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hal.structure.identifierAMOR 2017
dc.contributor.authorMAJUMDAR, Liton
hal.structure.identifierAMOR 2017
dc.contributor.authorGRATIER, P.
dc.contributor.authorANDRON, I.
hal.structure.identifierAMOR 2017
dc.contributor.authorWAKELAM, Valentine
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
dc.contributor.authorCAUX, E.
dc.date.issued2017-01
dc.identifier.issn0035-8711
dc.description.abstractEnCyclic-C3HD (c-C3HD) is a singly deuterated isotopologue of c-C3H2, which is one of the most abundant and widespread molecules in our Galaxy. We observed IRAS 16293-2422 in the 3 mm band with a single frequency setup using the EMIR heterodyne 3 mm receiver of the IRAM 30m telescope. We observed seven lines of c-C3HD and three lines of c-C3H2. Observed abundances are compared with astrochemical simulations using the NAUTILUS gas-grain chemical model. Our results clearly show that c-C3HD can be used as an important supplement for studying chemistry and physical conditions for cold environments. Assuming that the size of the protostellar envelope is 3000 AU and same excitation temperatures for both c-C3H2 and c-C3HD, we obtain a deuterium fraction of $14_{-3}^{+4}\%$.
dc.language.isoen
dc.publisherOxford University Press (OUP): Policy P - Oxford Open Option A
dc.subject.enAstrophysics - Astrophysics of Galaxies
dc.title.enA study of singly deuterated cyclopropenylidene c-C3HD in protostar IRAS 16293-2422
dc.typeArticle de revue
dc.identifier.doi10.1093/mnras/stx259
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Cosmologie et astrophysique extra-galactique [astro-ph.CO]
dc.identifier.arxiv1701.08522
bordeaux.journalMonthly Notices of the Royal Astronomical Society
bordeaux.page3525-3532
bordeaux.volume467
bordeaux.issue3
bordeaux.peerReviewedoui
hal.identifierhal-01451606
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01451606v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Monthly%20Notices%20of%20the%20Royal%20Astronomical%20Society&rft.date=2017-01&rft.volume=467&rft.issue=3&rft.spage=3525-3532&rft.epage=3525-3532&rft.eissn=0035-8711&rft.issn=0035-8711&rft.au=MAJUMDAR,%20Liton&GRATIER,%20P.&ANDRON,%20I.&WAKELAM,%20Valentine&CAUX,%20E.&rft.genre=article


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