XMM-Newton observations of the supernova remnant IC443: I. soft X-ray emission from shocked interstellar medium

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dc.creatorTroja, E.
dc.creatorBocchino, F.
dc.creatorReale, F.
dc.date2006-06-13
dc.date.accessioned2026-07-07T10:39:17Z
dc.date.available2026-07-07T10:39:17Z
dc.descriptionThe shocked interstellar medium around IC443 produces strong X-ray emission in the soft energy band (E<1.5 keV). We present an analysis of such emission as observed with the EPIC MOS cameras on board the XMM-Newotn observatory, with the purpose to find clear signatures of the interactions with the interstellar medium (ISM) in the X-ray band, which may complement results obtained in other wavelenghts. We found that the giant molecular cloud mapped in CO emission is located in the foreground and gives an evident signature in the absorption of X-rays. This cloud may have a torus shape and the part of torus interacting with the IC443 shock gives rise to 2MASS-K emission in the southeast. The measured density of emitting X-ray shocked plasma increases toward the northeastern limb, where the remnant is interacting with an atomic cloud. We found an excellent correlation between emission in the 0.3-0.5 keV band and bright optical/radio filament on large spatial scales. The partial shell structure seen in this band therefore traces the encounter with the atomic cloud.
dc.description10 pages, 10 figures, accepted for publication in ApJ (20 September 2006, v649). For hi-res figures, see http://www.astropa.unipa.it/Library/OAPA_preprints/ic443ele1.ps.gz
dc.identifierhttps://arxiv.org/abs/astro-ph/0606313
dc.identifierhttp://arxiv.org/abs/astro-ph/0606313
dc.identifierAstrophys.J.649:258-267,2006
dc.identifierdoi:10.1086/506378
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/180972
dc.subjectAstrophysics
dc.titleXMM-Newton observations of the supernova remnant IC443: I. soft X-ray emission from shocked interstellar medium
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