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Detection of interstellar oxidaniumyl: Abundant H2O+ towards the star-forming regions DR21, Sgr B2, and NGC6334

hal.structure.identifierLaboratoire Univers et Théories [LUTH (UMR_8102)]
hal.structure.identifierSRON Netherlands Institute for Space Research [SRON]
dc.contributor.authorOSSENKOPF, V.
dc.contributor.authorMÜLLER, H. S. P.
hal.structure.identifierCalifornia Institute of Technology [CALTECH]
dc.contributor.authorLIS, D. C.
hal.structure.identifierI. Physikalisches Institut [Köln]
hal.structure.identifierMax Planck Institute for Radio Astronomy
dc.contributor.authorSCHILKE, P.
dc.contributor.authorBELL, T. A.
hal.structure.identifierMax-Planck-Institut für Extraterrestrische Physik [MPE]
dc.contributor.authorBRUDERER, S.
hal.structure.identifierDepartment of Astronomy [Ann Arbor]
dc.contributor.authorBERGIN, E.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorCECCARELLI, C.
hal.structure.identifierMax Planck Institute for Radio Astronomy
dc.contributor.authorCOMITO, C.
hal.structure.identifierI. Physikalisches Institut [Köln]
dc.contributor.authorSTUTZKI, J.
hal.structure.identifierFORMATION STELLAIRE 2010
dc.contributor.authorBACMANN, A.
hal.structure.identifierFORMATION STELLAIRE 2010
dc.contributor.authorBAUDRY, Alain
hal.structure.identifierInstitute of Astronomy [ETH Zürich]
dc.contributor.authorBENZ, A. O.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorBENEDETTINI, M.
hal.structure.identifierLeiden Observatory [Leiden]
dc.contributor.authorBERNE, O.
hal.structure.identifierLabOratoire proCédés énergIe bâtimEnt [LOCIE]
dc.contributor.authorBLAKE, G.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorBOOGERT, A.
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
dc.contributor.authorBOTTINELLI, S.
hal.structure.identifierInstitut d'astrophysique spatiale [IAS]
dc.contributor.authorBOULANGER, F.
hal.structure.identifierLaboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA]
dc.contributor.authorCABRIT, S.
hal.structure.identifierINAF- Osservatorio Astrofisico di Arcetri [OAA]
dc.contributor.authorCASELLI, P.
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
dc.contributor.authorCAUX, E.
hal.structure.identifierCentro de Astrobiologia [Madrid] [CAB]
dc.contributor.authorCERNICHARO, J.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorCODELLA, C.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorCOUTENS, A.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorCRIMIER, N.
dc.contributor.authorCROCKETT, N. R.
hal.structure.identifierLaboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA]
hal.structure.identifierCentro de Astrobiologia [Madrid] [CAB]
hal.structure.identifierÉcole normale supérieure - Paris [ENS-PSL]
dc.contributor.authorDANIEL, F.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorDEMYK, K.
hal.structure.identifierSRON Netherlands Institute for Space Research [SRON]
dc.contributor.authorDIELEMAN, P.
hal.structure.identifierAstronomical Institute Anton Pannekoek [AI PANNEKOEK]
dc.contributor.authorDOMINIK, C.
hal.structure.identifierLaboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA]
dc.contributor.authorDUBERNET, M. L.
hal.structure.identifierCahill Center for Astronomy and Astrophysics
dc.contributor.authorEMPRECHTINGER, M.
hal.structure.identifierLaboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA]
dc.contributor.authorENCRENAZ, P.
hal.structure.identifierLaboratoire de Radioastronomie [LRA]
dc.contributor.authorFALGARONE, E.
dc.contributor.authorFRANCE, K.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorFUENTE, A.
hal.structure.identifierLaboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA]
hal.structure.identifierLaboratoire de Radioastronomie [LRA]
dc.contributor.authorGERIN, M.
dc.contributor.authorGIESEN, T. F.
hal.structure.identifierforeign laboratories [FL]
dc.contributor.authorDI GIORGIO, A. M.
hal.structure.identifierLaboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA]
dc.contributor.authorGOICOECHEA, J. R.
dc.contributor.authorGOLDSMITH, P. F.
hal.structure.identifierMax Planck Institute for Radio Astronomy
dc.contributor.authorGÜSTEN, R.
dc.contributor.authorHARRIS, A.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorHELMICH, F.
hal.structure.identifierDepartment of Physics [Ohio State University] [OSU]
hal.structure.identifierOhio State Univ, Dept Astron & Chem, Columbus, OH 43210 USA
dc.contributor.authorHERBST, E.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorHILY-BLANT, Pierre
hal.structure.identifierLeibniz Institute for Crystal Growth
dc.contributor.authorJACOBS, K.
hal.structure.identifierFORMATION STELLAIRE 2010
dc.contributor.authorJACQ, T.
dc.contributor.authorJOBLIN, Ch.
hal.structure.identifierNatl Res Council Canada, Herzberg Inst Astrophys, Victoria, BC V9E 2E7 Canada
dc.contributor.authorJOHNSTONE, D.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorKAHANE, C.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorKAMA, M.
hal.structure.identifierMax-Planck-Institut für Radioastronomie [MPIFR]
dc.contributor.authorKLEIN, T.
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
hal.structure.identifierObservatoire de Haute-Provence [OHP]
dc.contributor.authorKLOTZ, A.
hal.structure.identifierInstituto de RadioAstronomía Milimétrica [IRAM]
dc.contributor.authorKRAMER, C.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorLANGER, W.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorLEFLOCH, B.
dc.contributor.authorLEINZ, C.
hal.structure.identifierINAF- Osservatorio Astrofisico di Arcetri [OAA]
dc.contributor.authorLORENZANI, A.
dc.contributor.authorLORD, S. D.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorMARET, S.
hal.structure.identifierLaboratoire de Modélisation Multi-échelles des Combustibles [LM2C]
dc.contributor.authorMARTIN, P. G.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorMARTIN-PINTADO, J.
hal.structure.identifierforeign laboratories [FL]
dc.contributor.authorMCCOEY, C.
dc.contributor.authorMELCHIOR, M.
hal.structure.identifierHarvard-Smithsonian Center for Astrophysics [CfA]
dc.contributor.authorMELNICK, G. J.
hal.structure.identifierMax-Planck-Institut für Radioastronomie [MPIFR]
dc.contributor.authorMENTEN, K. M.
hal.structure.identifierKOSMA, I. Physikalisches Institut
dc.contributor.authorMOOKERJEA, B.
hal.structure.identifierInfrared Processing and Analysis Center [IPAC]
dc.contributor.authorMORRIS, P.
dc.contributor.authorMURPHY, J. A.
dc.contributor.authorNEUFELD, D. A.
hal.structure.identifierINAF - Osservatorio Astronomico di Roma [OAR]
dc.contributor.authorNISINI, B.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorPACHECO, S.
hal.structure.identifierLaboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA]
dc.contributor.authorPAGANI, L.
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
dc.contributor.authorPARISE, B.
hal.structure.identifierforeign laboratories [FL]
dc.contributor.authorPEARSON, J. C.
hal.structure.identifierLaboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA]
dc.contributor.authorPÉRAULT, M.
hal.structure.identifierCalifornia Institute of Technology [CALTECH]
dc.contributor.authorPHILLIPS, T. G.
hal.structure.identifierDepartment of Physics and Astronomy [Calgary]
dc.contributor.authorPLUME, R.
dc.contributor.authorQUIN, S.-L.
dc.contributor.authorRIZZO, R.
dc.contributor.authorRÖLLIG, M.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorSALEZ, M.
hal.structure.identifierIstituto di Fisica dello Spazio Interplanetario [IFSI]
dc.contributor.authorSARACENO, P.
hal.structure.identifierI. Physikalisches Institut [Köln]
dc.contributor.authorSCHLEMMER, S.
hal.structure.identifierHelmholtz zentrum für Schwerionenforschung GmbH [GSI]
dc.contributor.authorSIMON, R.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorSCHUSTER, K.
hal.structure.identifierSRON Netherlands Institute for Space Research [SRON]
hal.structure.identifierKapteyn Astronomical Institute [Groningen]
dc.contributor.authorVAN DER TAK, F. F. S.
hal.structure.identifierSRON Netherlands Institute for Space Research [SRON]
dc.contributor.authorTIELENS, A. G. G. M.
dc.contributor.authorTEYSSIER, D.
hal.structure.identifierLaboratoire de Didactique André Revuz [LDAR (EA_4434)]
dc.contributor.authorTRAPPE, N.
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
dc.contributor.authorVASTEL, C.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorVITI, S.
hal.structure.identifierAMOR 2010
dc.contributor.authorWAKELAM, Valentine
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorWALTERS, A.
hal.structure.identifierDepartment of Astronomy [Ann Arbor]
dc.contributor.authorWANG, S.
dc.contributor.authorWHYBORN, N.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorVAN DER WIEL, M.
dc.contributor.authorYORKE, H. W.
hal.structure.identifierJet Propulsion Laboratory [JPL]
dc.contributor.authorYU, S.
hal.structure.identifierCahill Center for Astronomy and Astrophysics
dc.contributor.authorZMUIDZINAS, J.
dc.date.issued2010-07
dc.identifier.issn0004-6361
dc.description.abstractEnAims: We identify a prominent absorption feature at 1115 GHz, detected in first HIFI spectra towards high-mass star-forming regions, and interpret its astrophysical origin. Methods: The characteristic hyperfine pattern of the H2O+ ground-state rotational transition, and the lack of other known low-energy transitions in this frequency range, identifies the feature as H2O+ absorption against the dust continuum background and allows us to derive the velocity profile of the absorbing gas. By comparing this velocity profile with velocity profiles of other tracers in the DR21 star-forming region, we constrain the frequency of the transition and the conditions for its formation. Results: In DR21, the velocity distribution of H2O+ matches that of the [C ii] line at 158 μm and of OH cm-wave absorption, both stemming from the hot and dense clump surfaces facing the H ii-region and dynamically affected by the blister outflow. Diffuse foreground gas dominates the absorption towards Sgr B2. The integrated intensity of the absorption line allows us to derive lower limits to the H2O+ column density of 7.2 × 1012 cm-2 in NGC 6334, 2.3 × 1013 cm-2 in DR21, and 1.1 × 1015 cm-2 in Sgr B2. Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA.
dc.language.isoen
dc.publisherEDP Sciences
dc.rights.urihttp://creativecommons.org/licenses/by/
dc.subject.enline: identification
dc.subject.enastrochemistry
dc.subject.enISM: molecules
dc.subject.enISM: abundances
dc.subject.enmolecular data
dc.subject.enISM: clouds
dc.title.enDetection of interstellar oxidaniumyl: Abundant H2O+ towards the star-forming regions DR21, Sgr B2, and NGC6334
dc.typeArticle de revue
dc.identifier.doi10.1051/0004-6361/201014577
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Astrophysique galactique [astro-ph.GA]
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Astrophysique galactique [astro-ph.GA]
dc.identifier.arxiv1005.2521
bordeaux.journalAstronomy and Astrophysics - A&A
bordeaux.pageL111
bordeaux.volume518
bordeaux.peerReviewedoui
hal.identifierhal-00633453
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00633453v1
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