A
A. Popkow
Researcher at University of California, Los Angeles
Publications - 87
Citations - 3362
A. Popkow is an academic researcher from University of California, Los Angeles. The author has contributed to research in topics: Blazar & Fermi Gamma-ray Space Telescope. The author has an hindex of 35, co-authored 87 publications receiving 3024 citations. Previous affiliations of A. Popkow include University of Hawaii at Manoa & University of California, Berkeley.
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Journal ArticleDOI
Unprecedented study of the broadband emission of Mrk 421 during flaring activity in March 2010
Jelena Aleksić,Stefano Ansoldi,Louis Antonelli,P. Antoranz,Ana Babić,P. Bangale,U. Barres de Almeida,Juan Abel Barrio,J. Becerra González,J. Becerra González,W. Bednarek,Elisa Bernardini,B. Biasuzzi,Adrian Biland,Oscar Blanch,A. Boller,S. Bonnefoy,G. Bonnoli,F. Borracci,Thomas Bretz,Thomas Bretz,E. Carmona,Alessandro Carosi,Pierre Colin,E. Colombo,Jose Luis Contreras,Juan Cortina,Stefano Covino,P. Da Vela,Francesco Dazzi,A. De Angelis,G. De Caneva,B. De Lotto,E. de Oña Wilhelmi,C. Delgado Mendez,D. Dominis Prester,Daniela Dorner,Michele Doro,Sabrina Einecke,D. Eisenacher,D. Elsaesser,M. V. Fonseca,Ll. Font,K. Frantzen,C. Fruck,D. Galindo,R. J. García López,Markus Garczarczyk,D. Garrido Terrats,M. Gaug,Nikola Godinovic,A. González Muñoz,S. R. Gozzini,D. Hadasch,Y. Hanabata,M. Hayashida,J. Herrera,D. Hildebrand,J. Hose,Dario Hrupec,G. Hughes,W. Idec,V. Kadenius,Hanna Kellermann,M. L. Knoetig,K. Kodani,Yusuke Konno,J. Krause,Hidetoshi Kubo,J. Kushida,A. La Barbera,Damir Lelas,Natalia Lewandowska,Elina Lindfors,Saverio Lombardi,M. A. Lopez,Ruben Lopez-Coto,A. López-Oramas,E. Lorenz,I. Lozano,M. Makariev,K. Mallot,G. Maneva,N. Mankuzhiyil,N. Mankuzhiyil,Karl Mannheim,L. Maraschi,Benito Marcote,Mosè Mariotti,M. I. Martínez,Daniel Mazin,U. Menzel,Jose Miguel Miranda,Razmik Mirzoyan,Abelardo Moralejo,P. Munar-Adrover,D. Nakajima,A. Niedzwiecki,Kari Nilsson,K. Nishijima,Koji Noda,Reiko Orito,A.-K. Overkemping,S. Paiano,M. Palatiello,David Paneque,Riccardo Paoletti,J. M. Paredes,X. Paredes-Fortuny,Massimo Persic,Massimo Persic,P. G. Prada Moroni,E. Prandini,Ivica Puljak,R. Reinthal,Wolfgang Rhode,Marc Ribó,J. Rico,J. Rodriguez Garcia,S. Rügamer,Takashi Saito,K. Saito,Konstancja Satalecka,V. Scalzotto,V. Scapin,C. Schultz,T. Schweizer,Shan Sun,Steven N. Shore,A. Sillanpää,Julian Sitarek,I. Snidaric,Dorota Sobczyńska,Felix Spanier,Victor Stamatescu,Victor Stamatescu,Antonio Stamerra,T. Steinbring,B. Steinke,J. Storz,M. Strzys,L. O. Takalo,Hajime Takami,Fabrizio Tavecchio,P. Temnikov,Tomislav Terzić,D. Tescaro,Masahiro Teshima,Julia Thaele,O. Tibolla,Diego F. Torres,T. Toyama,A. Treves,M. Uellenbeck,Patrick Vogler,R. Zanin,S. Archambault,A. Archer,Matthias Beilicke,Wystan Benbow,K. Berger,Ralph Bird,J. Biteau,J. H. Buckley,V. Bugaev,Matteo Cerruti,Xuhui Chen,L. Ciupik,E. Collins-Hughes,Wei Cui,J. D. Eisch,Abraham D. Falcone,Q. Feng,J. P. Finley,P. Fortin,Lucy Fortson,Amy Furniss,N. Galante,G. H. Gillanders,Sinéad M. Griffin,Geza Gyuk,N. Håkansson,Jamie Holder,Calvin A. Johnson,P. Kaaret,P. Kar,M. Kertzman,David Kieda,M. J. Lang,S. McArthur,A. McCann,K. Meagher,J. Millis,P. Moriarty,P. Moriarty,R. A. Ong,A. N. Otte,J. S. Perkins,A. Pichel,Martin Pohl,A. Popkow,H. Prokoph,E. Pueschel,K. Ragan,L. C. Reyes,P. T. Reynolds,Gordon T. Richards,E. Roache,A. C. Rovero,G. H. Sembroski,Karlen Shahinyan,D. Staszak,I. Telezhinsky,J. V. Tucci,J. Tyler,A. Varlotta,S. P. Wakely,R. Welsing,A. Wilhelm,David A. Williams,S. Buson,Justin D. Finke,M. Villata,C. M. Raiteri,Hugh D. Aller,M. F. Aller,A. Cesarini,Wen Ping Chen,Mark Gurwell,Svetlana G. Jorstad,Svetlana G. Jorstad,Givi N. Kimeridze,Ekaterina Koptelova,Ekaterina Koptelova,O. M. Kurtanidze,Sofia O. Kurtanidze,Anne Lähteenmäki,Valeri M. Larionov,Valeri M. Larionov,Valeri M. Larionov,Elena G. Larionova,H. C. Lin,B. McBreen,Joseph Moody,D. A. Morozova,Alan P. Marscher,Walter Max-Moerbeck,M. G. Nikolashvili,M. Perri,A. C. S. Readhead,J. L. Richards,J. A. Ros,A. C. Sadun,T. Sakamoto,Lorand A. Sigua,Paul S. Smith,Merja Tornikoski,Ivan S. Troitsky,Ann E. Wehrle,B. Jordan +259 more
TL;DR: In this paper, the day-scale SEDs with one-zone and two-zone synchrotron self-Compton (SSC) models were investigated, and the observed broadband SED variability can be associated to variations in the relativistic particle population.
Journal ArticleDOI
Dark matter constraints from a joint analysis of dwarf Spheroidal galaxy observations with VERITAS
S. Archambault,A. Archer,Wystan Benbow,Ralph Bird,Etienne Bourbeau,T. Brantseg,M. Buchovecky,J. H. Buckley,V. Bugaev,Karen Byrum,Matteo Cerruti,Jodi Christiansen,M. P. Connolly,Wei Cui,Wei Cui,M. K. Daniel,Q. Feng,J. P. Finley,Henrike Fleischhack,Lucy Fortson,Amy Furniss,Alex Geringer-Sameth,Sinéad M. Griffin,J. Grube,Moritz Hütten,N. Håkansson,D. S. Hanna,Olivier Hervet,Jamie Holder,G. Hughes,B. Hummensky,C. A. Johnson,P. Kaaret,P. Kar,N. Kelley-Hoskins,M. Kertzman,David Kieda,Savvas M. Koushiappas,Marita Krause,F. Krennrich,M. J. Lang,T. T.Y. Lin,S. McArthur,P. Moriarty,R. Mukherjee,Daniel Nieto,S. O'Brien,R. A. Ong,A. N. Otte,N. H. Park,Martin Pohl,A. Popkow,E. Pueschel,John L. Quinn,K. Ragan,P. T. Reynolds,Gordon T. Richards,E. Roache,C. B. Rulten,I. Sadeh,Marcos Santander,G. H. Sembroski,Karlen Shahinyan,A. W. Smith,D. Staszak,I. Telezhinsky,S. Trepanier,J. V. Tucci,J. Tyler,S. P. Wakely,A. Weinstein,P. Wilcox,David A. Williams,B. Zitzer +73 more
TL;DR: In this article, the authors present constraints on the annihilation cross section of weakly interacting massive particles dark matter based on the joint statistical analysis of four dwarf galaxies with VERITAS.
Journal ArticleDOI
Unprecedented study of the broadband emission of Mrk 421 during flaring activity in March 2010
Jelena Aleksić,Stefano Ansoldi,Louis Antonelli,P. Antoranz,Ana Babić,P. Bangale,U. Barres de Almeida,Juan Abel Barrio,J. Becerra González,J. Becerra González,J. Becerra González,W. Bednarek,Elisa Bernardini,B. Biasuzzi,Adrian Biland,Oscar Blanch,A. Boller,S. Bonnefoy,G. Bonnoli,F. Borracci,Thomas Bretz,Thomas Bretz,E. Carmona,Alessandro Carosi,Pierre Colin,E. Colombo,Jose Luis Contreras,Juan Cortina,Stefano Covino,P. Da Vela,Francesco Dazzi,A. De Angelis,G. De Caneva,B. De Lotto,E. de Oña Wilhelmi,C. Delgado Mendez,D. Dominis Prester,Daniela Dorner,Michele Doro,Sabrina Einecke,D. Eisenacher,D. Elsaesser,M. V. Fonseca,Ll. Font,K. Frantzen,C. Fruck,D. Galindo,R. J. García López,Markus Garczarczyk,D. Garrido Terrats,M. Gaug,Nikola Godinovic,A. González Muñoz,S. R. Gozzini,D. Hadasch,Y. Hanabata,M. Hayashida,J. Herrera,D. Hildebrand,J. Hose,Dario Hrupec,G. Hughes,W. Idec,V. Kadenius,Hanna Kellermann,M. L. Knoetig,K. Kodani,Yusuke Konno,J. Krause,Hidetoshi Kubo,J. Kushida,A. La Barbera,Damir Lelas,Natalia Lewandowska,Elina Lindfors,Saverio Lombardi,M. A. Lopez,Ruben Lopez-Coto,Alicia López-Oramas,E. Lorenz,I. Lozano,M. Makariev,K. Mallot,G. Maneva,N. Mankuzhiyil,N. Mankuzhiyil,Karl Mannheim,L. Maraschi,Benito Marcote,Mosè Mariotti,M. I. Martínez,Daniel Mazin,U. Menzel,Jose Miguel Miranda,Razmik Mirzoyan,Abelardo Moralejo,P. Munar-Adrover,D. Nakajima,A. Niedzwiecki,Kari Nilsson,K. Nishijima,Koji Noda,Reiko Orito,A.-K. Overkemping,S. Paiano,M. Palatiello,David Paneque,Riccardo Paoletti,J. M. Paredes,X. Paredes-Fortuny,Massimo Persic,P. G. Prada Moroni,E. Prandini,Ivica Puljak,R. Reinthal,Wolfgang Rhode,Marc Ribó,J. Rico,J. Rodriguez Garcia,S. Rügamer,Takashi Saito,K. Saito,Konstancja Satalecka,V. Scalzotto,V. Scapin,C. Schultz,T. Schweizer,Shan Sun,Steven N. Shore,A. Sillanpaa,Julian Sitarek,I. Snidaric,Dorota Sobczyńska,Felix Spanier,Victor Stamatescu,Antonio Stamerra,T. Steinbring,B. Steinke,J. Storz,M. Strzys,L. Takalo,Hajime Takami,Fabrizio Tavecchio,P. Temnikov,Tomislav Terzić,D. Tescaro,Masahiro Teshima,Julia Thaele,O. Tibolla,Diego F. Torres,T. Toyama,Aldo Treves,M. Uellenbeck,Patrick Vogler,R. Zanin,S. Archambault,A. Archer,Matthias Beilicke,Wystan Benbow,K. Berger,Ralph Bird,J. Biteau,J. H. Buckley,V. Bugaev,Matteo Cerruti,Xiaoming Chen,L. Ciupik,E. Collins-Hughes,Wei Cui,J. D. Eisch,Abraham D. Falcone,Q. Feng,J. P. Finley,P. Fortin,Lucy Fortson,Amy Furniss,N. Galante,G. H. Gillanders,Sinéad M. Griffin,Geza Gyuk,Nils Hakansson,Jamie Holder,Calvin A. Johnson,P. Kaaret,P. Kar,M. Kertzman,David Kieda,M. J. Lang,S. McArthur,A. McCann,K. Meagher,J. Millis,P. Moriarty,P. Moriarty,R. A. Ong,A. N. Otte,J. S. Perkins,J. S. Perkins,A. Pichel,M. Pohl,A. Popkow,H. Prokoph,E. Pueschel,K. Ragan,L. C. Reyes,P. T. Reynolds,Gordon T. Richards,E. Roache,A. C. Rovero,G. H. Sembroski,Karlen Shahinyan,D. Staszak,I. Telezhinsky,J. V. Tucci,J. Tyler,A. Varlotta,S. P. Wakely,R. Welsing,A. Wilhelm,David A. Williams,S. Buson,Justin D. Finke,M. Villata,C. M. Raiteri,Hugh D. Aller,M. F. Aller,A. Cesarini,Wen Ping Chen,Mark Gurwell,Svetlana G. Jorstad,Svetlana G. Jorstad,G. N. Kimeridze,E. Koptelova,E. Koptelova,O. M. Kurtanidze,S. O. Kurtanidze,Anne Lähteenmäki,Valeri M. Larionov,Valeri M. Larionov,Elena G. Larionova,H. C. Lin,B. McBreen,Joseph Moody,D. A. Morozova,Alan P. Marscher,Walter Max-Moerbeck,M. G. Nikolashvili,M. Perri,M. Perri,A. C. S. Readhead,J. L. Richards,J. A. Ros,A. C. Sadun,T. Sakamoto,L. A. Sigua,Paul S. Smith,Merja Tornikoski,Ivan S. Troitsky,Ann E. Wehrle,B. Jordan +259 more
TL;DR: In this paper, the authors modeled the day-scale SED with one-zone and two-zone synchrotron self-Compton (SSC) models, investigated the physical parameters, and evaluated whether the observed broadband SED variability can be associated with variations in the relativistic particle population.
Journal ArticleDOI
The 2009 multiwavelength campaign on Mrk 421: variability and correlation studies
Jelena Aleksić,Stefano Ansoldi,Louis Antonelli,P. Antoranz,Ana Babić,P. Bangale,U. Barres de Almeida,Juan Abel Barrio,J. Becerra González,W. Bednarek,Kenneth I. Berger,Elisa Bernardini,Adrian Biland,Oscar Blanch,Ralph Bock,S. Bonnefoy,G. Bonnoli,F. Borracci,Thomas Bretz,E. Carmona,Alessandro Carosi,D. Carreto Fidalgo,Pierre Colin,E. Colombo,Jose Luis Contreras,Juan Cortina,Stefano Covino,P. Da Vela,Francesco Dazzi,A. De Angelis,G. De Caneva,B. De Lotto,C. Delgado Mendez,M. Doert,Aaron Dominguez,D. Dominis Prester,Daniela Dorner,Michele Doro,Sabrina Einecke,D. Eisenacher,D. Elsaesser,Emanuele Paolo Farina,D. Ferenc,M. V. Fonseca,Ll. Font,K. Frantzen,Christian Fruck,R. J. García López,Markus Garczarczyk,D. Garrido Terrats,M. Gaug,Gianluca Giavitto,Nikola Godinovic,A. González Muñoz,S. R. Gozzini,A. Hadamek,D. Hadasch,A. Herrero,D. Hildebrand,J. Hose,Dario Hrupec,W. Idec,V. Kadenius,Hanna Kellermann,M. L. Knoetig,J. Krause,J. Kushida,A. La Barbera,Damir Lelas,Natalia Lewandowska,Elina Lindfors,Francesco Longo,Saverio Lombardi,M. A. Lopez,Ruben Lopez-Coto,Alicia López-Oramas,E. Lorenz,I. Lozano,M. Makariev,K. Mallot,G. Maneva,Nijil Mankuzhiyil,Karl Mannheim,L. Maraschi,Benito Marcote,Mosè Mariotti,M. I. Martínez,Daniel Mazin,U. Menzel,Mario Meucci,Jose Miguel Miranda,Razmik Mirzoyan,Abelardo Moralejo,P. Munar-Adrover,D. Nakajima,A. Niedzwiecki,Kari Nilsson,N. Nowak,Reiko Orito,A.-K. Overkemping,S. Paiano,M. Palatiello,David Paneque,Riccardo Paoletti,J. M. Paredes,X. Paredes-Fortuny,S. Partini,Massimo Persic,Francisco Prada,P. G. Prada Moroni,E. Prandini,Silvia Preziuso,Ivica Puljak,R. Reinthal,Wolfgang Rhode,Marc Ribó,J. Rico,J. Rodriguezgarcia,S. Rügamer,A. Saggion,K. Saito,M. Salvati,Konstancja Satalecka,V. Scalzotto,V. Scapin,C. Schultz,T. Schweizer,S. N. Shore,A. Sillanpää,Julian Sitarek,I. Snidaric,Dorota Sobczyńska,Felix Spanier,Victor Stamatescu,Antonio Stamerra,T. Steinbring,J. Storz,S. Sun,T. Surić,L. O. Takalo,Fabrizio Tavecchio,P. Temnikov,Tomislav Terzić,D. Tescaro,Masahiro Teshima,Julia Thaele,O. Tibolla,Diego F. Torres,T. Toyama,Aldo Treves,M. Uellenbeck,Patrick Vogler,Robert Wagner,Fabio Zandanel,R. Zanin,S. Archambault,B. Behera,Matthias Beilicke,Wystan Benbow,Ralph Bird,J. H. Buckley,V. Bugaev,Matteo Cerruti,Xuhui Chen,L. Ciupik,E. Collins-Hughes,Wei Cui,J. Dumm,J. D. Eisch,Abraham D. Falcone,S. Federici,Q. Feng,J. P. Finley,Henrike Fleischhack,P. Fortin,Lucy Fortson,Amy Furniss,Sinéad M. Griffin,S. T. Griffiths,J. Grube,Geza Gyuk,D. S. Hanna,Jamie Holder,G. Hughes,T. B. Humensky,C. A. Johnson,P. Kaaret,M. Kertzman,Y. Khassen,David Kieda,Henric Krawczynski,F. Krennrich,S. Kumar,M. J. Lang,Gernot Maier,S. McArthur,K. Meagher,P. Moriarty,Reshmi Mukherjee,R. A. Ong,A. N. Otte,N. H. Park,A. Pichel,Martin Pohl,A. Popkow,H. Prokoph,John L. Quinn,K. Ragan,Jean-Francois Rajotte,P. T. Reynolds,Gordon T. Richards,E. Roache,A. C. Rovero,G. H. Sembroski,Karlen Shahinyan,D. Staszak,I. Telezhinsky,M. Theiling,J. V. Tucci,J. Tyler,A. Varlotta,S. P. Wakely,T. C. Weekes,A. Weinstein,R. Welsing,A. Wilhelm,David A. Williams,B. Zitzer,M. Villata,C. M. Raiteri,Hugh D. Aller,M. F. Aller,Wen Ping Chen,B. Jordan,E. Koptelova,O. M. Kurtanidze,Anne Lähteenmäki,B. McBreen,Valeri M. Larionov,C. S. Lin,M. G. Nikolashvili,Emmanouil Angelakis,M. Capalbi,A. Carraminana,L. Carrasco,P. Cassaro,A. Cesarini,Lars Fuhrmann,Marcello Giroletti,Talvikki Hovatta,Thomas P. Krichbaum,Hans A. Krimm,Walter Max-Moerbeck,Joseph Moody,Giuseppe Maccaferri,Y. Mori,I. Nestoras,Andrea Orlati,Cameron Pace,R. Pearson,M. Perri,M. Perri,Anthony C. S. Readhead,J. L. Richards,A. C. Sadun,T. Sakamoto,Joni Tammi,Merja Tornikoski,Y. Yatsu,A. C. Zook +269 more
TL;DR: In this article, a 4.5-month multi-instrument campaign was conducted on the broadband emission of the blazars of the Crab Nebula (Mrk 421) during the non-flaring (low) state.
Journal ArticleDOI
Multiwavelength Study Of Quiescent States Of Mrk 421 With Unprecedented Hard X-Ray Coverage Provided By Nustar In 2013
Mislav Baloković,David Paneque,Grzegorz Madejski,Amy Furniss,James Chiang,Marco Ajello,David M. Alexander,Didier Barret,Didier Barret,Roger Blandford,S. E. Boggs,Finn Erland Christensen,Walter Craig,Walter Craig,K. Forster,Paolo Giommi,Brian W. Grefenstette,C. J. Hailey,Fiona A. Harrison,Allan Hornstrup,Takao Kitaguchi,Jason E. Koglin,K. K. Madsen,Peter H. Mao,Hiromasa Miyasaka,Kaya Mori,M. Perri,Michael J. Pivovaroff,Simonetta Puccetti,Vikram Rana,D. Stern,Gianpiero Tagliaferri,C. M. Urry,Niels Jørgen Stenfeldt Westergaard,W. W. Zhang,Andreas Zoglauer,S. Archambault,A. Archer,Anna Barnacka,Wystan Benbow,Ralph Bird,J. H. Buckley,V. Bugaev,Matteo Cerruti,Xuhui Chen,L. Ciupik,M. P. Connolly,Wei Cui,Hugh Dickinson,J. Dumm,J. D. Eisch,Abraham D. Falcone,Q. Feng,J. P. Finley,Henrike Fleischhack,Lucy Fortson,Sinéad M. Griffin,S. T. Griffiths,J. Grube,Geza Gyuk,M. Huetten,N. Håkansson,Jamie Holder,T. B. Humensky,C. A. Johnson,P. Kaaret,M. Kertzman,Y. Khassen,David Kieda,Michael Krause,F. Krennrich,M. J. Lang,Gernot Maier,S. McArthur,K. Meagher,P. Moriarty,T. J. N. Nelson,Daniel Nieto,R. A. Ong,N. H. Park,Martin Pohl,A. Popkow,E. Pueschel,P. T. Reynolds,Gordon T. Richards,E. Roache,Marcos Santander,G. H. Sembroski,Karlen Shahinyan,A. W. Smith,A. W. Smith,D. Staszak,I. Telezhinsky,N. W. Todd,J. V. Tucci,J. Tyler,S. Vincent,A. Weinstein,A. Wilhelm,David A. Williams,B. Zitzer,Max Ludwig Ahnen,Stefano Ansoldi,Louis Antonelli,P. Antoranz,Ana Babić,B. Banerjee,P. Bangale,U. Barres de Almeida,Juan Abel Barrio,J. Becerra González,W. Bednarek,Elisa Bernardini,B. Biasuzzi,Adrian Biland,Oscar Blanch,S. Bonnefoy,G. Bonnoli,F. Borracci,Thomas Bretz,Thomas Bretz,E. Carmona,Alessandro Carosi,Arka Chatterjee,R. Clavero,R. Clavero,Pierre Colin,E. Colombo,E. Colombo,Jose Luis Contreras,Juan Cortina,Stefano Covino,P. Da Vela,Francesco Dazzi,A. De Angelis,B. De Lotto,E. de Oña Wilhelmi,C. Delgado Mendez,F. Di Pierro,D. Dominis Prester,Daniela Dorner,Michele Doro,Michele Doro,Sabrina Einecke,D. Elsaesser,A. Fernández-Barral,D. Fidalgo,M. V. Fonseca,Ll. Font,K. Frantzen,Christian Fruck,D. Galindo,R. J. García López,R. J. García López,Markus Garczarczyk,D. Garrido Terrats,M. Gaug,P. Giammaria,D. Glawion,Nikola Godinovic,A. González Muñoz,D. Guberman,Alexander Hahn,Y. Hanabata,M. Hayashida,Jose Romero Herrera,Jose Romero Herrera,J. Hose,Dario Hrupec,Gareth Hughes,W. Idec,K. Kodani,Yusuke Konno,Hidetoshi Kubo,J. Kushida,A. La Barbera,Damir Lelas,Elina Lindfors,Saverio Lombardi,Francesco Longo,M. A. Lopez,Ruben Lopez-Coto,A. López-Oramas,E. Lorenz,Pratik Majumdar,M. Makariev,K. Mallot,G. Maneva,Marina Manganaro,Marina Manganaro,Karl Mannheim,L. Maraschi,Benito Marcote,Mosè Mariotti,M. Martinez,Daniel Mazin,Daniel Mazin,U. Menzel,Jose Miguel Miranda,R. Mirzoyan,Abelardo Moralejo,E. Moretti,D. Nakajima,Vitaly Neustroev,A. Niedzwiecki,M. Nievas Rosillo,Karen Kristina Nilsson,Kazuyoshi Nishijima,Koji Noda,Reiko Orito,A.-K. Overkemping,S. Paiano,J. Palacio,M. Palatiello,Riccardo Paoletti,J. M. Paredes,X. Paredes-Fortuny,Massimo Persic,Juri Poutanen,P. G. Prada Moroni,E. Prandini,E. Prandini,Ivica Puljak,Wolfgang Rhode,Marc Ribó,J. Rico,J. Rodriguez Garcia,Takashi Saito,Konstancja Satalecka,V. Scapin,Casper Siebken Schultz,T. Schweizer,S. N. Shore,A. Sillanpää,Julian Sitarek,I. Snidaric,Dorota Sobczyńska,Antonio Stamerra,T. Steinbring,Marcel Strzys,L. O. Takalo,H. Takami,Fabrizio Tavecchio,P. Temnikov,Tomislav Terzić,D. Tescaro,D. Tescaro,Masahiro Teshima,Masahiro Teshima,Julia Thaele,Diego F. Torres,T. Toyama,Aldo Treves,V. Verguilov,Ievgen Vovk,J. E. Ward,M. Will,M. Will,M. H. Wu,R. Zanin,J. S. Perkins,F. Verrecchia,C. Leto,Markus Böttcher,M. Villata,C. M. Raiteri,J. A. Acosta-Pulido,J. A. Acosta-Pulido,Rumen Bachev,Andrei Berdyugin,Dmitry A. Blinov,Dmitry A. Blinov,M. I. Carnerero,M. I. Carnerero,Wen Ping Chen,P. Chinchilla,P. Chinchilla,Goran Damljanović,Chakali Eswaraiah,T. S. Grishina,Sunay Ibryamov,B. Jordan,Svetlana G. Jorstad,Svetlana G. Jorstad,Manasvita Joshi,E. N. Kopatskaya,O. M. Kurtanidze,O. M. Kurtanidze,O. M. Kurtanidze,S. O. Kurtanidze,Elena G. Larionova,L. V. Larionova,Valeri M. Larionov,Georgi Latev,H. C. Lin,Alan P. Marscher,A. A. Mokrushina,D. A. Morozova,M. G. Nikolashvili,Evgeni Semkov,Paul S. Smith,A. Strigachev,Yu. V. Troitskaya,Ivan S. Troitsky,O. Vince,J. Barnes,Tolga Guver,Joseph Moody,A. C. Sadun,S. Sun,Talvikki Hovatta,Talvikki Hovatta,J. L. Richards,Walter Max-Moerbeck,A. C. R. Readhead,Anne Lähteenmäki,Merja Tornikoski,Joni Tammi,V. Ramakrishnan,R. Reinthal,Emmanouil Angelakis,Lars Fuhrmann,Ioannis Myserlis,Vassilis Karamanavis,A. Sievers,H. Ungerechts,J. A. Zensus +326 more
TL;DR: In this paper, the authors present coordinated multiwavelength observations of the bright, nearby BL Lacertae object Mrk 421 taken in 2013 January-March, involving GASP-WEBT, Swift, NuSTAR, Fermi-LAT, MAGIC, VERITAS, and other collaborations and instruments, providing data from radio to very high energy (VHE) γ-ray bands.