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Infrared dust emission in the outer disk of M51

hal.structure.identifierDepartment of Physics and Astronomy [Lewisburg]
dc.contributor.authorTHORNLEY, M. D.
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
dc.contributor.authorBRAINE, J.
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
dc.contributor.authorGARDAN, E.
dc.date.created2006
dc.date.issued2006
dc.identifier.issn2041-8205
dc.description.abstractEnWe examine faint infrared emission features detected in Spitzer Space Telescope images of M51, which are associated with atomic hydrogen in the outer disk and tidal tail at R greater than R_25 (4.9', ~14 kpc at d=9.6 Mpc). The infrared colors of these features are consistent with the colors of dust associated with star formation in the bright disk. However, the star formation efficiency (as a ratio of star formation rate to neutral gas mass) implied in the outer disk is lower than that in the bright disk of M51 by an order of magnitude, assuming a similar relationship between infrared emission and star formation rate in the inner and outer disks.
dc.language.isoen
dc.publisherBristol : IOP Publishing
dc.subject.engalaxies:individual(M51
dc.subject.enNGC 5194)—galaxies:spiral—galaxies:ISM— galaxies:structure—infrared:galaxies
dc.title.enInfrared dust emission in the outer disk of M51
dc.typeArticle de revue
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Cosmologie et astrophysique extra-galactique [astro-ph.CO]
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]
dc.identifier.arxivastro-ph/0610256
bordeaux.journalThe Astrophysical journal letters
bordeaux.pageL101–L105
bordeaux.volume651-2
bordeaux.peerReviewedoui
hal.identifierhal-00106756
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00106756v1
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