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HESS J1640-465 - an exceptionally luminous TeV -ray supernova remnant
Ist Teil von
Monthly notices of the Royal Astronomical Society, 2014-04, Vol.439 (3), p.2828-2836
Ort / Verlag
London: Oxford University Press
Erscheinungsjahr
2014
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
The results of follow-up observations of the TeV ...-ray source HESS J1640-465 from 2004 to 2011 with the High Energy Stereoscopic System (HESS) are reported in this work. The spectrum is well described by an exponential cut-off power law with photon index ... = 2.11 ± 0.09... ± 0.10..., and a cut-off energy of E...=6.0... TeV. The TeV emission is significantly extended and overlaps with the northwestern part of the shell of the SNR G338.3-0.0. The new HESS results, a re-analysis of archival XMM-Newton data and multiwavelength observations suggest that a significant part of the ...-ray emission from HESS J1640-465 originates in the supernova remnant shell. In a hadronic scenario, as suggested by the smooth connection of the GeV and TeV spectra, the product of total proton energy and mean target density could be as high as WpnH ~ 4 x 10...(d/10kpc)... erg cm... (ProQuest: ... denotes formulae/symbols omitted.)