INVESTIGATING THE TeV MORPHOLOGY OF MGRO J1908+06 WITH VERITAS

E. Aliu; S. Archambault; 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; E. Collins-Hughes; M. P. Connolly; W. Cui; J. Dumm; V. V. Dwarkadas; M. Errando; A. Falcone; S. Federici; Q. Feng; J. P. Finley; H. Fleischhack; P. Fortin; L. Fortson; A. Furniss; N. Galante; D. Gall; G. H. Gillanders; S. Griffin; S. T. Griffiths; J. Grube; G. Gyuk; D. Hanna; J. Holder; G. Hughes; T. B. Humensky; P. Kaaret; M. Kertzman; Y. Khassen; D. Kieda; F. Krennrich; S. Kumar; M. J. Lang; A. S. Madhavan; G. Maier; A. J. McCann; K. Meagher; J. Millis; P. Moriarty; R. Mukherjee; D. Nieto; A. O'Faolain de Bhroithe; R. A. Ong; A. N. Otte; D. Pandel; N. Park; M. Pohl; A. Popkow; H. Prokoph; J. Quinn; K. Ragan; J. Rajotte; G. Ratliff; L. C. Reyes; P. T. Reynolds; G. T. Richards; E. Roache; J. Rousselle; G. H. Sembroski; K. Shahinyan; F. Sheidaei; A. W. Smith; D. Staszak; I. Telezhinsky; K. Tsurusaki; J. V. Tucci; J. Tyler; A. Varlotta; V. V. Vassiliev; S. Vincent; S. P. Wakely; J. E. Ward; A. Weinstein; R. Welsing; A. Wilhelm

doi:10.1088/0004-637X/787/2/166

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INVESTIGATING THE TeV MORPHOLOGY OF MGRO J1908+06 WITH VERITAS

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INVESTIGATING THE TeV MORPHOLOGY OF MGRO J1908+06 WITH VERITAS

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

The Astrophysical journal, v 787(2)

01 Jun 2014

DOI: https://doi.org/10.1088/0004-637X/787/2/166

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Abstract

Astronomy & Astrophysics

Physical Sciences

Science & Technology

We report on deep observations of the extended TeV gamma-ray source MGRO J1908+06 made with the VERITAS very high energy gamma-ray observatory. Previously, the TeV emission has been attributed to the pulsar wind nebula (PWN) of the Fermi-LAT pulsar PSR J1907+0602. We detect MGRO J1908+06 at a significance level of 14 standard deviations (14 sigma) and measure a photon index of 2.20 +/- 0.10(stat) +/- 0.20(sys). The TeV emission is extended, covering the region near PSR J1907+0602 and also extending toward SNR G40.5-0.5. When fitted with a two-dimensional Gaussian, the intrinsic extension has a standard deviation of sigma(src) = 0 degrees.44 +/- 0 degrees.02. In contrast to other TeV PWNe of similar age in which the TeV spectrum softens with distance from the pulsar, the TeV spectrum measured near the pulsar location is consistent with that measured at a position near the rim of G40.5-0.5, 0 degrees.33 away.

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Title: INVESTIGATING THE TeV MORPHOLOGY OF MGRO J1908+06 WITH VERITAS
Creators: E. Aliu - Columbia University
S. Archambault - McGill 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
E. Collins-Hughes - University College Dublin
M. P. Connolly - National University of Ireland, Galway
W. Cui - Purdue University West Lafayette
J. Dumm - University of Minnesota
V. V. Dwarkadas - University of Chicago
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
H. Fleischhack - DESY, D-15738 Zeuthen, Germany
P. Fortin - Harvard University
L. Fortson - University of Minnesota
A. Furniss - Santa Cruz Institute for Particle Physics
N. Galante - Harvard University
D. Gall - University of Iowa
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 - Natl Univ Ireland Galway, Sch Phys, Galway, Ireland
T. B. Humensky - Columbia University
P. Kaaret - University of Iowa
M. Kertzman - DePauw University
Y. Khassen - University College Dublin
D. Kieda - University of Utah
F. Krennrich - Iowa State University
S. Kumar - University of Delaware
M. J. Lang - National University of Ireland, Galway
A. S. Madhavan - Iowa State University
G. Maier - DESY, D-15738 Zeuthen, Germany
A. J. McCann - University of Chicago
K. Meagher - Georgia Institute of Technology
J. Millis - Anderson University - Indiana
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 - University of Chicago
D. Pandel - Grand Valley State University
N. Park - University of Chicago
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
G. Ratliff - Adler Planetarium
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
J. Rousselle - University of California, Los Angeles
G. H. Sembroski - Purdue University West Lafayette
K. Shahinyan - University of Minnesota
F. Sheidaei - University of Utah
A. W. Smith - University of Utah
D. Staszak - McGill University
I. Telezhinsky - University of Potsdam
K. Tsurusaki - University of Iowa
J. V. Tucci - Purdue University West Lafayette
J. Tyler - McGill University
A. Varlotta - Purdue University West Lafayette
V. V. Vassiliev - University of California, Los Angeles
S. Vincent - DESY, D-15738 Zeuthen, Germany
S. P. Wakely - University of Chicago
J. E. Ward - Washington University in St. Louis
A. Weinstein - Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
R. Welsing - DESY, D-15738 Zeuthen, Germany
A. Wilhelm - University of Potsdam
Publication Details: The Astrophysical journal, v 787(2)
Publisher: Iop Publishing Ltd
Number of pages: 7
Grant note: NSERC in Canada; Natural Sciences and Engineering Research Council of Canada (NSERC) SFI 10/RFP/AST2748 / Science Foundation Ireland; European Commission U.S. Department of Energy Office of Science; United States Department of Energy (DOE) 1206534 / Direct For Mathematical & Physical Scien; National Science Foundation (NSF); NSF - Directorate for Mathematical & Physical Sciences (MPS) 1402740 / Division Of Physics; National Science Foundation (NSF); NSF - Directorate for Mathematical & Physical Sciences (MPS) U.S. National Science Foundation and the Smithsonian Institution STFC in the U.K; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC)
Resource Type: Journal article
Language: English
Academic Unit: Physics
Web of Science ID: WOS:000336246700071
Scopus ID: 2-s2.0-84901020696
Other Identifier: 991019201385304721

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

INVESTIGATING THE TeV MORPHOLOGY OF MGRO J1908+06 WITH VERITAS

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