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dc.contributor.authorMaxted, N.-
dc.contributor.authorBurton, M.-
dc.contributor.authorBraiding, C.-
dc.contributor.authorRowell, G.-
dc.contributor.authorSano, H.-
dc.contributor.authorVoisin, F.-
dc.contributor.authorCapasso, M.-
dc.contributor.authorPuehlhofer, G.-
dc.contributor.authorFukui, Y.-
dc.identifier.citationMonthly Notices of the Royal Astronomical Society, 2018; 474(1):662-676-
dc.description.abstractThe shell-type supernova remnant HESS J1731 − 347 emits TeV gamma-rays, and is a key object for the study of the cosmic ray acceleration potential of supernova remnants. We use 0.5–1 arcmin Mopra CO/CS(1–0) data in conjunction with HI data to calculate column densities towards the HESS J1731 − 347 region. We trace gas within at least four Galactic arms, typically tracing total (atomic+molecular) line-of-sight H column densities of 2–3× 10²² cm⁻². Assuming standard X-factor values and that most of the HI/CO emission seen towards HESS J1731 − 347 is on the near-side of the Galaxy, X-ray absorption column densities are consistent with HI+CO-derived column densities foreground to, but not beyond, the Scutum–Crux Galactic arm, suggesting a kinematic distance of ∼3.2 kpc for HESS J1731 − 347. At this kinematic distance, we also find dense, infrared-dark gas traced by CS(1–0) emission coincident with the north of HESS J1731 − 347, the nearby HII region G353.43−0.37 and the nearby unidentified gamma-ray source HESS J1729 − 345. This dense gas lends weight to the idea that HESS J1729 − 345 and HESS J1731 − 347 are connected, perhaps via escaping cosmic-rays.-
dc.description.statementofresponsibilityN. Maxted, M. Burton, C. Braiding, G. Rowell, H. Sano, F. Voisin, M. Capasso, G. Pühlhofer and Y. Fukui-
dc.publisherOxford University Press-
dc.rights© 2017 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society-
dc.titleProbing the local environment of the supernova remnant HESS J1731-347 with CO and CS observations-
dc.typeJournal article-
dc.identifier.orcidRowell, G. [0000-0002-9516-1581]-
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