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ALMA discovery of a rotating SO/SO2 flow in HH212
hal.structure.identifier | Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA] | |
dc.contributor.author | TABONE, B. | |
hal.structure.identifier | Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA] | |
dc.contributor.author | CABRIT, S. | |
dc.contributor.author | BIANCHI, E. | |
dc.contributor.author | FERREIRA, J. | |
hal.structure.identifier | Institut d'astrophysique spatiale [IAS] | |
hal.structure.identifier | Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA] | |
dc.contributor.author | PINEAU DES FORÊTS, G. | |
dc.contributor.author | CODELLA, C. | |
hal.structure.identifier | Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA] | |
dc.contributor.author | GUSDORF, A. | |
hal.structure.identifier | Institut de RadioAstronomie Millimétrique [IRAM] | |
dc.contributor.author | GUETH, F. | |
hal.structure.identifier | INAF - Osservatorio Astrofisico di Arcetri [OAA] | |
dc.contributor.author | PODIO, L. | |
hal.structure.identifier | AMOR 2017 | |
dc.contributor.author | CHAPILLON, E. | |
dc.date.issued | 2017-11 | |
dc.identifier.issn | 0004-6361 | |
dc.description.abstractEn | We wish to constrain the possible contribution of a magnetohydrodynamic disk wind (DW) to the HH212 molecular jet. We mapped the flow base with ALMA Cycle 4 at 0.̋13 ~ 60 au resolution and compared these observations with synthetic DW predictions. We identified, in SO/SO2, a rotating flow that is wider and slower than the axial SiO jet. The broad outflow cavity seen in C34S is not carved by a fast wide-angle wind but by this slower agent. Rotation signatures may be fitted by a DW of a moderate lever arm launched out to ~40 au with SiO tracing dust-free streamlines from 0.05−0.3 au. Such a DW could limit the core-to-star efficiency to ≤50%. | |
dc.language.iso | en | |
dc.publisher | EDP Sciences | |
dc.subject.en | stars: formation | |
dc.subject.en | ISM: jets and outflows | |
dc.subject.en | ISM: individual objects: HH212 | |
dc.title.en | ALMA discovery of a rotating SO/SO2 flow in HH212 | |
dc.title.en | A possible MHD disk wind? | |
dc.type | Article de revue | |
dc.identifier.doi | 10.1051/0004-6361/201731691 | |
dc.subject.hal | Physique [physics]/Astrophysique [astro-ph] | |
dc.subject.hal | Physique [physics]/Astrophysique [astro-ph] | |
bordeaux.journal | Astronomy and Astrophysics - A&A | |
bordeaux.page | L6 | |
bordeaux.volume | 607 | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-02238172 | |
hal.version | 1 | |
hal.popular | non | |
hal.audience | Internationale | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-02238172v1 | |
bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Astronomy%20and%20Astrophysics%20-%20A&A&rft.date=2017-11&rft.volume=607&rft.spage=L6&rft.epage=L6&rft.eissn=0004-6361&rft.issn=0004-6361&rft.au=TABONE,%20B.&CABRIT,%20S.&BIANCHI,%20E.&FERREIRA,%20J.&PINEAU%20DES%20FOR%C3%8ATS,%20G.&rft.genre=article |
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