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hal.structure.identifierMax-Planck-Institut für Astronomie [MPIA]
dc.contributor.authorBEUTHER, H.
dc.contributor.authorTACKENBERG, J.
dc.contributor.authorLINZ, H.
hal.structure.identifierMax-Planck-Institut für Astronomie [MPIA]
dc.contributor.authorHENNING, Th.
hal.structure.identifierMax-Planck-Institut für Radioastronomie [MPIFR]
dc.contributor.authorSCHULLER, F.
hal.structure.identifierMax-Planck-Institut für Radioastronomie [MPIFR]
dc.contributor.authorWYROWSKI, F.
hal.structure.identifierI. Physikalisches Institut [Köln]
hal.structure.identifierMax Planck Institute for Radio Astronomy
dc.contributor.authorSCHILKE, P.
dc.contributor.authorMENTEN, K.
dc.contributor.authorROBITAILLE, T. P.
dc.contributor.authorWALMSLEY, C. M.
hal.structure.identifierDepartamento de Astronomia [DAS]
dc.contributor.authorBRONFMAN, L.
hal.structure.identifierAstrophysique Interprétation Modélisation [AIM (UMR7158 / UMR_E_9005 / UM_112)]
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorMOTTE, F.
hal.structure.identifierAstrophysique Interprétation Modélisation [AIM (UMR7158 / UMR_E_9005 / UM_112)]
dc.contributor.authorNGUYEN-LUONG, Q.
hal.structure.identifierFORMATION STELLAIRE 2012
dc.contributor.authorBONTEMPS, Sylvain
dc.date.issued2012
dc.identifier.issn0004-637X
dc.description.abstractEnThe ATLASGAL 870mum continuum survey conducted with the APEX telescope is the first survey covering the whole inner Galactic plane (60deg>l>-60deg & b<1.5deg) in submm continuum emission tracing the cold dust of dense and young star-forming regions. Here, we present the overall distribution of sources within our Galactic disk. The submm continuum emission is confined to a narrow range around the galactic plane, but shifted on average by ~0.07deg below the plane. Source number counts show strong enhancements toward the Galactic center, the spiral arms and toward prominent star-forming regions. Comparing the distribution of ATLASGAL dust continuum emission to that of young intermediate- to high-mass young stellar objects (YSOs) derived from Spitzer data, we find similarities as well as differences. In particular, the distribution of submm dust continuum emission is significantly more confined to the plane than the YSO distribution (FWHM of 0.7 and 1.1deg, corresponding to mean physical scale heights of approximately 46 and 80pc, respectively). While this difference may partly be caused by the large extinction from the dense submm cores, gradual dispersal of stellar distributions after their birth could also contribute to this effect. Compared to other tracers of Galactic structure, the ATLASGAL data are strongly confined to a narrow latitude strip around the Galactic plane.
dc.language.isoen
dc.publisherAmerican Astronomical Society
dc.title.enGalactic structure based on the ATLASGAL 870mum survey
dc.typeArticle de revue
dc.identifier.doi10.1088/0004-637X/747/1/43
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Astrophysique stellaire et solaire [astro-ph.SR]
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Astrophysique stellaire et solaire [astro-ph.SR]
dc.identifier.arxiv1112.4609
bordeaux.journalThe Astrophysical Journal
bordeaux.page43
bordeaux.volume747
bordeaux.issue1
bordeaux.peerReviewedoui
hal.identifierhal-00664699
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00664699v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=The%20Astrophysical%20Journal&amp;rft.date=2012&amp;rft.volume=747&amp;rft.issue=1&amp;rft.spage=43&amp;rft.epage=43&amp;rft.eissn=0004-637X&amp;rft.issn=0004-637X&amp;rft.au=BEUTHER,%20H.&amp;TACKENBERG,%20J.&amp;LINZ,%20H.&amp;HENNING,%20Th.&amp;SCHULLER,%20F.&amp;rft.genre=article


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