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Article: Discovery of TeV gamma-ray emission from the cygnus region of the galaxy

TitleDiscovery of TeV gamma-ray emission from the cygnus region of the galaxy
Authors
KeywordsAcceleration Of Particles
Cosmic Rays
Gamma Rays: Observations
Pulsars: Individual (G75.2+0.1)
Issue Date2007
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205
Citation
Astrophysical Journal Letters, 2007, v. 658 n. 1 II, p. L33-L36 How to Cite?
AbstractThe diffuse gamma radiation arising from the interaction of cosmic-ray particles with matter and radiation in the Galaxy is one of the few probes available to study the origin of the cosmic rays. Data from the Milagro gamma-ray observatory - a water Cerenkov detector that continuously views ∼2 sr of the overhead sky - shows that the brightest extended region in the entire northern sky is the Cygnus region of the Galactic plane. The TeV image of the Cygnus region contains at least one new source, MGRO J2019+37, which is 10.9 σ above the isotropic background, as well as correlations with the matter density in the region. However, the gamma-ray flux from the Cygnus region (after excluding MGRO J2019+37) as measured at ∼12 TeV exceeds that predicted from a model of cosmic-ray production and propagation. This observation indicates the existence of either hard-spectrum cosmic-ray sources and/or unresolved sources of TeV gamma rays in the region. © 2007. The American Astronomical Society. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/188356
ISSN
2015 Impact Factor: 5.487
2015 SCImago Journal Rankings: 3.369
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorAbdu, AAen_US
dc.contributor.authorAllen, Ben_US
dc.contributor.authorBerley, Den_US
dc.contributor.authorBlaufuss, Een_US
dc.contributor.authorCasanova, Sen_US
dc.contributor.authorChen, Cen_US
dc.contributor.authorCoyne, DGen_US
dc.contributor.authorDelay, RSen_US
dc.contributor.authorDingus, BLen_US
dc.contributor.authorEllsworth, RWen_US
dc.contributor.authorFleysher, Len_US
dc.contributor.authorFleysher, Ren_US
dc.contributor.authorGebauer, Ien_US
dc.contributor.authorGonzalez, MMen_US
dc.contributor.authorGoodman, JAen_US
dc.contributor.authorHays, Een_US
dc.contributor.authorHuffman, CMen_US
dc.contributor.authorKolterman, BEen_US
dc.contributor.authorKelley, LAen_US
dc.contributor.authorLansdell, CPen_US
dc.contributor.authorLinnemann, JTen_US
dc.contributor.authorMcenery, JEen_US
dc.contributor.authorMincer, AIen_US
dc.contributor.authorMoskalenko, IVen_US
dc.contributor.authorNemethy, Pen_US
dc.contributor.authorNoyes, Den_US
dc.contributor.authorRyan, JMen_US
dc.contributor.authorSamuelson, FWen_US
dc.contributor.authorSaz Parkinson, PMen_US
dc.contributor.authorSchneider, Men_US
dc.contributor.authorShoup, Aen_US
dc.contributor.authorSinnis, Gen_US
dc.contributor.authorSmith, AJen_US
dc.contributor.authorStrong, AWen_US
dc.contributor.authorSullivan, GWen_US
dc.contributor.authorVasileiou, Ven_US
dc.contributor.authorWalker, GPen_US
dc.contributor.authorWilliams, DAen_US
dc.contributor.authorXu, XWen_US
dc.contributor.authorYodh, GBen_US
dc.date.accessioned2013-09-03T04:03:36Z-
dc.date.available2013-09-03T04:03:36Z-
dc.date.issued2007en_US
dc.identifier.citationAstrophysical Journal Letters, 2007, v. 658 n. 1 II, p. L33-L36en_US
dc.identifier.issn2041-8205en_US
dc.identifier.urihttp://hdl.handle.net/10722/188356-
dc.description.abstractThe diffuse gamma radiation arising from the interaction of cosmic-ray particles with matter and radiation in the Galaxy is one of the few probes available to study the origin of the cosmic rays. Data from the Milagro gamma-ray observatory - a water Cerenkov detector that continuously views ∼2 sr of the overhead sky - shows that the brightest extended region in the entire northern sky is the Cygnus region of the Galactic plane. The TeV image of the Cygnus region contains at least one new source, MGRO J2019+37, which is 10.9 σ above the isotropic background, as well as correlations with the matter density in the region. However, the gamma-ray flux from the Cygnus region (after excluding MGRO J2019+37) as measured at ∼12 TeV exceeds that predicted from a model of cosmic-ray production and propagation. This observation indicates the existence of either hard-spectrum cosmic-ray sources and/or unresolved sources of TeV gamma rays in the region. © 2007. The American Astronomical Society. All rights reserved.en_US
dc.languageengen_US
dc.publisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205en_US
dc.relation.ispartofAstrophysical Journal Lettersen_US
dc.subjectAcceleration Of Particlesen_US
dc.subjectCosmic Raysen_US
dc.subjectGamma Rays: Observationsen_US
dc.subjectPulsars: Individual (G75.2+0.1)en_US
dc.titleDiscovery of TeV gamma-ray emission from the cygnus region of the galaxyen_US
dc.typeArticleen_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1086/513696en_US
dc.identifier.scopuseid_2-s2.0-34047234914en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34047234914&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume658en_US
dc.identifier.issue1 IIen_US
dc.identifier.spageL33en_US
dc.identifier.epageL36en_US
dc.identifier.isiWOS:000244929400009-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridAbdu, AA=53873483600en_US
dc.identifier.scopusauthoridAllen, B=36551088700en_US
dc.identifier.scopusauthoridBerley, D=35236204300en_US
dc.identifier.scopusauthoridBlaufuss, E=35236361600en_US
dc.identifier.scopusauthoridCasanova, S=22833640200en_US
dc.identifier.scopusauthoridChen, C=7501964942en_US
dc.identifier.scopusauthoridCoyne, DG=7005444095en_US
dc.identifier.scopusauthoridDelay, RS=6701438381en_US
dc.identifier.scopusauthoridDingus, BL=35313328300en_US
dc.identifier.scopusauthoridEllsworth, RW=7006640160en_US
dc.identifier.scopusauthoridFleysher, L=6603281083en_US
dc.identifier.scopusauthoridFleysher, R=6603340002en_US
dc.identifier.scopusauthoridGebauer, I=53873897400en_US
dc.identifier.scopusauthoridGonzalez, MM=34770297100en_US
dc.identifier.scopusauthoridGoodman, JA=7402289255en_US
dc.identifier.scopusauthoridHays, E=35229539600en_US
dc.identifier.scopusauthoridHuffman, CM=7004213513en_US
dc.identifier.scopusauthoridKolterman, BE=16177916700en_US
dc.identifier.scopusauthoridKelley, LA=7102318127en_US
dc.identifier.scopusauthoridLansdell, CP=38561715700en_US
dc.identifier.scopusauthoridLinnemann, JT=7405293979en_US
dc.identifier.scopusauthoridMcenery, JE=6603930996en_US
dc.identifier.scopusauthoridMincer, AI=53873483600en_US
dc.identifier.scopusauthoridMoskalenko, IV=36551088700en_US
dc.identifier.scopusauthoridNemethy, P=35236204300en_US
dc.identifier.scopusauthoridNoyes, D=35236361600en_US
dc.identifier.scopusauthoridRyan, JM=22833640200en_US
dc.identifier.scopusauthoridSamuelson, FW=7501964942en_US
dc.identifier.scopusauthoridSaz Parkinson, PM=7005444095en_US
dc.identifier.scopusauthoridSchneider, M=6701438381en_US
dc.identifier.scopusauthoridShoup, A=35313328300en_US
dc.identifier.scopusauthoridSinnis, G=7006640160en_US
dc.identifier.scopusauthoridSmith, AJ=6603281083en_US
dc.identifier.scopusauthoridStrong, AW=6603340002en_US
dc.identifier.scopusauthoridSullivan, GW=53873897400en_US
dc.identifier.scopusauthoridVasileiou, V=34770297100en_US
dc.identifier.scopusauthoridWalker, GP=7402289255en_US
dc.identifier.scopusauthoridWilliams, DA=35229539600en_US
dc.identifier.scopusauthoridXu, XW=7004213513en_US
dc.identifier.scopusauthoridYodh, GB=16177916700en_US

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