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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
FIRST NuSTAR OBSERVATIONS of MRK 501 WITHIN A RADIO to TeV MULTI-INSTRUMENT CAMPAIGN
Astrophysical Journal, Volume 812, No. 1, Article 65, Year 2015
Notification
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Description
We report on simultaneous broadband observations of the TeV-emitting blazar Markarian 501 between 2013 April 1 and August 10, including the first detailed characterization of the synchrotron peak with Swift and NuSTAR. During the campaign, the nearby BL Lac object was observed in both a quiescent and an elevated state. The broadband campaign includes observations with NuSTAR, MAGIC, VERITAS, the Fermi Large Area Telescope, Swift X-ray Telescope and UV Optical Telescope, various ground-based optical instruments, including the GASP-WEBT program, as well as radio observations by OVRO, Metsähovi, and the F-Gamma consortium. Some of the MAGIC observations were affected by a sand layer from the Saharan desert, and had to be corrected using event-by-event corrections derived with a Light Detection and Ranging (LIDAR) facility. This is the first time that LIDAR information is used to produce a physics result with Cherenkov Telescope data taken during adverse atmospheric conditions, and hence sets a precedent for the current and future ground-based gamma-ray instruments. The NuSTAR instrument provides unprecedented sensitivity in hard X-rays, showing the source to display a spectral energy distribution (SED) between 3 and 79 keV consistent with a log-parabolic spectrum and hard X-ray variability on hour timescales. None (of the four extended NuSTAR observations) show evidence of the onset of inverse-Compton emission at hard X-ray energies. We apply a single-zone equilibrium synchrotron self-Compton (SSC) model to five simultaneous broadband SEDs. We find that the SSC model can reproduce the observed broadband states through a decrease in the magnetic field strength coinciding with an increase in the luminosity and hardness of the relativistic leptons responsible for the high-energy emission. © 2015. The American Astronomical Society. All rights reserved..
Authors & Co-Authors
Furniss, Amy K.
United States, Palo Alto
Stanford University
Noda, Koji
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Boggs, Stephen E.
United States, Berkeley
University of California, Berkeley
Chiang, James
United States, Palo Alto
Stanford University
Christensen, Finn Erland E.
Denmark, Lyngby
Technical University of Denmark
Craig, William W.
United States, Livermore
Lawrence Livermore National Laboratory
United States, Berkeley
Space Sciences Laboratory
Giommi, Paolo
Italy, Rome
Agenzia Spaziale Italiana
Hailey, Charles J.
United States, New York
Columbia University
Madejski, Grzegorz M.
United States, Palo Alto
Stanford University
Nalewajko, Krzysztof
United States, Palo Alto
Stanford University
Perri, Matteo
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Stern, Daniel K.
United States, Pasadena
California Institute of Technology
Urry, Meg C.
United States, New Haven
Yale University
Verrecchia, Francesco
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Zhang, William W.
United States, Greenbelt
Nasa Goddard Space Flight Center
Ahnen, Max L.
Switzerland, Zurich
Eth Zürich
Ansoldi, Stefano
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Antonelli, Lucio Angelo
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Antoranz, Pedro
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Babić, Ana
Croatia, Split
University of Split
Banerjee, Biswajit
India, Kolkata
Saha Institute of Nuclear Physics
Bangale, Priyadarshini
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Barres De Almeida, Ulisses
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Brazil, Rio de Janeiro
Centro Brasileiro de Pesquisas Físicas
Becerra González, Josefa
United States, Greenbelt
Nasa Goddard Space Flight Center
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
United States, College Park
University of Maryland, College Park
Bednarek, Włodzimierz
Poland, Lodz
University of Lodz
Bernardini, Elisa
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Germany, Berlin
Humboldt-universität zu Berlin
Biasuzzi, Barbara
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Biland, Adrian
Switzerland, Zurich
Eth Zürich
Blanch, Oscar
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Bonnefoy, Simon
Spain, Madrid
Universidad Complutense de Madrid
Bonnoli, Giacomo
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Borracci, F.
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Bretz, Thomas
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Switzerland, Lausanne
École Polytechnique Fédérale de Lausanne
Carosi, Alessandro
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Colin, Pierre
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Colombo, E.
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Contreras, José Luis
Spain, Madrid
Universidad Complutense de Madrid
Cortina, J.
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Covino, Stefano
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
da Vela, Paolo
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Dazzi, Francesco
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
De Angelis, Alessandro D.
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
De Lotto, Barbara
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
De Oña Wilhelmi, Emma
Spain, Barcelona
Csic - Instituto de Ciencias Del Espacio Ice
Di Pierro, F.
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Dominis-Prester, Dijana
Croatia, Split
University of Split
Dorner, Daniela
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Doro, Michele
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Einecke, Sabrina
Germany, Dortmund
Technische Universität Dortmund
Eisenacher Glawion, D.
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Elsässer, Dominik
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Fernandez-Barral, Alba
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Fidalgo, David Carreto
Spain, Madrid
Universidad Complutense de Madrid
Fonseca, M. V.
Spain, Madrid
Universidad Complutense de Madrid
Font, Ll L.
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Fruck, Christian
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Galindo, Daniel
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
García López, Ramón J.
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Garczarczyk, Markus
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Gaug, Markus
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Giammaria, P.
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Godinović, Nikola
Croatia, Split
University of Split
González Muñoz, A.
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Guberman, D.
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Hayashida, Masaaki
Japan, Tokyo
Tokai University
Herrera, Juan Carlos Helo
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Hose, Juergen
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Hrupec, Dario
Croatia, Split
University of Split
Hughes, Gareth A.
Switzerland, Zurich
Eth Zürich
Kellermann, Hanna
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Konno, Yusuke
Japan, Tokyo
Tokai University
Kubo, Hidetoshi
Japan, Tokyo
Tokai University
Kushida, Junko
Japan, Tokyo
Tokai University
La Barbera, Antonino
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Lelas, Damir
Croatia, Split
University of Split
Lewandowska, Natalia
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Lindfors, Elina J.
Finland, Turku
Turun Yliopisto
Lombardi, Saverio
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Longo, Francesco
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
López-Moya, Marcos
Spain, Madrid
Universidad Complutense de Madrid
López-Coto, Rubén
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
López-Oramas, Alicia
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Lorenz, Eckhart
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Majumdar, Pratik
India, Kolkata
Saha Institute of Nuclear Physics
Makariev, M. V.
Bulgaria, Sofia
Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences
Maneva, Galina M.
Bulgaria, Sofia
Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences
Manganaro, Marina
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Mannheim, Karl
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Maraschi, Laura
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Marcote, Benito
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Mariotti, M.
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Martínez, Manel
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Mazin, Daniel
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Menzel, Uta
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Mirzoyan, Razmik G.
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Moralejo, Abelardo
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Neustroev, Vitaly V.
Finland, Turku
Turun Yliopisto
Maciołek-Niedźwiecki, Andrzej
Poland, Lodz
University of Lodz
Nievas-Rosillo, M.
Spain, Madrid
Universidad Complutense de Madrid
Nilsson, Kari
Finland, Turku
Turun Yliopisto
Nishijima, Kyoshi
Japan, Tokyo
Tokai University
Paiano, Simona
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Palacio, Joaquim
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Palatiello, Michele
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Paneque, David
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Paoletti, Riccardo
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Paredes, Josep Maria
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Persic, Massimo
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Italy, Trieste
Osservatorio Astronomico Di Trieste
Poutanen, Juri
Finland, Turku
Turun Yliopisto
Prada Moroni, Pier Giorgio
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Prandini, Elisa
Switzerland, Zurich
Eth Zürich
Puljak, Ivica
Croatia, Split
University of Split
Reinthal, Riho
Finland, Turku
Turun Yliopisto
Rhode, Wolfgang
Germany, Dortmund
Technische Universität Dortmund
Ribó, Marc
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Rico, Javier R.
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Schweizer, Thomas
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Shore, Steven N.
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Sitarek, Julian
Poland, Lodz
University of Lodz
Sobczyńska, Dorota
Poland, Lodz
University of Lodz
Stamerra, Antonio
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Steinbring, T.
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Takalo, Leo O.
Finland, Turku
Turun Yliopisto
Tavecchio, Fabrizio
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Terzić, Tomislav
Croatia, Split
University of Split
Teshima, Masahiro
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Torres, Diego F.
Spain, Barcelona
Institució Catalana de Recerca I Estudis Avançats
Treves, Aldo
Italy, Bicocca
Istituto Nazionale Di Fisica Nucleare, Sezione Di Milano-bicocca
Vovk, Ievgen
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Zanin, Roberta
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Archer, Avery
United States, St. Louis
Washington University in St. Louis
Benbow, Wystan R.
United States, Amado
Fred Lawrence Whipple Observatory
Bird, Ralph
Ireland, Dublin
University College Dublin
Biteau, Jonathan
United States, Santa Cruz
University of California, Santa Cruz
Bugaev, Viatcheslav V.
United States, St. Louis
Washington University in St. Louis
Cardenzana, Joshua V.
United States, Ames
Iowa State University
Cerruti, Matteo
United States, Amado
Fred Lawrence Whipple Observatory
Chen, Xuhui
Germany, Potsdam
Universität Potsdam
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Ciupik, Larry
United States, Chicago
Adler Planetarium
Connolly, M. P.
Ireland, Galway
University of Galway
Cui, Wei K.
United States, West Lafayette
Purdue University
Dickinson, Hugh J.
United States, Ames
Iowa State University
Dumm, Jon P.
United States, Minneapolis
University of Minnesota Twin Cities
Eisch, J. D.
United States, Ames
Iowa State University
Falcone, Abraham D.
United States, University Park
Pennsylvania State University
Feng, Qi
United States, West Lafayette
Purdue University
Finley, John P.
United States, West Lafayette
Purdue University
Fleischhack, Henrike
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Fortin, Pascal
United States, Amado
Fred Lawrence Whipple Observatory
Fortson, Lucy F.
United States, Minneapolis
University of Minnesota Twin Cities
Gérard, Lucie
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Gillanders, G. H.
Ireland, Galway
University of Galway
Griffin, Sean C.
Canada, Montreal
Université Mcgill
Griffiths, Scott T.
United States, Iowa City
University of Iowa
Grube, J.
United States, Chicago
Adler Planetarium
Gyuk, Geza
United States, Chicago
Adler Planetarium
Håkansson, Nils
Germany, Potsdam
Universität Potsdam
Holder, Jamie A.
United States, Newark
University of Delaware
Humensky, T. B.
United States, New York
Columbia University
Johnson, Caitlin A.
United States, Santa Cruz
University of California, Santa Cruz
Kaaret, Phillip E.
United States, Iowa City
University of Iowa
Kertzman, M. P.
United States, Greencastle
Depauw University
Kieda, David B.
United States, Salt Lake City
The University of Utah
Krause, Maria
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Krennrich, Frank
United States, Ames
Iowa State University
Lang, Mark J.
Ireland, Galway
University of Galway
Maier, Gernot
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
McArthur, Scot P.
United States, Chicago
The University of Chicago
McCann, Andrew J.
United States, Chicago
The University of Chicago
Meagher, Kevin J.
United States, Atlanta
Georgia Institute of Technology
Moriarty, P.
Ireland, Galway
University of Galway
Mukherjee, Reshmi
United States, New York
Columbia University
Nieto, Daniel
United States, New York
Columbia University
O'Faoláin de Bhróithe, Anna
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Ong, RenéA A.
United States, Los Angeles
University of California, Los Angeles
Park, Nahee
United States, Chicago
The University of Chicago
Petry, Dirk
Serbia, Belgrade
Astronomical Observatory Belgrade
Pohl, Martin
Germany, Potsdam
Universität Potsdam
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Popkow, Alexis
United States, Los Angeles
University of California, Los Angeles
Ragan, K. J.
United States, Salt Lake City
The University of Utah
Reyes, Luis C.
United States, San Luis Obispo
California Polytechnic State University, San Luis Obispo
Reynolds, P. T.
Ireland, Bishopstown
Munster Technological University Mtu
Richards, Gregory T.
United States, Atlanta
Georgia Institute of Technology
Roache, Emmet T.
United States, Amado
Fred Lawrence Whipple Observatory
Santander, Marcos
United States, New York
Columbia University
Sembroski, Glenn H.
United States, West Lafayette
Purdue University
Shahinyan, Karlen
United States, Minneapolis
University of Minnesota Twin Cities
Staszak, David
Canada, Montreal
Université Mcgill
Telezhinsky, Igor O.
Germany, Potsdam
Universität Potsdam
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Tucci, J. V.
United States, West Lafayette
Purdue University
Tyler, Jonathan B.
United States, Iowa City
University of Iowa
Vassiliev, Vladimir V.
United States, Los Angeles
University of California, Los Angeles
Wakely, Scott P.
United States, Chicago
The University of Chicago
Weiner, Ori M.
United States, New York
Columbia University
Weinstein, Amanda
United States, Ames
Iowa State University
Wilhelm, Andrew S.
Germany, Potsdam
Universität Potsdam
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Williams, David A.
United States, Santa Cruz
University of California, Santa Cruz
Zitzer, Benjamin
United States, Lemont
Argonne National Laboratory
Vince, Oliver
Taiwan, Taoyuan
National Central University
Fuhrmann, Lars
Germany, Bonn
Max Planck Institute for Radio Astronomy
Angelakis, Emmanouil
Germany, Bonn
Max Planck Institute for Radio Astronomy
Myserlis, Ioannis
Germany, Bonn
Max Planck Institute for Radio Astronomy
Krichbaum, Thomas P.
Germany, Bonn
Max Planck Institute for Radio Astronomy
Zensus, Anton J.
Unknown Affiliation
Ungerechts, Hans
Unknown Affiliation
Sievers, Albrecht W.
Unknown Affiliation
Bachev, Rumen S.
Bulgaria, Sofia
The Bulgarian Academy of Sciences
Boettcher, M.
South Africa, Potchefstroom
North-west University
Chen, Wenping
Taiwan, Taoyuan
National Central University
Damljanović, Goran
Serbia, Belgrade
Astronomical Observatory Belgrade
Eswaraiah, Chakali
Taiwan, Taoyuan
National Central University
Güver, Tolga
Turkey, Istanbul
Istanbul Üniversitesi
Hovatta, Talvikki
United States, Pasadena
California Institute of Technology
Finland, Espoo
Aalto University
Hughes, Zachary D.
United States, Santa Cruz
University of California, Santa Cruz
Ibryamov, Sunay I.
Bulgaria, Sofia
The Bulgarian Academy of Sciences
Joner, Michael D.
United States, Provo
Brigham Young University
Jorstad, Svetlana G.
United States, Boston
Boston University
Russian Federation, Saint Petersburg
Saint Petersburg State University
Joshi, Manasvita
United States, Boston
Boston University
Kataoka, Jun
Japan, Tokyo
Waseda University
Kurtanidze, Omar M.
Georgia, Abastumani
Abastumani Astrophysical Observatory
Russian Federation, Kazan
Kazan Federal University
Kurtanidze, Sofia O.
Georgia, Abastumani
Abastumani Astrophysical Observatory
L¨ahteenm¨aki, Anne A.
Finland, Espoo
Aalto University
Latev, Georgi Y.
Bulgaria, Sofia
The Bulgarian Academy of Sciences
Lin, Hungchin
Taiwan, Taoyuan
National Central University
Larionov, Valeri M.
Russian Federation, Saint Petersburg
Saint Petersburg State University
Russian Federation, Saint Petersburg
Pulkovo Observatory of the Russian Academy of Sciences
Chile, Santiago
Isaac Newton Institute of Chile
Morozova, Daria A.
Russian Federation, Saint Petersburg
Saint Petersburg State University
Nikolashvili, M. G.
Georgia, Abastumani
Abastumani Astrophysical Observatory
Raiteri, Claudia M.
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Ramakrishnan, Venkatessh
Finland, Espoo
Aalto University
Sadun, Alberto C.
United States, Denver
University of Colorado Denver
Sigua, Lorand A.
Georgia, Abastumani
Abastumani Astrophysical Observatory
Semkov, Evgeni H.
Bulgaria, Sofia
The Bulgarian Academy of Sciences
Strigachev, Anton A.
Bulgaria, Sofia
The Bulgarian Academy of Sciences
Tammi, Joni
Finland, Espoo
Aalto University
Tornikoski, Merja
Finland, Espoo
Aalto University
Troitskaya, Yu V.
Russian Federation, Saint Petersburg
Saint Petersburg State University
Troitsky, Ivan S.
Russian Federation, Saint Petersburg
Saint Petersburg State University
Villata, Massimo
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Statistics
Citations: 54
Authors: 238
Affiliations: 78
Identifiers
Doi:
10.1088/0004-637X/812/1/65
ISSN:
0004637X
Research Areas
Environmental
Health System And Policy