.desy.de/record/458707},
}
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