OBSERVATIONS OF THE UNIDENTIFIED GAMMA-RAY SOURCE TeV J2032+4130 BY VERITAS

E. Aliu; T. Aune; B. Behera; M. Beilicke; W. Benbow; K. Berger; R. Bird; J. H. Buckley; V. Bugaev; J. V. Cardenzana; M. Cerruti; X. Chen; L. Ciupik; M. P. Connolly; W. Cui; C. Duke; J. Dumm; M. Errando; A. Falcone; S. Federici; Q. Feng; J. P. Finley; P. Fortin; L. Fortson; A. Furniss; N. Galante; G. H. Gillanders; S. Griffin; S. T. Griffiths; J. Grube; G. Gyuk; D. Hanna; J. Holder; G. Hughes; T. B. Humensky; P. Kaaret; Oleg Kargaltsev; M. Kertzman; Y. Khassen; D. Kieda; H. Krawczynski; M. J. Lang; A. S. Madhavan; G. Maier; P. Majumdar; A. McCann; P. Moriarty; R. Mukherjee; D. Nieto; A. O'Faolain de Bhroithe; R. A. Ong; A. N. Otte; D. Pandel; J. S. Perkins; M. Pohl; A. Popkow; H. Prokoph; J. Quinn; K. Ragan; J. Rajotte; L. C. Reyes; P. T. Reynolds; G. T. Richards; E. Roache; G. H. Sembroski; C. Skole; D. Staszak; I. Telezhinsky; M. Theiling; J. V. Tucci; J. Tyler; A. Varlotta; S. Vincent; S. P. Wakely; T. C. Weekes; A. Weinstein; R. Welsing; D. A. Williams; B. Zitzer

doi:10.1088/0004-637X/783/1/16

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OBSERVATIONS OF THE UNIDENTIFIED GAMMA-RAY SOURCE TeV J2032+4130 BY VERITAS

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OBSERVATIONS OF THE UNIDENTIFIED GAMMA-RAY SOURCE TeV J2032+4130 BY VERITAS

E. Aliu, T. Aune, B. Behera, M. Beilicke, W. Benbow, K. Berger, R. Bird, J. H. Buckley, V. Bugaev, J. V. Cardenzana, …

The Astrophysical journal, v 783(1), pp 1-9

01 Mar 2014

DOI: https://doi.org/10.1088/0004-637X/783/1/16

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Abstract

Astronomy & Astrophysics

Physical Sciences

Science & Technology

TeV J2032+4130 was the first unidentified source discovered at very high energies (VHEs; E > 100 GeV), with no obvious counterpart in any other wavelength. It is also the first extended source to be observed in VHE gamma rays. Following its discovery, intensive observational campaigns have been carried out in all wavelengths in order to understand the nature of the object, which have met with limited success. We report here on a deep observation of TeV J2032+4130 based on 48.2 hr of data taken from 2009 to 2012 by the Very Energetic Radiation Imaging Telescope Array System experiment. The source is detected at 8.7 standard deviations (sigma) and is found to be extended and asymmetric with a width of 9'.5 +/- 1'.2 along the major axis and 4'.0 +/- 0'.5 along the minor axis. The spectrum is well described by a differential power law with an index of 2.10 +/- 0.14(stat) +/- 0.21(sys) and a normalization of (9.5 +/- 1.6(stat) +/- 2.2(sys)) x 10(-13) TeV-1 cm(-2) s(-1) at 1 TeV. We interpret these results in the context of multiwavelength scenarios which particularly favor the pulsar wind nebula interpretation.

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Title: OBSERVATIONS OF THE UNIDENTIFIED GAMMA-RAY SOURCE TeV J2032+4130 BY VERITAS
Creators: E. Aliu - Columbia University
T. Aune - University of California, Los Angeles
B. Behera - DESY, D-15738 Zeuthen, Germany
M. Beilicke - Washington University in St. Louis
W. Benbow - Harvard University
K. Berger - University of Delaware
R. Bird - University College Dublin
J. H. Buckley - Washington University in St. Louis
V. Bugaev - Washington University in St. Louis
J. V. Cardenzana - Iowa State University
M. Cerruti - Harvard University
X. Chen - University of Potsdam
L. Ciupik - Adler Planetarium
M. P. Connolly - National University of Ireland, Galway
W. Cui - Purdue University West Lafayette
C. Duke - Grinnell College
J. Dumm - University of Minnesota
M. Errando - Columbia University
A. Falcone - Pennsylvania State University
S. Federici - University of Potsdam
Q. Feng - Purdue University West Lafayette
J. P. Finley - Purdue University West Lafayette
P. Fortin - Harvard University
L. Fortson - University of Minnesota
A. Furniss - University of California, Santa Cruz
N. Galante - Harvard University
G. H. Gillanders - National University of Ireland, Galway
S. Griffin - McGill University
S. T. Griffiths - University of Iowa
J. Grube - Adler Planetarium
G. Gyuk - Adler Planetarium
D. Hanna - McGill University
J. Holder - University of Delaware
G. Hughes - DESY, D-15738 Zeuthen, Germany
T. B. Humensky - Columbia University
P. Kaaret - University of Iowa
Oleg Kargaltsev - George Washington University
M. Kertzman - DePauw University
Y. Khassen - University College Dublin
D. Kieda - University of Utah
H. Krawczynski - Washington University in St. Louis
M. J. Lang - National University of Ireland, Galway
A. S. Madhavan - Iowa State University
G. Maier - DESY, D-15738 Zeuthen, Germany
P. Majumdar - Saha Institute of Nuclear Physics
A. McCann - University of Chicago
P. Moriarty - Galway-Mayo Institute of Technology
R. Mukherjee - Columbia University
D. Nieto - Columbia University
A. O'Faolain de Bhroithe - University College Dublin
R. A. Ong - University of California, Los Angeles
A. N. Otte - Georgia Institute of Technology
D. Pandel - Grand Valley State University
J. S. Perkins - Goddard Space Flight Center
M. Pohl - University of Potsdam
A. Popkow - University of California, Los Angeles
H. Prokoph - DESY, D-15738 Zeuthen, Germany
J. Quinn - University College Dublin
K. Ragan - McGill University
J. Rajotte - McGill University
L. C. Reyes - California Polytechnic State University
P. T. Reynolds - Cork Institute of Technology
G. T. Richards - Georgia Institute of Technology
E. Roache - Harvard University
G. H. Sembroski - Purdue University West Lafayette
C. Skole - DESY, D-15738 Zeuthen, Germany
D. Staszak - McGill University
I. Telezhinsky - University of Potsdam
M. Theiling - Purdue University West Lafayette
J. V. Tucci - Purdue University West Lafayette
J. Tyler - McGill University
A. Varlotta - Purdue University West Lafayette
S. Vincent - DESY, D-15738 Zeuthen, Germany
S. P. Wakely - University of Chicago
T. C. Weekes - Harvard University
A. Weinstein - Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
R. Welsing - DESY, D-15738 Zeuthen, Germany
D. A. Williams - University of California, Santa Cruz
B. Zitzer - Argonne National Laboratory
Publication Details: The Astrophysical journal, v 783(1), pp 1-9
Publisher: Iop Publishing Ltd
Number of pages: 9
Grant note: STFC in the U.K.; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) NNX09AC84G; NNX09AC81G / NASA; National Aeronautics & Space Administration (NASA) NSERC in Canada; Natural Sciences and Engineering Research Council of Canada (NSERC) SFI 10/RFP/AST2748 / Science Foundation Ireland; European Commission 1307311 / Division Of Physics; National Science Foundation (NSF); NSF - Directorate for Mathematical & Physical Sciences (MPS) U.S. Department of Energy Office of Science; United States Department of Energy (DOE) 0969043 / Direct For Mathematical & Physical Scien; National Science Foundation (NSF); NSF - Directorate for Mathematical & Physical Sciences (MPS) Smithsonian Institution U.S. National Science Foundation; National Science Foundation (NSF) Young Investigators Program of the Helmholtz Association
Resource Type: Journal article
Language: English
Academic Unit: Physics
Web of Science ID: WOS:000334919600016
Scopus ID: 2-s2.0-84894037571
Other Identifier: 991019201492704721

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Collaboration types: Domestic collaboration; International collaboration
Web of Science research areas: Astronomy & Astrophysics

OBSERVATIONS OF THE UNIDENTIFIED GAMMA-RAY SOURCE TeV J2032+4130 BY VERITAS

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