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dc.contributor.author
Abdo, A. A.
dc.contributor.author
Ackermann, M.
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Ajello, M.
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Baldini, L.
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Ballet, J.
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Barbiellini, G.
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Bastieri, D.
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Baughman, B. M.
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Bechtol, K.
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Bellazzini, R.
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Berenji, B.
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Blandford, R. D.
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Bloom, E. D.
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Bonamente, E.
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Borgland, A. W.
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Bregeon, J.
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Brez, A.
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Brigida, M.
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Bruel, P.
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Burnett, T. H.
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Buson, S.
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Caliandro, G. A.
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Cameron, R. A.
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Caraveo, P. A.
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Casandjian, J. M.
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Cecchi, C.
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Celik, O.
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Chekhtman, A.
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Cheung, C. C.
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Chiang, J.
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Cillis, Analia Nilda
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Fermi-LAT Collaboration
dc.date.available
2017-06-29T18:44:28Z
dc.date.issued
2010-03-20
dc.identifier.citation
Abdo, A. A.; Ackermann, M.; Ajello, M.; Baldini, L.; Ballet, J.; et al.; Observation of Supernova Remnant IC 443 with the Fermi Large Area Telescope; IOP Publishing; Astrophysical Journal; 712; 1; 20-3-2010; 459-468
dc.identifier.issn
0004-637X
dc.identifier.uri
http://hdl.handle.net/11336/19154
dc.description.abstract
We report observation of the supernova remnant (SNR) IC 443 (G189.1+3.0) with the Fermi Gamma-ray Space Telescope Large Area Telescope (LAT) in the energy band between 200 MeV and 50 GeV. IC 443 is a shell-type SNR with mixed morphology located off the outer Galactic plane where high-energy emission has been detected in the X-ray, GeV and TeV gamma-ray bands. Past observations suggest IC 443 has been interacting with surrounding interstellar matter. Proximity between dense shocked molecular clouds and GeV-TeV gamma-ray emission regions detected by EGRET, MAGIC, and VERITAS suggests an interpretation that cosmic-ray (CR) particles are accelerated by the SNR. With the high gamma-ray statistics and broad energy coverage provided by the LAT, we accurately characterize the gamma-ray emission produced by the CRs accelerated at IC 443. The emission region is extended in the energy band with θ68 = 0fdg27 ± 0fdg01(stat) ± 0fdg03(sys) for an assumed two-dimensional Gaussian profile and overlaps almost completely with the extended source region of VERITAS. Its centroid is displaced significantly from the known pulsar wind nebula (PWN) which suggests the PWN is not the major contributor in the present energy band. The observed spectrum changes its power-law slope continuously and continues smoothly to the MAGIC and VERITAS data points. The combined gamma-ray spectrum (200 MeV <E< 2 TeV) is reproduced well by decays of neutral pions produced by a broken power-law proton spectrum with a break around 70 GeV.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
IOP Publishing
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Gamma Rays
dc.subject
Supernovae
dc.subject
Ic443
dc.subject.classification
Astronomía
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Observation of Supernova Remnant IC 443 with the Fermi Large Area Telescope
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-06-26T19:48:48Z
dc.journal.volume
712
dc.journal.number
1
dc.journal.pagination
459-468
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: Abdo, A. A.. Spece Sciences División. Naval Research Laboratory; Estados Unidos. National Academy of Sciences; Estados Unidos
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Fil: Ackermann, M.. University Of Stanford; Estados Unidos
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Fil: Ajello, M.. University Of Stanford; Estados Unidos
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Fil: Baldini, L.. Istituto Nazionale di Fisica Nucleare; Italia
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Fil: Ballet, J.. Universite Paris Diderot; Francia
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Fil: Barbiellini, G.. Universita di Trieste; Italia
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Fil: Bastieri, D.. Universita Di Padova; Italia
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Fil: Baughman, B. M.. Ohio State University; Estados Unidos
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Fil: Bechtol, K.. University Of Stanford; Estados Unidos
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Fil: Bellazzini, R.. Istituto Nazionale di Fisica Nucleare; Italia
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Fil: Berenji, B.. University Of Stanford; Estados Unidos
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Fil: Blandford, R. D.. University Of Stanford; Estados Unidos
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Fil: Bloom, E. D.. University Of Stanford; Estados Unidos
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Fil: Bonamente, E.. Universita degli Studi di Perugia; Italia
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Fil: Borgland, A. W.. University Of Stanford; Estados Unidos
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Fil: Bregeon, J.. Istituto Nazionale di Fisica Nucleare; Italia
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Fil: Brez, A.. Istituto Nazionale di Fisica Nucleare; Italia
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Fil: Brigida, M.. Universita e del Politecnico di Bari; Italia
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Fil: Bruel, P.. Ecole Polytechnique; Francia
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Fil: Burnett, T. H.. University of Washington; Estados Unidos
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Fil: Buson, S.. Universita Di Padova; Italia
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Fil: Caliandro, G. A.. Universita e del Politecnico di Bari; Italia
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Fil: Cameron, R. A.. University Of Stanford; Estados Unidos
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Fil: Caraveo, P. A.. Istituto di Astrofisica Spaziale e Fisica Cosmica; Italia
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Fil: Casandjian, J. M.. Université Paris Diderot - Paris 7; Francia
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Fil: Cecchi, C.. Universita degli Studi di Perugia; Italia
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Fil: Celik, O.. National Aeronautics And Space Administration. Goddart Institute For Space Studies; Estados Unidos
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Fil: Chekhtman, A.. Space Science Division; Estados Unidos
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Fil: Cheung, C. C.. National Aeronautics And Space Administration. Goddart Institute For Space Studies; Estados Unidos
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Fil: Chiang, J.. University Of Stanford; Estados Unidos
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Fil: Cillis, Analia Nilda. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina
dc.description.fil
Fil: Fermi-LAT Collaboration.
dc.journal.title
Astrophysical Journal
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://iopscience.iop.org/0004-637X/712/1/459/pdf/apj_712_1_459.pdf
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1002.2198
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1088/0004-637X/712/1/459


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