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First Bounds on the Very High Energy γ‐Ray Emission from Arp 220
Author(s) -
J. Albert,
E. Aliu,
H. Anderhub,
P. Antoranz,
A. Armada,
C. Baixeras,
J. A. Barrio,
H. Bartko,
D. Bastieri,
J. A. Becker,
W. Bednarek,
K. Berger,
C. Bigongiari,
A. Biland,
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,
V. Danielyan,
F. Dazzi,
A. De Angelis,
R. de los Reyes,
B. De Lotto,
E. Domingo-Santamaría,
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,
P. Jacoń,
T. Jogler,
O. Kalekin,
R. Kosyra,
D. Kranich,
R. Kritzer,
A. Laille,
P. Liebing,
E. Lindfors,
S. Lombardi,
F. Longo,
J. López,
Marcos López,
E. Lorenz,
P. Majumdar,
G. Maneva,
K. Mannheim,
O. Mansutti,
M. Mariotti,
M. Martı́nez,
D. Mazin,
C. Merck,
M. Meucci,
M. Meyer,
J. M. Miranda,
R. Mirzoyan,
S. Mizobuchi,
A. Moralejo,
K. Nilsson,
J. Ninković,
E. de Oña Wilhelmi,
A. N. Otte,
D. Paneque,
R. Paoletti,
J. M. Paredes,
M. Pasanen,
D. Pascoli,
F. Pauss,
R. Pegna,
M. Persic,
L. Peruzzo,
A. Piccioli,
M. Pöller,
N. Puchades,
E. Prandini,
A. Raymers,
W. Rhode,
M. Ribó,
J. Rico,
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. Sillanpaa,
D. Sobczyńska,
A. Stamerra,
L. S. Stark,
L. O. Takalo,
P. Temnikov,
D. Tescaro,
M. Teshima,
N. Tonello,
D. F. Torres,
N. Turini,
H. Vankov,
V. Vitale,
Robert Wagner,
Tadeusz Wibig,
W. Wittek,
R. Zanin,
J. Zapatero
Publication year - 2007
Publication title -
the astrophysical journal
Language(s) - English
Resource type - Journals
eISSN - 1538-4357
pISSN - 0004-637X
DOI - 10.1086/511173
Subject(s) - magic (telescope) , physics , galaxy , telescope , astrophysics , flux (metallurgy) , infrared , energy (signal processing) , astronomy , chemistry , quantum mechanics , organic chemistry
Using the Major Atmospheric Gamma Imaging Cerenkov Telescope ( MAGIC), we have observed the nearest ultraluminous infrared galaxy, Arp 220, for about 15 hr. No significant signal was detected within the dedicated amount of observation time. The first upper limits to the very high energy gamma-ray flux of Arp 220 are herein reported and compared with theoretical expectations

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