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Observation of VHE Gamma Radiation from HESS J1834-087/W41 with the MAGIC Telescope
Author(s) -
J. Albert,
E. Aliu,
H. Anderhub,
P. Antoranz,
A. Armada,
M. Asensio,
C. Baixeras,
J. A. Barrio,
M. Bartelt,
H. Bartko,
D. Bastieri,
S. R. Bavikadi,
W. Bednarek,
K. Berger,
C. Bigongiari,
A. Biland,
Erica Bisesi,
R. K. Böck,
P. Bordas,
V. BoschRamon,
T. Bretz,
I. Britvitch,
Montaña Cámara,
E. Carmona,
A. Chilingarian,
S. Ciprini,
J. A. Coarasa,
S. Commichau,
J. L. Contreras,
J. Cortina,
V. Curtef,
T. M. Dame,
V. Danielyan,
F. Dazzi,
A. De Angelis,
R. de los Reyes,
B. De Lotto,
E. Domingo-Santamarí,
D. Dorner,
M. Doro,
M. Errando,
M. Fagiolini,
D. Ferenc,
E. Fernández,
R. Firpo,
J. Flix,
M. V. Fonseca,
L. Font,
M. Fuchs,
N. Galante,
M. Garczarczyk,
M. Gaug,
M. Giller,
F. Göebel,
D. Hakobyan,
M. Hayashida,
T. Hengstebeck,
D. Höhne,
J. Hose,
C. C. Hsu,
Paula Gina Isar,
P. Jacoń,
O. Kalekin,
R. Kasyra,
D. Kranich,
M. Laatiaoui,
A. Laille,
T. Lenisa,
P. Liebing,
E. Lindfors,
S. Lombardi,
F. Longo,
J. López,
Marcos López,
E. Lorenz,
F. Lucarelli,
P. Majumdar,
G. Maneva,
K. Mannheim,
O. Mansutti,
M. Mariotti,
M. Martı́nez,
K. Mase,
D. Mazin,
C. Merck,
M. Meucci,
M. Meyer,
J. M. Miranda,
R. Mirzoyan,
S. Mizobuchi,
A. Moralejo,
K. Nilsson,
E. de Oña Wilhelmi,
R. Orduña,
A. N. Otte,
D. Paneque,
R. Paoletti,
J. M. Paredes,
M. Pasanen,
D. Pascoli,
F. Pauss,
N. Pavel,
R. Pegna,
M. Persic,
L. Peruzzo,
A. Piccioli,
M. Pöller,
E. Prandini,
A. Raymers,
J. Rico,
W. Rhode,
M. Ribó,
Bernhard Riegel,
M. Rissi,
A. Robert,
S. Rügamer,
A. Saggion,
A. Sánchez,
P. Sartori,
V. Scalzotto,
V. Scapin,
R. Schmitt,
T. Schweizer,
M. Shayduk,
K. Shinozaki,
S. N. Shore,
N. Sidro,
A. Sillanpää,
D. Sobczyńska,
A. Stamerra,
L. S. Stark,
L. O. Takalo,
P. Temnikov,
D. Tescaro,
M. Teshima,
N. Tonello,
A. Torres-Forné,
D. F. Torres,
N. Turini,
H. Vankov,
V. Vitale,
Robert Wagner,
Tadeusz Wibig,
W. Wittek,
R. Zanin,
J. Zapatero
Publication year - 2006
Publication title -
the astrophysical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.376
H-Index - 489
eISSN - 1538-4357
pISSN - 0004-637X
DOI - 10.1086/504917
Subject(s) - physics , galactic plane , magic (telescope) , astrophysics , astronomy , telescope , molecular cloud , superposition principle , galaxy , supernova remnant , radiation , supernova , optics , stars , quantum mechanics
Recently, the HESS array has reported the detection of gamma-ray emissionabove a few hundred GeV from eight new sources located close to the GalacticPlane. The source HESS J1834-087 is spatially coincident with SNR G23.3-0.3(W41). Here we present MAGIC observations of this source, resulting in thedetection of a differential gamma-ray flux consistent with a power law,described as dN/(dA dt dE) = (3.7 +/- 0.6)*10^(-12) (E/TeV)^(-2.5 +/- 0.2) \cm^(-2)s^(-1)TeV^(-1). We confirm the extended character of this flux. Webriefly discuss the observational technique used, the procedure implemented forthe data analysis, and put this detection in the perspective of the molecularenvironment found in the region of W41. We present 13CO and 12CO emission mapsshowing the existence of a massive molecular cloud in spatial superpositionwith the MAGIC detection.Comment: Accepted by ApJ Letter

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