H
Hanna Kellermann
Researcher at Max Planck Society
Publications - 60
Citations - 3589
Hanna Kellermann is an academic researcher from Max Planck Society. The author has contributed to research in topics: MAGIC (telescope) & Spectral energy distribution. The author has an hindex of 32, co-authored 59 publications receiving 3204 citations.
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Journal ArticleDOI
The major upgrade of the MAGIC telescopes, Part II: A performance study using observations of the Crab Nebula
Jelena Aleksić,Stefano Ansoldi,Louis Antonelli,P. Antoranz,Ana Babić,P. Bangale,M. Barcelo,Juan Abel Barrio,J. Becerra González,W. Bednarek,Elisa Bernardini,B. Biasuzzi,Adrian Biland,M. Bitossi,Oscar Blanch,S. Bonnefoy,G. Bonnoli,F. Borracci,Thomas Bretz,E. Carmona,Alessandro Carosi,Roberto Cecchi,Pierre Colin,E. Colombo,Jose Luis Contreras,D. Corti,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,A. Dettlaff,D. Dominis Prester,Daniela Dorner,Michele Doro,Sabrina Einecke,D. Eisenacher,D. Elsaesser,D. Fidalgo,David Fink,M. V. Fonseca,Ll. Font,K. Frantzen,Christian Fruck,D. Galindo,R. J. García López,Markus Garczarczyk,D. Garrido Terrats,Markus Gaug,Gianluca Giavitto,Nikola Godinovic,A. González Muñoz,S. R. Gozzini,W. Haberer,Daniela Hadasch,Y. Hanabata,M. Hayashida,J. Herrera,D. Hildebrand,J. Hose,Dario Hrupec,W. Idec,J. M. Illa,V. Kadenius,Hanna Kellermann,M. L. Knoetig,K. Kodani,Yusuke Konno,J. Krause,Hidetoshi Kubo,J. Kushida,A. La Barbera,Damir Lelas,Jose Luis Lemus,Natalia Lewandowska,Elina Lindfors,Saverio Lombardi,Francesco Longo,M. López,Ruben Lopez-Coto,Alicia López-Oramas,A. Lorca,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,Jose Miguel Miranda,R. Mirzoyan,Abelardo Moralejo,P. Munar-Adrover,D. Nakajima,M. Negrello,Vitaly Neustroev,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,Juri Poutanen,P. G. Prada Moroni,Elisa Prandini,I. 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,J. Schlammer,S. Schmidl,T. Schweizer,S. N. Shore,A. Sillanpää,Julian Sitarek,I. Snidaric,Dorota Sobczyńska,Felix Spanier,Antonio Stamerra,T. Steinbring,J. Storz,Marcel Strzys,L. O. Takalo,Hajime Takami,Fabrizio Tavecchio,Luis Ángel Tejedor,Petar Temnikov,Tomislav Terzić,D. Tescaro,Masahiro Teshima,Julia Thaele,O. Tibolla,Diego F. Torres,T. Toyama,A. Treves,Patrick Vogler,H. Wetteskind,M. Will,R. Zanin +164 more
TL;DR: In this paper, the MAGIC-I camera and its trigger system were replaced with a new one for low and medium zenith angles to assess the key performance parameters of MAGIC stereo system for point-like sources with Crab Nebula-like spectrum.
Journal ArticleDOI
Performance of the MAGIC stereo system obtained with Crab Nebula data
Jelena Aleksić,E. A. Alvarez,Louis Antonelli,P. Antoranz,M. Asensio,Michael Backes,Juan Abel Barrio,Denis Bastieri,J. Becerra González,J. Becerra González,W. Bednarek,Andrei Berdyugin,K. Berger,K. Berger,Elisa Bernardini,Adrian Biland,Oscar Blanch,Ralph Bock,A. Boller,G. Bonnoli,D. Borla Tridon,Ilana M. Braun,Thomas Bretz,A. Cañellas,E. Carmona,Alessandro Carosi,Pierre Colin,E. Colombo,Jose Luis Contreras,Juan Cortina,L. Cossio,Stefano Covino,Francesco Dazzi,A. De Angelis,G. De Caneva,E. De Cea del Pozo,B. De Lotto,C. Delgado Mendez,A. Diago Ortega,A. Diago Ortega,M. Doert,A. Domi´nguez,D. Dominis Prester,Daniela Dorner,Michele Doro,D. Elsaesser,Daniel Ferenc,M. V. Fonseca,Ll. Font,Christian Fruck,R. J. García López,R. J. García López,Markus Garczarczyk,D. Garrido,Gianluca Giavitto,Nikola Godinovic,Daniela Hadasch,D. Häfner,Artemio Herrero,Artemio Herrero,D. Hildebrand,D. Höhne-Mönch,J. Hose,Dario Hrupec,B. Huber,T. Jogler,Hanna Kellermann,S. Klepser,T. Krähenbühl,J. Krause,A. La Barbera,Damir Lelas,E. Leonardo,Elina Lindfors,Saverio Lombardi,M. López,A. López-Oramas,E. Lorenz,E. Lorenz,M. Makariev,G. Maneva,Nijil Mankuzhiyil,Karl Mannheim,L. Maraschi,Mosè Mariotti,M. Martı´nez,Daniel Mazin,Daniel Mazin,Mario Meucci,Jose Miguel Miranda,R. Mirzoyan,Hiroko Miyamoto,J. Moldón,Abelardo Moralejo,P. Munar-Adrover,Daniel Nieto,Kari Nilsson,Reiko Orito,Igor Oya,David Paneque,Riccardo Paoletti,Silvia Pardo,J. M. Paredes,S. Partini,M. Pasanen,Felicitas Pauss,M. A. Perez-Torres,Massimo Persic,Massimo Persic,L. Peruzzo,M. Pilia,J. Pochon,Francisco Prada,P. G. Prada Moroni,Elisa Prandini,I. Puljak,Ignasi Reichardt,R. Reinthal,Wolfgang Rhode,Marc Ribó,J. Rico,J. Rico,S. Rügamer,A. Saggion,K. Saito,Takashi Saito,M. Salvati,Konstancja Satalecka,V. Scalzotto,V. Scapin,C. Schultz,T. Schweizer,M. Shayduk,S. N. Shore,A. Sillanpää,Julian Sitarek,I. Snidaric,Dorota Sobczyńska,Felix Spanier,S. Spiro,Victor Stamatescu,Antonio Stamerra,B. Steinke,J. Storz,N. Strah,Tihomir Surić,L. O. Takalo,Hajime Takami,Fabrizio Tavecchio,Petar Temnikov,Tomislav Terzić,D. Tescaro,Masahiro Teshima,O. Tibolla,Diego F. Torres,Diego F. Torres,Aldo Treves,M. Uellenbeck,H. Vankov,Patrick Vogler,Robert Wagner,Q. Weitzel,Victor Zabalza,Fabio Zandanel,R. Zanin +164 more
TL;DR: MAGIC as discussed by the authors is a system of two Imaging Atmospheric Cherenkov Telescopes located in the Canary island of La Palma, which has been working together in stereoscopic mode, providing a significant improvement with respect to the previous single-telescope observations.
Journal ArticleDOI
The major upgrade of the MAGIC telescopes, Part I: The hardware improvements and the commissioning of the system
Jelena Aleksić,Stefano Ansoldi,Louis Antonelli,P. Antoranz,Ana Babić,P. Bangale,M. Barcelo,Juan Abel Barrio,J. Becerra González,J. Becerra González,J. Becerra González,W. Bednarek,Elisa Bernardini,B. Biasuzzi,Adrian Biland,M. Bitossi,Oscar Blanch,S. Bonnefoy,G. Bonnoli,F. Borracci,Thomas Bretz,Thomas Bretz,E. Carmona,Alessandro Carosi,Roberto Cecchi,Pierre Colin,E. Colombo,Jose Luis Contreras,D. Corti,Juan Cortina,Stefano Covino,P. Da Vela,Francesco Dazzi,A. Deangelis,G. De Caneva,B. De Lotto,E. de Oña Wilhelmi,C. Delgado Mendez,A. Dettlaff,D. Dominis Prester,Daniela Dorner,Michele Doro,Sabrina Einecke,D. Eisenacher,D. Elsaesser,D. Fidalgo,David Fink,M. V. Fonseca,Ll. Font,K. Frantzen,Christian Fruck,D. Galindo,R. J. García López,Markus Garczarczyk,D. Garrido Terrats,M. Gaug,Gianluca Giavitto,Nikola Godinovic,A. González Muñoz,S. R. Gozzini,W. Haberer,Daniela Hadasch,Y. Hanabata,M. Hayashida,J. Herrera,D. Hildebrand,J. Hose,Dario Hrupec,W. Idec,J. M. Illa,V. Kadenius,Hanna Kellermann,M. L. Knoetig,K. Kodani,Yusuke Konno,J. Krause,Hidetoshi Kubo,Junko Kushida,A. La Barbera,Damir Lelas,Jose Luis Lemus,Natalia Lewandowska,Elina Lindfors,Saverio Lombardi,Francesco Longo,M. A. Lopez,Ruben Lopez-Coto,Alicia López-Oramas,A. Lorca,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,Daniel Mazin,U. Menzel,Jose Miguel Miranda,R. Mirzoyan,Abelardo Moralejo,P. Munar-Adrover,D. Nakajima,M. Negrello,Vitaly Neustroev,A. Niedzwiecki,Kari Nilsson,Kyoshi 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,Juri Poutanen,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,J. Schlammer,S. Schmidl,T. Schweizer,A. Sillanpää,Julian Sitarek,I. Snidaric,Dorota Sobczyńska,Felix Spanier,Antonio Stamerra,T. Steinbring,J. Storz,Marcel Strzys,L. O. Takalo,H. Takami,Fabrizio Tavecchio,Luis Ángel Tejedor,P. Temnikov,Tomislav Terzić,D. Tescaro,Masahiro Teshima,Julia Thaele,O. Tibolla,Diego F. Torres,T. Toyama,A. Treves,Patrick Vogler,H. Wetteskind,M. Will,R. Zanin +169 more
TL;DR: The MAGIC telescopes as mentioned in this paper are two Imaging Atmospheric Cherenkov Telescopes (IACTs) located on the Canary island of La Palma, Spain, which are designed to measure Cherennikov light from air showers initiated by gamma rays in the energy regime from around 50GeV to more than 50TeV.
Journal ArticleDOI
Black hole lightning due to particle acceleration at subhorizon scales
Jelena Aleksić,Stefano Ansoldi,Louis Antonelli,P. Antoranz,Ana Babić,P. Bangale,Juan Abel Barrio,J. Becerra González,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,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,Christian Fruck,D. Galindo,R. J. García López,Markus Garczarczyk,D. Garrido Terrats,M. Gaug,Nikola Godinovic,A. González Muñoz,S. R. Gozzini,Daniela Hadasch,Y. Hanabata,M. Hayashida,J. Herrera,D. Hildebrand,J. Hose,Dario Hrupec,W. Idec,V. Kadenius,Hanna Kellermann,K. Kodani,Yusuke Konno,J. Krause,Hidetoshi Kubo,J. Kushida,A. La Barbera,Damir Lelas,Natalia Lewandowska,Elina Lindfors,Saverio Lombardi,Francesco Longo,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,Miriam Lucio Martinez,Daniel Mazin,U. Menzel,Jose Miguel Miranda,R. Mirzoyan,Abelardo Moralejo,P. Munar-Adrover,D. Nakajima,A. Niedzwiecki,Kari Nilsson,K. Nishijima,Koji Noda,Reiko Orito,A.-K. Overkemping,S. Paiano,Michele Palatiello,David Paneque,Riccardo Paoletti,J. M. Paredes,X. Paredes-Fortuny,Massimo Persic,Juri Poutanen,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,S. N. Shore,A. Sillanpää,Julian Sitarek,I. Snidaric,Dorota Sobczyńska,Felix Spanier,Victor Stamatescu,Antonio Stamerra,T. Steinbring,J. Storz,Marcel Strzys,L. O. Takalo,Hajime Takami,Fabrizio Tavecchio,P. Temnikov,Tomislav Terzić,D. Tescaro,Masahiro Teshima,Masahiro Teshima,Julia Thaele,O. Tibolla,Diego F. Torres,T. Toyama,A. Treves,M. Uellenbeck,Patrick Vogler,R. Zanin,Matthias Kadler,R. Schulz,R. Schulz,Eduardo Ros,Eduardo Ros,U. Bach,Felicia Krauß,Felicia Krauß,Jörn Wilms +159 more
TL;DR: Gamma rays from the active galaxy IC 310 varied faster than the time required for light to cross the event horizon of the supermassive black hole at its nucleus, adding a piece to the puzzle of how jets form at supermassiveblack holes.
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.