Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/69074
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dc.contributor.authorClay, R.en
dc.contributor.authorStamatescu, V.en
dc.contributor.authorSwaby, D.en
dc.date.issued2011en
dc.identifier.citationAstrophysical Journal, 2011; 740(2):78-1-78-9en
dc.identifier.issn0004-637Xen
dc.identifier.issn1538-4357en
dc.identifier.urihttp://hdl.handle.net/2440/69074-
dc.description.abstractWe report the detection, with the CANGAROO-III imaging atmospheric Cherenkov telescope array, of a very high energy gamma-ray signal from the unidentified gamma-ray source HESS J1614–518, which was discovered in the H.E.S.S. Galactic plane survey. Diffuse gamma-ray emission was detected above 760 GeV at the 8.9σ level during an effective exposure of 54 hr from 2008 May to August. The spectrum can be represented by a power law: (8.2 ± 2.2stat ± 2.5sys) × 10–12 × (E/1 TeV)–γ cm–2 s–1 TeV–1 with a photon index γ of 2.4 ± 0.3stat ± 0.2sys, which is compatible with that of the H.E.S.S. observations. By combining our result with multiwavelength data, we discuss the possible counterparts for HESS J1614–518 and consider radiation mechanisms based on hadronic and leptonic processes for a supernova remnant (SNR), stellar winds from massive stars, and a pulsar wind nebula (PWN). Although a leptonic origin from a PWN driven by an unknown pulsar remains possible, hadronic-origin emission from an unknown SNR is preferred.en
dc.description.statementofresponsibilityT. Mizukami... R. W. Clay... V. Stamatescu... D. L. Swaby... et al.en
dc.language.isoenen
dc.publisherUniv Chicago Pressen
dc.rightsCopyright 2011. The American Astronomical Society. All rights reserved. Printed in the U.S.A.en
dc.subjectgamma rays: ISM; ISM: individual objects (HESS J1614–518)en
dc.titleCANGAROO-III observation of TeV gamma rays from the unidentified gamma-ray source HESS J1614-518en
dc.typeJournal articleen
dc.identifier.rmid0020113485en
dc.identifier.doi10.1088/0004-637X/740/2/78en
dc.identifier.pubid27399-
pubs.library.collectionIPAS publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidClay, R. [0000-0002-9040-9648]en
Appears in Collections:IPAS publications

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