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https://hdl.handle.net/2440/77400
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DC Field | Value | Language |
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dc.contributor.author | Rowell, Gavin Peter | en |
dc.contributor.author | Naurois, Mathieu De | en |
dc.contributor.author | Atai, Arache Djannati | en |
dc.contributor.author | Gallant, Yves A. | en |
dc.contributor.author | H.E.S.S. Collaboration | en |
dc.date.issued | 2012 | en |
dc.identifier.citation | AIP Conference Proceedings, 2012; 1505:273-276 | en |
dc.identifier.isbn | 9780735411234 | en |
dc.identifier.issn | 0094-243X | en |
dc.identifier.uri | http://hdl.handle.net/2440/77400 | - |
dc.description.abstract | We report the discovery, with the H.E.S.S. telescopes, of steady and extended VHE γ-ray emission towards the magnetar candidate SGR 1806-20 and parent stellar cluster C1 1806-20. Preliminary analysis suggests the VHE γ-ray flux of this source, designated HESS J1808-204 is a few×10−13 ph cm−2 s−1 TeV−1 at 1 TeV with a power-law photon spectral index Γ = 2.4±0.2. The instrinsic extension and orientation matches that of the synchrotron radio nebula G10.0-0.3 which may be powered by the luminous blue variable star LBV 1806-20, a prominent member of the C1 1806-20 cluster. From the energetics of the combined VHE, X-ray, and nearby Fermi-LAT GeV emission, magnetar magnetic energy may be a dominant source of energy over spin-down power, should SGR 1806-20 power the source. Alternatively, C1 1806-20 and/or LBV 1806-20 by itself, via stellar winds, could supply sufficient energy. | en |
dc.description.statementofresponsibility | Gavin Rowell, Mathieu De Naurois, Arache Djannati Ataï, Yves Gallant, and H.E.S.S. Collaboration | en |
dc.language.iso | en | en |
dc.publisher | American Institute of Physics | en |
dc.rights | © 2012 American Institute of Physics | en |
dc.title | Extended VHE γ-ray emission towards SGR1806-20 and stellar cluster C1 1806-20 | en |
dc.title.alternative | Extended VHE gamma-ray emission towards SGR1806-20 and stellar cluster C1 1806-20 | en |
dc.type | Conference paper | en |
dc.contributor.school | School of Chemistry and Physics | en |
dc.contributor.conference | International Meeting on High Energy Gamma-Ray Astronomy (5th : Heidelberg, Germany : 9-13 July 2012) | en |
dc.identifier.doi | 10.1063/1.4772250 | en |
Appears in Collections: | IPAS publications |
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