Q
Q. Feng
Researcher at Columbia University
Publications - 180
Citations - 5116
Q. Feng is an academic researcher from Columbia University. The author has contributed to research in topics: Blazar & Telescope. The author has an hindex of 38, co-authored 172 publications receiving 4421 citations. Previous affiliations of Q. Feng include Purdue University & McGill University.
Papers
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Journal ArticleDOI
Constraints on cosmic rays, magnetic fields, and dark matter from gamma-ray observations of the coma cluster of galaxies with veritas and fermi
T. Arlen,T. Aune,M. Beilicke,Wystan Benbow,A. Bouvier,J. H. Buckley,V. Bugaev,Karen Byrum,A. Cannon,A. Cesarini,L. Ciupik,E. Collins-Hughes,M. P. Connolly,Wei Cui,R. Dickherber,J. Dumm,Abraham D. Falcone,S. Federici,Q. Feng,J. P. Finley,G. Finnegan,Lucy Fortson,A. Furniss,N. Galante,D. Gall,S. Godambe,S. Griffin,J. Grube,Geza Gyuk,Jamie Holder,H. Huan,Gareth Hughes,T. B. Humensky,A. Imran,P. Kaaret,N. Karlsson,M. Kertzman,Y. Khassen,David Kieda,H. Krawczynski,F. Krennrich,K. Lee,A. S. Madhavan,Gernot Maier,P. Majumdar,S. McArthur,A. McCann,P. Moriarty,R. Mukherjee,T. J. N. Nelson,A. O'Faolain de Bhroithe,R. A. Ong,M. Orr,A. N. Otte,N. H. Park,J. S. Perkins,Martin Pohl,H. Prokoph,John L. Quinn,K. Ragan,L. C. Reyes,P. T. Reynolds,E. Roache,J. Ruppel,D. B. Saxon,M. Schroedter,G. H. Sembroski,C. Skole,A. W. Smith,I. Telezhinsky,G. Tešić,M. Theiling,S. Thibadeau,K. Tsurusaki,A. Varlotta,M. Vivier,S. P. Wakely,J. E. Ward,A. Weinstein,R. Welsing,David A. Williams,B. Zitzer,Christoph Pfrommer,A. Pinzke +83 more
TL;DR: In this paper, the gamma-ray upper limits of the Coma galaxy cluster with the VERITAS array of imaging Cerenkov telescopes, with complementing Fermi Large Area Telescope observations at GeV energies, were investigated.
Journal ArticleDOI
VERITAS deep observations of the dwarf spheroidal galaxy Segue 1
E. Aliu,S. Archambault,T. Arlen,T. Aune,M. Beilicke,Wystan Benbow,A. Bouvier,S. M. Bradbury,J. H. Buckley,V. Bugaev,Karen Byrum,A. Cannon,A. Cesarini,Jodi Christiansen,L. Ciupik,E. Collins-Hughes,M. P. Connolly,Wei Cui,G. Decerprit,R. Dickherber,J. Dumm,Manel Errando,Abraham D. Falcone,Q. Feng,Francesc Ferrer,J. P. Finley,G. Finnegan,Lucy Fortson,A. Furniss,N. Galante,Daniel Gall,S. Godambe,Sinéad M. Griffin,J. Grube,Geza Gyuk,D. Hanna,Jamie Holder,H. Huan,Gareth Hughes,T. B. Humensky,Philip Kaaret,N. Karlsson,M. Kertzman,Y. Khassen,David Kieda,Henric Krawczynski,Frank Krennrich,K. Lee,A. S. Madhavan,Gernot Maier,P. Majumdar,S. McArthur,A. McCann,P. Moriarty,Reshmi Mukherjee,R. A. Ong,Matthew R. Orr,A. N. Otte,N. H. Park,J. S. Perkins,Martin Pohl,H. Prokoph,John L. Quinn,K. Ragan,L. C. Reyes,P. T. Reynolds,E. Roache,H. J. Rose,J. Ruppel,D. B. Saxon,M. Schroedter,G. H. Sembroski,G. D. Entürk,C. Skole,A. W. Smith,D. Staszak,I. Telezhinsky,G. Teić,M. Theiling,S. Thibadeau,K. Tsurusaki,A. Varlotta,Vladimir Vassiliev,S. Vincent,M. Vivier,R. G. Wagner,S. P. Wakely,J. E. Ward,T. C. Weekes,Amanda Weinstein,T. Weisgarber,David A. Williams,B. Zitzer +92 more
TL;DR: In this paper, the VERITAS array of Cherenkov telescopes has carried out a deep observational program on the nearby dwarf spheroidal galaxy Segue 1, and upper limits on the integrated flux are derived.
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.