L
L. Rolland
Researcher at DSM
Publications - 6
Citations - 1156
L. Rolland is an academic researcher from DSM. The author has contributed to research in topics: Pulsar & High Energy Stereoscopic System. The author has an hindex of 6, co-authored 6 publications receiving 1107 citations.
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Journal ArticleDOI
Fast variability of tera-electron volt gamma rays from the radio galaxy M87.
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,A. M. Brown,Rolf Bühler,I. Büsching,Svenja Carrigan,P. M. Chadwick,L.-M. Chounet,G. Coignet,R. Cornils,Luigi Costamante,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,M. Füßling,Y. A. Gallant,B. Giebels,J. F. Glicenstein,P. Goret,C. Hadjichristidis,D. Hauser,M. Hauser,G. Heinzelmann,Gilles Henri,G. Hermann,Jim Hinton,Jim Hinton,A. Hoffmann,Werner Hofmann,M. Holleran,S. Hoppe,Dieter Horns,A. Jacholkowska,O. C. de Jager,Eckhard Kendziorra,M. Kerschhaggl,B. Khélifi,B. Khélifi,Nu. Komin,A. Konopelko,Karl Kosack,G. Lamanna,I. J. Latham,R. Le Gallou,A. Lemiere,M. Lemoine-Goumard,J.-P. Lenain,Thomas Lohse,Jean Michel Martin,O. Martineau-Huynh,A. Marcowith,Conor Masterson,Conor Masterson,Guillaume Maurin,T. J. L. McComb,E. Moulin,M. de Naurois,D. Nedbal,S. J. Nolan,A. Noutsos,K. J. Orford,J. L. Osborne,M. Ouchrif,M. Panter,Guy Pelletier,S. Pita,Gerd Pühlhofer,Michael Punch,S. Ranchon,B. C. Raubenheimer,Martin Raue,S. M. Rayner,A. Reimer,J. Ripken,L. Rob,L. Rolland,S. Rosier-Lees,Gavin Rowell,V. Sahakian,Andrea Santangelo,L. Saugé,S. Schlenker,Reinhard Schlickeiser,R. Schröder,Ullrich 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,M. Tluczykont,C. van Eldik,G. Vasileiadis,Christo Venter,J. P. Vialle,P. Vincent,Heinrich J. Völk,Stefan Wagner,Martin Ward +128 more
TL;DR: The detection of fast variations of the TeV (10^12 eV) gamma-ray flux, on time-scales of days, from the nearby radio galaxy M 87 is reported in this article.
Journal ArticleDOI
3.9 day orbital modulation in the TeV gamma-ray flux and spectrum from the X-ray binary LS 5039
Felix Aharonian,A. G. Akhperjanian,A. R. Bazer-Bachi,M. Beilicke,Wystan Benbow,David Berge,Konrad Bernlöhr,C. 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,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,G. Hermann,Jim Hinton,Werner Hofmann,M. Holleran,Dieter Horns,A. Jacholkowska,O. C. de Jager,B. Khélifi,Nu. Komin,A. Konopelko,I. J. Latham,R. Le Gallou,Anne Lemiere,M. Lemoine-Goumard,Thomas Lohse,Jean Michel Martin,O. 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,Gerd Pühlhofer,Michael Punch,B. C. Raubenheimer,Martin Raue,S. M. Rayner,A. Reimer,Olaf Reimer,J. Ripken,L. Rob,L. Rolland,Gavin Rowell,V. Sahakian,L. Saugé,S. Schlenker,Reinhard Schlickeiser,Ullrich 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,Stefan Wagner,Martin Ward +104 more
TL;DR: In this article, a high-energy Stereoscopic system of Cherenkov Telescopes (H.E.S.S) was used to observe LS 5039, a High Mass X-ray Binary comprising a massive star and a compact object.
Journal ArticleDOI
First detection of a VHE gamma-ray spectral maximum from a cosmic source: HESS discovery of the Vela X nebula
Felix Aharonian,A. G. Akhperjanian,A. R. Bazer-Bachi,M. Beilicke,Wystan Benbow,David Berge,V. Borrel,Konrad Bernlöhr,O. Bolz,Catherine Boisson,J.F. Glicenstein,F. Breitling,A. M. Brown,Hugh Dickinson,P. M. Chadwick,Ilana M. Braun,L.-M. Chounet,R. Cornils,Luigi Costamante,B. Degrange,A. Djannati-Ataï,L. O'c. Drury,Dimitrios Emmanoulopoulos,P. Espigat,F. Feinstein,A. Jacholkowska,G. Fontaine,Seb. Funk,Y. A. Gallant,B. Giebels,Stefan Gillessen,P. Goret,Guillaume Dubus,C. Hadjichristidis,M. Hauser,G. Heinzelmann,Gilles Henri,German Hermann,Jim Hinton,Werner Hofmann,M. Holleran,Dieter Horns,O. C. de Jager,B. Khélifi,Nu. Komin,A. Konopelko,I. J. Latham,R. Le Gallou,M. Lemoine-Goumard,A. Lemiere,N. Leroy,Thomas Lohse,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,Y. Fuchs,Gerd Pühlhofer,Michael Punch,B. C. Raubenheimer,M. Raue,J. Raux,S. M. Rayner,Jean Michel Martin,A. Reimer,Olaf Reimer,J. Ripken,Regis Terrier,L. Rob,L. Rolland,Gavin Rowell,V. Sahakian,L. Saugé,S. Schlenker,Reinhard Schlickeiser,C. Schuster,U. Schwanke,M. Siewert,Helene Sol,R. Steenkamp,C. Stegmann,J.-P. Tavernet,C. G. Théoret,M. Tluczykont,M. Tluczykont,Christo Venter,G. Vasileiadis,P. Vincent,Heinrich J. Völk,Stefan Wagner,O. Martineau-Huynh,D. Spangler +99 more
TL;DR: This result is the first clear measurement of a peak in the spectral energy distribution from a VHE gamma-ray source, likely related to inverse Compton emission.
Journal ArticleDOI
Energy dependent $\gamma$-ray morphology in the pulsar wind nebula HESS J1825–137
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,A. M. Brown,Rolf Bühler,I. Büsching,Svenja Carrigan,P. M. Chadwick,L.-M. Chounet,R. Cornils,Luigi Costamante,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,M. Füßling,Y. A. Gallant,B. Giebels,J. F. Glicenstein,P. Goret,C. Hadjichristidis,D. Hauser,M. Hauser,G. Heinzelmann,Gilles Henri,G. Hermann,Jim Hinton,Jim Hinton,A. Hoffmann,Werner Hofmann,M. Holleran,Dieter Horns,A. Jacholkowska,O. C. de Jager,Eckhard Kendziorra,B. Khélifi,B. Khélifi,Nu. Komin,A. Konopelko,Karl Kosack,I. J. Latham,R. Le Gallou,Anne Lemiere,M. Lemoine-Goumard,Thomas Lohse,Jean Michel Martin,O. Martineau-Huynh,A. Marcowith,Conor Masterson,Conor Masterson,Gilles Maurin,T. J. L. McComb,E. Moulin,M. de Naurois,D. Nedbal,S. J. Nolan,A. Noutsos,K. J. Orford,J. L. Osborne,M. Ouchrif,M. Panter,Guy Pelletier,S. Pita,Gerd Pühlhofer,Michael Punch,B. C. Raubenheimer,Martin Raue,S. M. Rayner,A. Reimer,Olaf Reimer,J. Ripken,L. Rob,L. Rolland,Gavin Rowell,V. Sahakian,Andrea Santangelo,L. Saugé,S. Schlenker,Reinhard Schlickeiser,R. Schröder,Ullrich Schwanke,S. Schwarzburg,A. Shalchi,Helene Sol,D. Spangler,Felix Spanier,R. Steenkamp,C. Stegmann,G. Superina,J.-P. Tavernet,Regis Terrier,C. G. Théoret,M. Tluczykont,M. Tluczykont,C. van Eldik,G. Vasileiadis,Christo Venter,P. Vincent,Heinrich J. Völk,Stefan Wagner,Martin Ward +120 more
TL;DR: In this article, a morphological and spatially resolved spectral analysis of the Galactic pulsar wind nebula HESS J1825-137 has been performed with the HESS array, revealing the very high energy (VHE) $\gamma$-ray aspects of this object with unprecedented precision.
Journal ArticleDOI
Discovery of the two wings of the Kookaburra complex in VHE gamma -rays with H.E.S.S
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,Gerard 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,G. Hermann,Jim Hinton,Werner Hofmann,M. Holleran,Dieter Horns,A. Jacholkowska,O. C. de Jager,B. Khélifi,Nu. Komin,A. Konopelko,I. J. Latham,R. Le Gallou,Anne Lemiere,M. Lemoine-Goumard,Thomas Lohse,Jean Michel Martin,O. 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,Gerd Pühlhofer,Michael Punch,B. C. Raubenheimer,Martin Raue,S. M. Rayner,A. Reimer,Olaf Reimer,J. Ripken,L. Rob,L. Rolland,Gavin Rowell,V. Sahakian,L. Saugé,S. Schlenker,Reinhard Schlickeiser,Ullrich 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,Stefan Wagner,Martin Ward +104 more
TL;DR: In this article, a forward-folding maximum likelihood fit of the gamma-ray spectrum of the Kookaburra complex has been proposed to identify the source of the X-ray pulsar wind nebulae.