Detection of the γ-ray binary LSI +61°303 in a low-flux state at very high energy γ-rays with the magic telescopes in 2009

Full list of authors: Aleksić, J.; Alvarez, E. A.; Antonelli, L. A.; Antoranz, P.; Asensio, M.; Backes, M.; Barrio, J. A.; Bastieri, D.; Becerra González, J.; Bednarek, W.; Berdyugin, A.; Berger, K.; Bernardini, E.; Biland, A.; Blanch, O.; Bock, R. K.; Boller, A.; Bonnoli, G.; Borla Tridon, D.; Bosc...

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Autores: Aleksic, J., De Cea del Pozo, E., Domínguez, A., Hadasch, Daniela, Prada, Francisco, Torres, Diego F., Zandanel, Fabio
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2012
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/415652
Acceso en línea:http://hdl.handle.net/10261/415652
Access Level:acceso abierto
Palabra clave:Binaries: general
Stars: individual (LS I +61◦303)
X-rays: binarie
X-rays: individual (LS I +61◦303)
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oai_identifier_str oai:digital.csic.es:10261/415652
network_acronym_str ES
network_name_str España
repository_id_str
dc.title.none.fl_str_mv Detection of the γ-ray binary LSI +61°303 in a low-flux state at very high energy γ-rays with the magic telescopes in 2009
title Detection of the γ-ray binary LSI +61°303 in a low-flux state at very high energy γ-rays with the magic telescopes in 2009
spellingShingle Detection of the γ-ray binary LSI +61°303 in a low-flux state at very high energy γ-rays with the magic telescopes in 2009
Aleksic, J.
Binaries: general
Stars: individual (LS I +61◦303)
X-rays: binarie
X-rays: individual (LS I +61◦303)
title_short Detection of the γ-ray binary LSI +61°303 in a low-flux state at very high energy γ-rays with the magic telescopes in 2009
title_full Detection of the γ-ray binary LSI +61°303 in a low-flux state at very high energy γ-rays with the magic telescopes in 2009
title_fullStr Detection of the γ-ray binary LSI +61°303 in a low-flux state at very high energy γ-rays with the magic telescopes in 2009
title_full_unstemmed Detection of the γ-ray binary LSI +61°303 in a low-flux state at very high energy γ-rays with the magic telescopes in 2009
title_sort Detection of the γ-ray binary LSI +61°303 in a low-flux state at very high energy γ-rays with the magic telescopes in 2009
dc.creator.none.fl_str_mv Aleksic, J.
De Cea del Pozo, E.
Domínguez, A.
Hadasch, Daniela
Prada, Francisco
Torres, Diego F.
Zandanel, Fabio
author Aleksic, J.
author_facet Aleksic, J.
De Cea del Pozo, E.
Domínguez, A.
Hadasch, Daniela
Prada, Francisco
Torres, Diego F.
Zandanel, Fabio
author_role author
author2 De Cea del Pozo, E.
Domínguez, A.
Hadasch, Daniela
Prada, Francisco
Torres, Diego F.
Zandanel, Fabio
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv Federal Ministry of Education and Research (Germany)
Max Planck Society
Istituto Nazionale di Astrofisica
Swiss National Science Foundation
Ministerio de Ciencia e Innovación (España)
European Commission
Ministerio de Educación y Ciencia (España)
Bulgarian National Science Fund
Academy of Finland
Ministry of Science and Higher Education (Poland)
German Research Foundation
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Binaries: general
Stars: individual (LS I +61◦303)
X-rays: binarie
X-rays: individual (LS I +61◦303)
topic Binaries: general
Stars: individual (LS I +61◦303)
X-rays: binarie
X-rays: individual (LS I +61◦303)
description Full list of authors: Aleksić, J.; Alvarez, E. A.; Antonelli, L. A.; Antoranz, P.; Asensio, M.; Backes, M.; Barrio, J. A.; Bastieri, D.; Becerra González, J.; Bednarek, W.; Berdyugin, A.; Berger, K.; Bernardini, E.; Biland, A.; Blanch, O.; Bock, R. K.; Boller, A.; Bonnoli, G.; Borla Tridon, D.; Bosch-Ramon, V.; Braun, I.; Bretz, T.; Cañellas, A.; Carmona, E.; Carosi, A.; Colin, P.; Colombo, E.; Contreras, J. L.; Cortina, J.; Cossio, L.; Covino, S.; Dazzi, F.; De Angelis, A.; De Caneva, G.; De Cea del Pozo, E.; De Lotto, B.; Delgado Mendez, C.; Diago Ortega, A.; Doert, M.; Domínguez, A.; Dominis Prester, D.; Dorner, D.; Doro, M.; Elsaesser, D.; Ferenc, D.; Fonseca, M. V.; Font, L.; Fruck, C.; García López, R. J.; Garczarczyk, M.; Garrido, D.; Giavitto, G.; Godinović, N.; Hadasch, D.; Häfner, D.; Herrero, A.; Hildebrand, D.; Höhne-Mönch, D.; Hose, J.; Hrupec, D.; Huber, B.; Jogler, T.; Kellermann, H.; Klepser, S.; Krähenbühl, T.; Krause, J.; La Barbera, A.; Lelas, D.; Leonardo, E.; Lindfors, E.; Lombardi, S.; López, A.; López, M.; Lorenz, E.; Makariev, M.; Maneva, G.; Mankuzhiyil, N.; Mannheim, K.; Maraschi, L.; Mariotti, M.; Martínez, M.; Mazin, D.; Meucci, M.; Miranda, J. M.; Mirzoyan, R.; Miyamoto, H.; Moldón, J.; Moralejo, A.; Munar-Adrover, P.; Nieto, D.; Nilsson, K.; Orito, R.; Oya, I.; Paneque, D.; Paoletti, R.; Pardo, S.; Paredes, J. M.; Partini, S.; Pasanen, M.; Pauss, F.; Perez-Torres, M. A.; Persic, M.; Peruzzo, L.; Pilia, M.; Pochon, J.; Prada, F.; Prada Moroni, P. G.; Prandini, E.; Puljak, I.; Reichardt, I.; Reinthal, R.; Rhode, W.; Ribó, M.; Rico, J.; Rügamer, S.; Saggion, A.; Saito, K.; Saito, T. Y.; Salvati, M.; Satalecka, K.; Scalzotto, V.; Scapin, V.; Schultz, C.; Schweizer, T.; Shayduk, M.; Shore, S. N.; Sillanpää, A.; Sitarek, J.; Sobczynska, D.; Spanier, F.; Spiro, S.; Stamerra, A.; Steinke, B.; Storz, J.; Strah, N.; Surić, T.; Takalo, L.; Takami, H.; Tavecchio, F.; Temnikov, P.; Terzić, T.; Tescaro, D.; Teshima, M.; Tibolla, O.; Torres, D. F.; Treves, A.; Uellenbeck, M.; Vankov, H.; Vogler, P.; Wagner, R. M.; Weitzel, Q.; Zabalza, V.; Zandanel, F.; Zanin, R.
publishDate 2012
dc.date.none.fl_str_mv 2012
2026
2026
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Postprint
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/415652
url http://hdl.handle.net/10261/415652
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
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info:eu-repo/grantAgreement/MEC//CSD2007-00042
info:eu-repo/grantAgreement/MICINN//CSD2009-00064
http://dx.doi.org/10.1088/0004-637X/746/1/80
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv IOP Publishing
publisher.none.fl_str_mv IOP Publishing
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
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spelling Detection of the γ-ray binary LSI +61°303 in a low-flux state at very high energy γ-rays with the magic telescopes in 2009Aleksic, J.De Cea del Pozo, E.Domínguez, A.Hadasch, DanielaPrada, FranciscoTorres, Diego F.Zandanel, FabioBinaries: generalStars: individual (LS I +61◦303)X-rays: binarieX-rays: individual (LS I +61◦303)Full list of authors: Aleksić, J.; Alvarez, E. A.; Antonelli, L. A.; Antoranz, P.; Asensio, M.; Backes, M.; Barrio, J. A.; Bastieri, D.; Becerra González, J.; Bednarek, W.; Berdyugin, A.; Berger, K.; Bernardini, E.; Biland, A.; Blanch, O.; Bock, R. K.; Boller, A.; Bonnoli, G.; Borla Tridon, D.; Bosch-Ramon, V.; Braun, I.; Bretz, T.; Cañellas, A.; Carmona, E.; Carosi, A.; Colin, P.; Colombo, E.; Contreras, J. L.; Cortina, J.; Cossio, L.; Covino, S.; Dazzi, F.; De Angelis, A.; De Caneva, G.; De Cea del Pozo, E.; De Lotto, B.; Delgado Mendez, C.; Diago Ortega, A.; Doert, M.; Domínguez, A.; Dominis Prester, D.; Dorner, D.; Doro, M.; Elsaesser, D.; Ferenc, D.; Fonseca, M. V.; Font, L.; Fruck, C.; García López, R. J.; Garczarczyk, M.; Garrido, D.; Giavitto, G.; Godinović, N.; Hadasch, D.; Häfner, D.; Herrero, A.; Hildebrand, D.; Höhne-Mönch, D.; Hose, J.; Hrupec, D.; Huber, B.; Jogler, T.; Kellermann, H.; Klepser, S.; Krähenbühl, T.; Krause, J.; La Barbera, A.; Lelas, D.; Leonardo, E.; Lindfors, E.; Lombardi, S.; López, A.; López, M.; Lorenz, E.; Makariev, M.; Maneva, G.; Mankuzhiyil, N.; Mannheim, K.; Maraschi, L.; Mariotti, M.; Martínez, M.; Mazin, D.; Meucci, M.; Miranda, J. M.; Mirzoyan, R.; Miyamoto, H.; Moldón, J.; Moralejo, A.; Munar-Adrover, P.; Nieto, D.; Nilsson, K.; Orito, R.; Oya, I.; Paneque, D.; Paoletti, R.; Pardo, S.; Paredes, J. M.; Partini, S.; Pasanen, M.; Pauss, F.; Perez-Torres, M. A.; Persic, M.; Peruzzo, L.; Pilia, M.; Pochon, J.; Prada, F.; Prada Moroni, P. G.; Prandini, E.; Puljak, I.; Reichardt, I.; Reinthal, R.; Rhode, W.; Ribó, M.; Rico, J.; Rügamer, S.; Saggion, A.; Saito, K.; Saito, T. Y.; Salvati, M.; Satalecka, K.; Scalzotto, V.; Scapin, V.; Schultz, C.; Schweizer, T.; Shayduk, M.; Shore, S. N.; Sillanpää, A.; Sitarek, J.; Sobczynska, D.; Spanier, F.; Spiro, S.; Stamerra, A.; Steinke, B.; Storz, J.; Strah, N.; Surić, T.; Takalo, L.; Takami, H.; Tavecchio, F.; Temnikov, P.; Terzić, T.; Tescaro, D.; Teshima, M.; Tibolla, O.; Torres, D. F.; Treves, A.; Uellenbeck, M.; Vankov, H.; Vogler, P.; Wagner, R. M.; Weitzel, Q.; Zabalza, V.; Zandanel, F.; Zanin, R.We present very high energy (E > 100GeV) γ-ray observations of the γ-ray binary system LS I +61°303 obtained with the MAGIC stereo system between 2009 October and 2010 January. We detect a 6.3σ γ-ray signal above 400GeV in the combined data set. The integral flux above an energy of 300GeV is F(E > 300 GeV) = (1.4 ± 0.3stat ± 0.4syst) × 10-12 cm-2 s-1, which corresponds to about 1.3% of the Crab Nebula flux in the same energy range. The orbit-averaged flux of LS I +61°303 in the orbital phase interval 0.6-0.7, where a maximum of the TeV flux is expected, is lower by almost an order of magnitude compared to our previous measurements between 2005 September and 2008 January. This provides evidence for a new low-flux state in LS I +61°303. We find that the change to the low-flux state cannot be solely explained by an increase of photon-photon absorption around the compact star. © 2012. The American Astronomical Society. All rights reserved.We thank the Instituto de Astrof´ısica de Canarias for the excellent working conditions at the Observatorio del Roque de los Muchachos in La Palma. The support of the German BMBF and MPG, the Italian INFN, the Swiss National Fund SNF, and the Spanish MICINN is gratefully acknowledged. This work was also supported by the Marie Curie program, by the CPAN CSD2007-00042 and MultiDark CSD2009-00064 projects of the Spanish Consolider-Ingenio 2010 programme, by grant DO02-353 of the Bulgarian NSF, by grant 127740 of the Academy of Finland, by the YIP of the Helmholtz Gemeinschaft, by the DFG Cluster of Excellence “Origin and Structure of the Universe,” and by the Polish MNiSzW Grant N N203 390834. Facility: MAGICPeer reviewedIOP PublishingFederal Ministry of Education and Research (Germany)Max Planck SocietyIstituto Nazionale di AstrofisicaSwiss National Science FoundationMinisterio de Ciencia e Innovación (España)European CommissionMinisterio de Educación y Ciencia (España)Bulgarian National Science FundAcademy of FinlandMinistry of Science and Higher Education (Poland)German Research FoundationConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202620262012info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Postprintinfo:eu-repo/semantics/acceptedVersionhttp://hdl.handle.net/10261/415652reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/MEC//CSD2007-00042info:eu-repo/grantAgreement/MICINN//CSD2009-00064http://dx.doi.org/10.1088/0004-637X/746/1/80Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/4156522026-05-22T06:33:51Z
score 15,812455

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