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Very high energy gamma-ray observation of the peculiar transient event Swift J1644+57 with the MAGIC telescopes and AGILE

Authors :
Abelardo Moralejo
Ivica Puljak
Pierre Colin
T. Krähenbühl
L. A. Antonelli
K. Berger
E. Colombo
S. Bonnefoy
Giacomo Bonnoli
R. Mirzoyan
D. Eisenacher
E. Carmona
Markus Garczarczyk
Fabio Zandanel
Ralph Bock
L. O. Takalo
Nina Nowak
Natalia Lewandowska
Mosè Mariotti
M. Doert
Michael Backes
M. Asensio
Takashi Saito
Juan Abel Barrio
K. Mallot
Fabrizio Tavecchio
R. J. García López
Saverio Lombardi
D. Borla Tridon
Ll. Font
F. Jankowski
C. Schultz
V. Scapin
Reiko Orito
S. Partini
Francesco Longo
Julian Sitarek
Kari Nilsson
M. Salvati
R. Reinthal
J. Hose
Dominik Elsaesser
A. Sillanpää
Steven N. Shore
A. La Barbera
Emanuele Paolo Farina
U. Barres de Almeida
Dario Hrupec
Nikola Godinovic
Benito Marcote
Daniela Hadasch
Felix Spanier
P. G. Prada Moroni
J. Moldón
Christian Fruck
T. Toyama
Nijil Mankuzhiyil
W. Idec
Damir Lelas
Patrick Vogler
P. Munar-Adrover
D. Garrido Terrats
Ignasi Reichardt
O. Tibolla
V. Scalzotto
C. Pittori
M. L. Knoetig
Tomislav Terzić
M. Palatiello
Massimo Persic
J. Krause
Dorota Sobczyńska
B. De Lotto
M. A. Lopez
Hajime Takami
Martin Makariev
Oscar Blanch
Riccardo Paoletti
I. Snidaric
Marc Ribó
D. Dominis Prester
Aaron Dominguez
M. V. Fonseca
G. Maneva
Fabrizio Lucarelli
Francesco Dazzi
R. Zanin
A. Saggion
Adrian Biland
J. Kushida
G. De Caneva
S. Klepser
E. Prandini
Jose Luis Contreras
Francisco Prada
Juan Cortina
J. M. Paredes
Antonio Stamerra
S. Spiro
E. Lorenz
A. De Angelis
Victor Stamatescu
Aldo Treves
J. Rico
Thomas Bretz
B. Steinke
J. Masbou
A. Hadamek
J. Storz
Diego F. Torres
M. I. Martínez
Wolfgang Rhode
J. Becerra González
P. Da Vela
A. Boller
L. Cossio
Daniel Ferenc
Mario Meucci
Artemio Herrero
K. Saito
F. Verrecchia
Q. Weitzel
Tihomir Surić
D. Carreto Fidalgo
V. Kadenius
S. Paiano
Karl Mannheim
C. Delgado Mendez
S. R. Gozzini
Gianluca Giavitto
A. González Muñoz
Daniela Dorner
M. Gaug
Elisa Bernardini
A. López-Oramas
Wlodek Bednarek
Alessandro Carosi
Ruben Lopez-Coto
D. Nakajima
Jose Miguel Miranda
L. Maraschi
Elina Lindfors
Daniel Mazin
Konstancja Satalecka
P. Temnikov
Michele Doro
Shan Sun
Jelena Aleksić
A. Niedzwiecki
David Paneque
Stefano Covino
T. Schweizer
I. Lozano
D. Tescaro
Masahiro Teshima
Robert Wagner
M. Uellenbeck
P. Antoranz
UAM. Departamento de Física Teórica
J., Aleksić
L. A., Antonelli
P., Antoranz
M., Asensio
M., Backe
U., Barres de Almeida
J. A., Barrio
J., Becerra González
W., Bednarek
K., Berger
E., Bernardini
A., Biland
O., Blanch
R. K., Bock
A., Boller
S., Bonnefoy
G., Bonnoli
D., Borla Tridon
T., Bretz
E., Carmona
A., Carosi
D., Carreto Fidalgo
P., Colin
E., Colombo
J. L., Contrera
J., Cortina
L., Cossio
S., Covino
P., Da Vela
F., Dazzi
A., De Angeli
G., De Caneva
B., De Lotto
C., Delgado Mendez
M., Doert
A., Domínguez
D., Dominis Prester
D., Dorner
M., Doro
D., Eisenacher
D., Elsaesser
E., Farina
D., Ferenc
M. V., Fonseca
L., Font
C., Fruck
R. J., García López
M., Garczarczyk
D., Garrido Terrat
M., Gaug
G., Giavitto
N., Godinović
A., González Muñoz
S. R., Gozzini
A., Hadamek
D., Hadasch
A., Herrero
J., Hose
D., Hrupec
W., Idec
F., Jankowski
V., Kadeniu
S., Klepser
M. L., Knoetig
T., Krähenbühl
J., Krause
J., Kushida
A., La Barbera
D., Lela
N., Lewandowska
E., Lindfor
S., Lombardi
M., López
R., López Coto
A., López Orama
E., Lorenz
I., Lozano
M., Makariev
K., Mallot
G., Maneva
N., Mankuzhiyil
K., Mannheim
L., Maraschi
B., Marcote
M., Mariotti
M., Martínez
J., Masbou
D., Mazin
M., Meucci
J. M., Miranda
R., Mirzoyan
J., Moldón
A., Moralejo
P., Munar Adrover
D., Nakajima
A., Niedzwiecki
K., Nilsson
N., Nowak
R., Orito
S., Paiano
M., Palatiello
D., Paneque
R., Paoletti
J. M., Parede
S., Partini
M., Persic
F., Prada
P. G., Prada Moroni
E., Prandini
I., Puljak
I., Reichardt
R., Reinthal
W., Rhode
M., Ribó
J., Rico
A., Saggion
K., Saito
T. Y., Saito
M., Salvati
K., Satalecka
V., Scalzotto
V., Scapin
C., Schultz
T., Schweizer
S. N., Shore
A., Sillanpää
J., Sitarek
I., Snidaric
D., Sobczynska
F., Spanier
S., Spiro
V., Stamatescu
A., Stamerra
B., Steinke
J., Storz
S., Sun
T., Surić
L., Takalo
H., Takami
F., Tavecchio
P., Temnikov
T., Terzić
D., Tescaro
M., Teshima
O., Tibolla
D. F., Torre
T., Toyama
A., Treve
M., Uellenbeck
P., Vogler
R. M., Wagner
Q., Weitzel
F., Zandanel
R., Zanin
Longo, Francesco
F., Lucarelli
C., Pittori
F., Verrecchia
Source :
E-Prints Complutense. Archivo Institucional de la UCM, instname, A&A, Biblos-e Archivo. Repositorio Institucional de la UAM, Astronomy and astrophysics 552(A112 ), 1-6 (2013). doi:10.1051/0004-6361/201321197, E-Prints Complutense: Archivo Institucional de la UCM, Universidad Complutense de Madrid
Publication Year :
2013
Publisher :
ESO, 2013.

Abstract

Astronomy and astrophysics 552(A112 ), 1-6 (2013). doi:10.1051/0004-6361/201321197<br />Context. On March 28, 2011, the BAT instrument on board the Swift satellite detected a new transient event that in the very beginning was classified as a gamma ray burst (GRB). However, the unusual X-ray flaring activity observed from a few hours up to days after the onset of the event made a different nature seem to be more likely. The long-lasting activity in the X-ray band, followed by a delayed brightening of the source in infrared and radio activity, suggested that it is better interpreted as a tidal disruption event that triggered a dormant black hole in the nucleus of the host galaxy and generated an outflowing jet of relativistic matter. Aims. Detecting a very high energy emission component from such a peculiar object would be enable us to constrain the dynamic of the emission processes and the jet model by providing information on the Doppler factor of the relativistic ejecta. Methods. The MAGIC telescopes observed the peculiar source Swift J1644+57 during the flaring phase, searching for gamma-ray emission at very-high energy (VHE, E > 100 GeV), starting observations nearly 2.5 days after the trigger time. MAGIC collected a total of 28 h of dataduring 12 nights. The source was observed in wobble mode during dark time at a mean zenith angle of 35◦. Data were reduced using a new image-cleaning algorithm, the so-called sum-cleaning, which guarantees a better noise suppression and a lower energy threshold than the standard analysis procedure. Results. No clear evidence for emission above the energy threshold of 100 GeV was found. MAGIC observations permit one to constrain theemission from the source down to 100 GeV, which favors models that explain the observed lower energy variable emission. Data analysis of simultaneous observations from AGILE, Fermi and VERITAS also provide negative detection, which additionally constrain the self-Compton emission component.<br />Published by EDP Sciences, Les Ulis

Details

Language :
English
ISSN :
00046361
Database :
OpenAIRE
Journal :
E-Prints Complutense. Archivo Institucional de la UCM, instname, A&A, Biblos-e Archivo. Repositorio Institucional de la UAM, Astronomy and astrophysics 552(A112 ), 1-6 (2013). doi:10.1051/0004-6361/201321197, E-Prints Complutense: Archivo Institucional de la UCM, Universidad Complutense de Madrid
Accession number :
edsair.doi.dedup.....25da4ac7283bf5531d96209fa260d6b1
Full Text :
https://doi.org/10.1051/0004-6361/201321197