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Molecular Evolution in the First Hydrostatic Core Phase Adapting Three-Dimensional Radiation Hydrodynamic Simulations

dc.contributor.authorFURUYA, K.
dc.contributor.authorAIKAWA, Y.
dc.contributor.authorTOMIDA, K.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorMATSUMOTO, T.
hal.structure.identifierInstitut de biologie et chimie des protéines [Lyon] [IBCP]
dc.contributor.authorSAIGO, K.
dc.contributor.authorTOMISAKA, K.
hal.structure.identifierFORMATION STELLAIRE 2013
dc.contributor.authorHERSANT, F.
hal.structure.identifierAMOR 2013
dc.contributor.authorWAKELAM, Valentine
dc.date.issued2013-10
dc.date.conference2013
dc.description.abstractEnWe investigate the molecular evolution that develops as star formation proceeds from molecular cloud cores to first hydrostatic cores in three spatial dimensions. We perform a radiation hydrodynamic simulation in order to trace fluid parcels, in which molecular evolution is investigated, using a gas-grain chemical network model. The abundances of gaseous molecules in the warm envelope and the outer layer of the first core (T < 500 K) are mainly determined via evaporation of ice mantles, which are formed in a cold era (˜10 K). We find that large organic molecules, such as CH3OH, are associated with the first core (r < 10 AU). This result suggest that first cores and the surrounding warm envelopes could be observed as very compact hot corinos without stellar signatures, and large organic molecules could be useful to trace first cores.
dc.language.isoen
dc.source.titleNew Trends in Radio Astronomy in the ALMA Era: The 30th Anniversary of Nobeyama Radio Observatory. Proceedings of a Symposium held in Hakone, Japan 3-8 December 2012. ASP Conference Series, Vol. 476. San Francisco: Astronomical Society of the Pacific, 2013., p.385
dc.title.enMolecular Evolution in the First Hydrostatic Core Phase Adapting Three-Dimensional Radiation Hydrodynamic Simulations
dc.typeCommunication dans un congrès
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]
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Cosmologie et astrophysique extra-galactique [astro-ph.CO]
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Cosmologie et astrophysique extra-galactique [astro-ph.CO]
bordeaux.page385
bordeaux.volume476
bordeaux.conference.title-
bordeaux.countryJP
bordeaux.title.proceedingNew Trends in Radio Astronomy in the ALMA Era: The 30th Anniversary of Nobeyama Radio Observatory. Proceedings of a Symposium held in Hakone, Japan 3-8 December 2012. ASP Conference Series, Vol. 476. San Francisco: Astronomical Society of the Pacific, 2013., p.385
bordeaux.conference.cityHakone
bordeaux.peerReviewedoui
hal.identifierhal-00871286
hal.version1
hal.invitednon
hal.proceedingsoui
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00871286v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.btitle=New%20Trends%20in%20Radio%20Astronomy%20in%20the%20ALMA%20Era:%20The%2030th%20Anniversary%20of%20Nobeyama%20Radio%20Observatory.%20Proceedings%20of%20a%20Symposium%20hel&amp;rft.date=2013-10&amp;rft.volume=476&amp;rft.spage=385&amp;rft.epage=385&amp;rft.au=FURUYA,%20K.&amp;AIKAWA,%20Y.&amp;TOMIDA,%20K.&amp;MATSUMOTO,%20T.&amp;SAIGO,%20K.&amp;rft.genre=unknown


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