L
Luigi Costamante
Researcher at Max Planck Society
Publications - 109
Citations - 14002
Luigi Costamante is an academic researcher from Max Planck Society. The author has contributed to research in topics: Blazar & High Energy Stereoscopic System. The author has an hindex of 56, co-authored 105 publications receiving 13434 citations. Previous affiliations of Luigi Costamante include Centre national de la recherche scientifique.
Papers
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Journal ArticleDOI
An Exceptional Very High Energy Gamma-Ray Flare of PKS 2155-304
Felix Aharonian,A. G. Akhperjanian,A. R. Bazer-Bachi,M. Beilicke,Wystan Benbow,David Berge,Konrad Bernlöhr,Catherine Boisson,O. Bolz,V. Borrel,Ilana M. Braun,E. Brion,A. M. Brown,Rolf Bühler,I. Büsching,Timothé Boutelier,Svenja Carrigan,P. M. Chadwick,L.-M. Chounet,G. Coignet,R. Cornils,Luigi Costamante,B. Degrange,Hugh Dickinson,A. Djannati-Ataï,L. O'Connor-Drury,Guillaume Dubus,Kathrin Egberts,Dimitrios Emmanoulopoulos,P. Espigat,C. Farnier,F. Feinstein,E. Ferrero,A. Fiasson,G. Fontaine,Seb. Funk,M. Fuling,Y. A. Gallant,B. Giebels,J.F. Glicenstein,B. Glück,P. Goret,C. Hadjichristidis,D. Hauser,M. Hauser,G. Heinzelmann,Gilles Henri,German Hermann,Jim Hinton,A. Hoffmann,Werner Hofmann,M. Holleran,S. Hoppe,Dieter Horns,A. Jacholkowska,O. C. de Jager,Eckhard Kendziorra,M. Kerschhaggl,B. Khélifi,Nu. Komin,K. Kosack,G. Lamanna,I. J. Latham,R. Le Gallou,Anne Lemiere,M. Lemoine-Goumard,Thomas Lohse,Jean Michel Martin,Olivier Martineau-Huynh,A. Marcowith,Conor Masterson,Gilles Maurin,T. J. L. McComb,Emmanuel Moulin,M. de Naurois,D. Nedbal,S. J. Nolan,A. Noutsos,J.-P. Olive,K. J. Orford,J. L. Osborne,M. Panter,Guy Pelletier,P.-O. Petrucci,S. Pita,G. Pühlhofer,Michael Punch,S. Ranchon,B. C. Raubenheimer,M. Raue,S. M. Rayner,A. Reimer,Olaf Reimer,J. Ripken,L. Rob,L. Rolland,S. Rosier-Lees,Gavin Rowell,V. Sahakian,Andrea Santangelo,L. Saugé,S. Schlenker,Reinhard Schlickeiser,R. Schröder,U. Schwanke,S. Schwarzburg,S. Schwemmer,A. Shalchi,Helene Sol,D. Spangler,Felix Spanier,R. Steenkamp,C. Stegmann,G. Superina,P. H. Tam,J. P. Tavernet,Regis Terrier,M. Tluczykont,C. van Eldik,G. Vasileiadis,Christo Venter,J. P. Vialle,P. Vincent,Heinrich J. Völk,Stefan Wagner,Martin Ward +125 more
TL;DR: In this paper, the average flux observed during an extreme gamma-ray outburst is I(>200 GeV) = (1.72$\pm$$0.05_{\rm stat}
Journal ArticleDOI
The Spectral Energy Distribution of Fermi bright blazars
A. A. Abdo,Markus Ackermann,Marco Ajello,Magnus Axelsson,Luca Baldini,Jean Ballet,Guido Barbiellini,Denis Bastieri,B. M. Baughman,Keith Bechtol,Ronaldo Bellazzini,B. Berenji,Roger Blandford,E. D. Bloom,Emanuele Bonamente,A. W. Borgland,Johan Bregeon,A. Brez,M. Brigida,P. Bruel,T. H. Burnett,S. Buson,G. A. Caliandro,R. A. Cameron,P. A. Caraveo,J. M. Casandjian,E. Cavazzuti,C. Cecchi,Omer Celik,E. Charles,Sylvain Chaty,A. Chekhtman,James Chiang,Stefano Ciprini,R. Claus,Johann Cohen-Tanugi,S. Colafrancesco,L. R. Cominsky,Jan Conrad,Luigi Costamante,S. Cutini,Charles D. Dermer,A. De Angelis,F. de Palma,Seth Digel,E. Do Couto E Silva,Persis S. Drell,R. Dubois,D. Dumora,C. Farnier,C. Favuzzi,S. J. Fegan,W. B. Focke,P. Fortin,Marco Frailis,Lars Fuhrmann,Yasushi Fukazawa,Stefan Funk,P. Fusco,F. Gargano,Dario Gasparrini,Neil Gehrels,S. Germani,B. Giebels,N. Giglietto,Paolo Giommi,F. Giordano,T. Glanzman,G. Godfrey,I. A. Grenier,J. E. Grove,L. Guillemot,Sylvain Guiriec,D. Hadasch,Y. Hanabata,Alice K. Harding,M. Hayashida,E. Hays,S. E. Healey,D. Horan,R. E. Hughes,R. Itoh,M. Jackson,Gudlaugur Johannesson,A. S. Johnson,W. N. Johnson,Matthias Kadler,T. Kamae,Hideaki Katagiri,Jun Kataoka,Nobuyuki Kawai,Matthew Kerr,Jürgen Knödlseder,M. L. Kocian,M. Kuss,J. Lande,Luca Latronico,Francesco Longo,F. Loparco,B. Lott,M. N. Lovellette,P. Lubrano,G. M. Madejski,A. Makeev,Walter Max-Moerbeck,M. N. Mazziotta,W. McConville,Julie McEnery,C. Meurer,Peter F. Michelson +109 more
TL;DR: In this article, the broad-band spectral properties of the gamma-ray selected blazars of the Fermi LAT Bright AGN Sample (LBAS) were investigated.
Journal ArticleDOI
Observations of the Crab nebula with HESS
Felix Aharonian,A. G. Akhperjanian,A. R. Bazer-Bachi,M. Beilicke,Wystan Benbow,David Berge,Konrad Bernlöhr,Catherine Boisson,O. Bolz,V. Borrel,Ilana M. Braun,F. Breitling,A. M. Brown,Rolf Bühler,I. Büsching,Svenja Carrigan,P. M. Chadwick,L.-M. Chounet,R. Cornils,Luigi Costamante,B. Degrange,Hugh Dickinson,A. Djannati-Ataï,L. O'c. Drury,Guillaume Dubus,Kathrin Egberts,Dimitrios Emmanoulopoulos,P. Espigat,F. Feinstein,E. Ferrero,A. Fiasson,G. Fontaine,Seb. Funk,Stefan Funk,Y. A. Gallant,B. Giebels,J.F. Glicenstein,P. Goret,C. Hadjichristidis,D. Hauser,M. Hauser,G. Heinzelmann,Gilles Henri,German Hermann,Jim Hinton,Werner Hofmann,M. Holleran,Dieter Horns,A. Jacholkowska,O. C. de Jager,B. Khélifi,Nu. Komin,A. Konopelko,Karl Kosack,I. J. Latham,R. Le Gallou,Anne Lemiere,M. Lemoine-Goumard,Thomas Lohse,Jean Michel Martin,Olivier Martineau-Huynh,A. Marcowith,Conor Masterson,T. J. L. McComb,M. de Naurois,D. Nedbal,S. J. Nolan,A. Noutsos,K. J. Orford,J. L. Osborne,M. Ouchrif,M. Panter,G. Pelletier,S. Pita,G. Pühlhofer,Michael Punch,B. C. Raubenheimer,M. Raue,S. M. Rayner,A. Reimer,Olaf Reimer,J. Ripken,L. Rob,L. Rolland,Gavin Rowell,V. Sahakian,L. Saugé,S. Schlenker,Reinhard Schlickeiser,U. Schwanke,Helene Sol,D. Spangler,Felix Spanier,R. Steenkamp,C. Stegmann,G. Superina,J.-P. Tavernet,Regis Terrier,C. G. Théoret,M. Tluczykont,C. van Eldik,G. Vasileiadis,Christo Venter,P. Vincent,Heinrich J. Völk,S. J. Wagnern,Martin Ward +106 more
TL;DR: In this paper, the Crab nebula was observed with the H.E.S. stereoscopic Cherenkov-telescope array between 2003 and 2005 for a total of 22.9 hours (after data quality selection).
Journal ArticleDOI
Energy Spectrum of Cosmic-Ray Electrons at TeV Energies
Felix Aharonian,A. G. Akhperjanian,U. Barres de Almeida,A. R. Bazer-Bachi,Yvonne Becherini,B. Behera,Wystan Benbow,Konrad Bernlöhr,Catherine Boisson,A. Bochow,V. Borrel,Ilana M. Braun,E. Brion,J. Brucker,Pierre Brun,Rolf Bühler,Tomasz Bulik,I. Büsching,Timothé Boutelier,Svenja Carrigan,P. M. Chadwick,A. Charbonnier,R. C. G. Chaves,A. Cheesebrough,L.-M. Chounet,A. C. Clapson,G. Coignet,Luigi Costamante,M. Dalton,B. Degrange,Christoph Deil,Hugh Dickinson,A. Djannati-Ataï,W. Domainko,Luke O'c. Drury,Franky Dubois,Guillaume Dubus,J. Dyks,M. Dyrda,Kathrin Egberts,Dimitrios Emmanoulopoulos,P. Espigat,C. Farnier,F. Feinstein,A. Fiasson,A. Förster,G. Fontaine,M. Fussling,Stefano Gabici,Y. A. Gallant,L. Gérard,B. Giebels,J.F. Glicenstein,B. Glück,P. Goret,C. Hadjichristidis,D. Hauser,M. Hauser,S. Heinz,G. Heinzelmann,Gilles Henri,German Hermann,Jim Hinton,A. Hoffmann,Werner Hofmann,M. Holleran,S. Hoppe,Dieter Horns,A. Jacholkowska,O. C. de Jager,I. Jung,K. Katarzyński,Sarah Kaufmann,Eckhard Kendziorra,M. Kerschhaggl,Dmitry Khangulyan,B. Khélifi,D. Keogh,Nu. Komin,K. Kosack,G. Lamanna,J.-P. Lenain,Thomas Lohse,V. Marandon,Jean Michel Martin,Olivier Martineau-Huynh,A. Marcowith,David Maurin,T. J. L. McComb,C. Medina,Rafał Moderski,Emmanuel Moulin,M. Naumann-Godo,M. de Naurois,D. Nedbal,D. Nekrassov,Jacek Niemiec,S. J. Nolan,Stefan Ohm,J-F. Olive,E. D. Wilhelmi,K. J. Orford,J. L. Osborne,Michał Ostrowski,M. Panter,G. Pedaletti,G. Pelletier,P.-O. Petrucci,S. Pita,G. Pühlhofer,Michael Punch,Andreas Quirrenbach,B. C. Raubenheimer,M. Raue,S. M. Rayner,Matthieu Renaud,Frank M. Rieger,J. Ripken,L. Rob,S. Rosier-Lees,Gavin Rowell,B. Rudak,Cameron B Rulten,J. Ruppel,V. Sahakian,Andrea Santangelo,Reinhard Schlickeiser,F. M. Schöck,R. Schröder,U. Schwanke,S. Schwarzburg,S. Schwemmer,A. Shalchi,J. L. Skilton,Helene Sol,D. Spangler,L. Stawarz,R. Steenkamp,C. Stegmann,G. Superina,P. H. Tam,J. P. Tavernet,Regis Terrier,O. Tibolla,C. van Eldik,G. Vasileiadis,Christo Venter,J. P. Vialle,P. Vincent,M. Vivier,Heinrich J. Völk,Francesca Volpe,Stefan Wagner,Martin Ward,Andrzej A. Zdziarski,A. Zech +155 more
TL;DR: In this measurement, the first of this type, the High Energy Stereoscopic System is able to extend the measurement of the electron spectrum beyond the range accessible to direct measurements, finding evidence for a substantial steepening in the energy spectrum above 600 GeV compared to lower energies.
Journal ArticleDOI
A low level of extragalactic background light as revealed by gamma-rays from blazars.
Felix Aharonian,A. G. Akhperjanian,A. R. Bazer-Bachi,M. Beilicke,Wystan Benbow,David Berge,Konrad Bernlöhr,Konrad Bernlöhr,Catherine Boisson,O. Bolz,V. Borrel,Ilana M. Braun,F. Breitling,A. M. Brown,P. M. Chadwick,L.-M. Chounet,R. Cornils,Luigi Costamante,B. Degrange,Hugh Dickinson,A. Djannati-Ataï,L. O'c. Drury,Guillaume Dubus,Dimitrios Emmanoulopoulos,P. Espigat,F. Feinstein,G. Fontaine,Y. Fuchs,Stefan Funk,Y. A. Gallant,B. Giebels,Stefan Gillessen,J. F. Glicenstein,P. Goret,C. Hadjichristidis,D. Hauser,M. Hauser,G. Heinzelmann,Gilles Henri,G. Hermann,Jim Hinton,Werner Hofmann,M. Holleran,Dieter Horns,A. Jacholkowska,O. C. de Jager,B. Khélifi,Sven Klages,Nu. Komin,A. Konopelko,I. J. Latham,R. Le Gallou,Anne Lemiere,M. Lemoine-Goumard,N. Leroy,Thomas Lohse,Jean Michel Martin,O. Martineau-Huynh,A. Marcowith,Conor Masterson,T. J. L. McComb,M. de Naurois,S. J. Nolan,A. Noutsos,K. J. Orford,J. L. Osborne,M. Ouchrif,M. Panter,Guy Pelletier,S. Pita,G. Pühlhofer,Michael Punch,B. C. Raubenheimer,Martin Raue,J. Raux,S. M. Rayner,A. Reimer,Olaf Reimer,J. Ripken,L. Rob,L. Rolland,Gavin Rowell,V. Sahakian,L. Saugé,S. Schlenker,Reinhard Schlickeiser,C. Schuster,Ullrich Schwanke,M. Siewert,Helene Sol,D. Spangler,R. Steenkamp,C. Stegmann,J.-P. Tavernet,Regis Terrier,C. G. Théoret,M. Tluczykont,C. van Eldik,G. Vasileiadis,Christo Venter,P. Vincent,Heinrich J. Völk,Stefan Wagner +102 more
TL;DR: In this paper, an alternative approach is proposed based on the detection and identification of EBL absorption features in high-energy spectra of objects of known redshift, which provides the most stringent upper limit to date on the EBL in the Opt-NIR band, which appears significantly lower than expected from the current direct estimates and very close to the absolute lower limit represented by the integrated light of resolved galaxies.