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Physical conditions and molecular chemistry of the Central Molecular Zone

hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
dc.contributor.authorRODRIGUEZ‐FERNANDEZ, Nemesio
dc.contributor.authorALL, And
dc.date.issued2006
dc.date.conference2006
dc.description.abstractEnWe discuss the physical conditions of the different kineniatical components of the Central Molecular Zone. In particular we compare the properties of the clouds moving with in elongated orbits along the Galactic bar with those of the well-known Galactic center ring (GCR) clouds (Sgr A, Sgr B2,...). We show that all the components contain dense clouds that can withstand the tidal shear. The SiO abundance in the clouds with non-circular velocities is high (~ 10−8), in perfect agreement with that of the GCR clouds. We discuss the role of the UV radiation and C-shocks in the heating of the neutral gas and the high abundances of some molecules like SiO. The SiO emission in the clouds moving in elongated trajectories is probably due to the cloud collisions expected in the inner regions of a bar.
dc.language.isoen
dc.source.title10.1088/1742-6596/54/1/006
dc.title.enPhysical conditions and molecular chemistry of the Central Molecular Zone
dc.typeCommunication dans un congrès
dc.identifier.doi10.1088/1742-6596/54/1/006
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Astrophysique stellaire et solaire [astro-ph.SR]
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Astrophysique stellaire et solaire [astro-ph.SR]
bordeaux.page35-41
bordeaux.volume54
bordeaux.issue-
bordeaux.countryFR
bordeaux.title.proceeding10.1088/1742-6596/54/1/006
bordeaux.conference.city-
bordeaux.peerReviewedoui
hal.identifierhal-00482739
hal.version1
hal.invitednon
hal.proceedingsoui
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00482739v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.btitle=10.1088/1742-6596/54/1/006&rft.date=2006&rft.volume=54&rft.issue=-&rft.spage=35-41&rft.epage=35-41&rft.au=RODRIGUEZ%E2%80%90FERNANDEZ,%20Nemesio&ALL,%20And&rft.genre=unknown


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