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HD141569A: Disk Dissipation Caught in Action

hal.structure.identifierAMOR 2016
dc.contributor.authorPERICAUD, J.
hal.structure.identifierAMOR 2016
dc.contributor.authorDI FOLCO, E.
hal.structure.identifierAMOR 2016
dc.contributor.authorDUTREY, Anne
dc.contributor.authorAUGEREAU, J.-C.,
dc.contributor.authorPIÉTU, V.,
hal.structure.identifierAMOR 2016
dc.contributor.authorGUILLOTEAU, S.
dc.date.issued2016
dc.date.conference2015-05-11
dc.description.abstractEnDebris disks are usually thought to be gas-poor, the gas being dissipated by accretion or evaporation during the protoplanetary phase. HD141569A is a 5 Myr old star harboring a famous debris disk, with multiple rings and spiral features. I present here the first PdBI maps of the 12CO(2-1), 13CO(2-1) gas and dust emission at 1.3 mm in this disk. The analysis reveals there is still a large amount of (primordial) gas extending out to 250 AU, i.e. inside the rings observed in scattered light. HD141569A is thus a hybrid disk with a huge debris component, where dust has evolved and is produced by collisions, with a large remnant reservoir of gas.
dc.language.isoen
dc.title.enHD141569A: Disk Dissipation Caught in Action
dc.typeCommunication dans un congrès
dc.identifier.doi10.1017/S1743921315006432
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Cosmologie et astrophysique extra-galactique [astro-ph.CO]
dc.identifier.arxiv1511.00845
bordeaux.page201 - 202
bordeaux.volume314
bordeaux.countryUS
bordeaux.conference.cityAtlanta
bordeaux.peerReviewedoui
hal.identifierhal-01225760
hal.version1
hal.invitednon
hal.proceedingsnon
hal.conference.end2015-05-15
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01225760v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.date=2016&rft.volume=314&rft.spage=201%20-%20202&rft.epage=201%20-%20202&rft.au=PERICAUD,%20J.&DI%20FOLCO,%20E.&DUTREY,%20Anne&AUGEREAU,%20J.-C.,&PI%C3%89TU,%20V.,&rft.genre=unknown


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