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Variations in H2O+/H2O ratios toward massive star-forming regions
hal.structure.identifier | Max-Planck-Institut für Radioastronomie [MPIFR] | |
dc.contributor.author | WYROWSKI, F. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Grenoble [LAOG] | |
dc.contributor.author | VAN DER TAK, F. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Bordeaux [Pessac] [LAB] | |
hal.structure.identifier | Observatoire aquitain des sciences de l'univers [OASU] | |
hal.structure.identifier | Université Sciences et Technologies - Bordeaux 1 [UB] | |
hal.structure.identifier | Laboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB] | |
dc.contributor.author | HERPIN, Fabrice | |
hal.structure.identifier | Laboratoire d'Astrophysique de Bordeaux [Pessac] [LAB] | |
hal.structure.identifier | Observatoire aquitain des sciences de l'univers [OASU] | |
hal.structure.identifier | Université Sciences et Technologies - Bordeaux 1 [UB] | |
hal.structure.identifier | Laboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB] | |
dc.contributor.author | BAUDRY, Alain | |
hal.structure.identifier | Laboratoire d'Astrophysique de Bordeaux [Pessac] [LAB] | |
hal.structure.identifier | Observatoire aquitain des sciences de l'univers [OASU] | |
hal.structure.identifier | Université Sciences et Technologies - Bordeaux 1 [UB] | |
hal.structure.identifier | Laboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB] | |
dc.contributor.author | BONTEMPS, Sylvain | |
dc.contributor.author | CHAVARRIA, L. | |
dc.contributor.author | FRIESWIJK, W. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Bordeaux [Pessac] [LAB] | |
hal.structure.identifier | Observatoire aquitain des sciences de l'univers [OASU] | |
hal.structure.identifier | Université Sciences et Technologies - Bordeaux 1 [UB] | |
hal.structure.identifier | Laboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB] | |
dc.contributor.author | JACQ, T. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Bordeaux [Pessac] [LAB] | |
hal.structure.identifier | Observatoire aquitain des sciences de l'univers [OASU] | |
hal.structure.identifier | Université Sciences et Technologies - Bordeaux 1 [UB] | |
hal.structure.identifier | Laboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB] | |
hal.structure.identifier | SRON Netherlands Institute for Space Research [SRON] | |
dc.contributor.author | MARSEILLE, M. | |
dc.contributor.author | SHIPMAN, R. | |
dc.contributor.author | VAN DISHOECK, E. F | |
dc.contributor.author | BENZ, A. O. | |
hal.structure.identifier | INAF - Osservatorio Astrofisico di Arcetri [OAA] | |
dc.contributor.author | CASELLI, P. | |
dc.contributor.author | HOGERHEIJDE, M. R. | |
dc.contributor.author | JOHNSTONE, D. | |
dc.contributor.author | LISEAU, R. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Grenoble [LAOG] | |
dc.contributor.author | BACHILLER, R. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Grenoble [LAOG] | |
dc.contributor.author | BENEDETTINI, M. | |
dc.contributor.author | BERGIN, E. | |
dc.contributor.author | BJERKELI, P. | |
hal.structure.identifier | LabOratoire proCédés énergIe bâtimEnt [LOCIE] | |
dc.contributor.author | BLAKE, G. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Bordeaux [Pessac] [LAB] | |
hal.structure.identifier | Observatoire aquitain des sciences de l'univers [OASU] | |
hal.structure.identifier | Université Sciences et Technologies - Bordeaux 1 [UB] | |
dc.contributor.author | BRAINE, J. | |
dc.contributor.author | BRUDERER, S. | |
hal.structure.identifier | Centro de Investigaciones Biológicas [CSIC] | |
dc.contributor.author | CERNICHARO, J. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Grenoble [LAOG] | |
dc.contributor.author | CODELLA, C. | |
dc.contributor.author | DANIEL, F. | |
dc.contributor.author | DI GIORGIO, A. M. | |
hal.structure.identifier | Astronomical Institute Anton Pannekoek [AI PANNEKOEK] | |
dc.contributor.author | DOMINIK, C. | |
dc.contributor.author | DOTY, S. D. | |
hal.structure.identifier | Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA] | |
dc.contributor.author | ENCRENAZ, P. | |
dc.contributor.author | FICH, M. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Grenoble [LAOG] | |
dc.contributor.author | FUENTE, A. | |
dc.contributor.author | GIANNINI, T. | |
hal.structure.identifier | Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA] | |
dc.contributor.author | GOICOECHEA, J. R. | |
dc.contributor.author | DE GRAAUW, Th. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Grenoble [LAOG] | |
dc.contributor.author | HELMICH, F. | |
dc.contributor.author | HERCZEG, G. J. | |
dc.contributor.author | JØRGENSEN, J. K. | |
dc.contributor.author | KRISTENSEN, L. E. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Grenoble [LAOG] | |
dc.contributor.author | LARSSON, B. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Grenoble [LAOG] | |
dc.contributor.author | LIS, D. | |
dc.contributor.author | MCCOEY, C. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Grenoble [LAOG] | |
dc.contributor.author | MELNICK, G. | |
hal.structure.identifier | INAF - Osservatorio Astronomico di Roma [OAR] | |
dc.contributor.author | NISINI, B. | |
hal.structure.identifier | Onsala Space Observatory | |
dc.contributor.author | OLBERG, M. | |
hal.structure.identifier | Centre d'étude spatiale des rayonnements [CESR] | |
dc.contributor.author | PARISE, B. | |
dc.contributor.author | PEARSON, J. C. | |
dc.contributor.author | PLUME, R. | |
hal.structure.identifier | ESO | |
dc.contributor.author | RISACHER, C. | |
dc.contributor.author | SANTIAGO, J. | |
hal.structure.identifier | Istituto di Fisica dello Spazio Interplanetario [IFSI] | |
dc.contributor.author | SARACENO, P. | |
dc.contributor.author | TAFALLA, M. | |
dc.contributor.author | VAN KEMPEN, T. A. | |
dc.contributor.author | VISSER, R. | |
dc.contributor.author | WAMPFLER, S. | |
dc.contributor.author | YILDIZ, U. A. | |
dc.contributor.author | BLACK, J. H. | |
hal.structure.identifier | Laboratoire de Radioastronomie [LRA] | |
dc.contributor.author | FALGARONE, E. | |
hal.structure.identifier | Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA] | |
hal.structure.identifier | Laboratoire de Radioastronomie [LRA] | |
dc.contributor.author | GERIN, M. | |
dc.contributor.author | ROELFSEMA, P. | |
dc.contributor.author | DIELEMAN, P. | |
dc.contributor.author | BEINTEMA, D. | |
dc.contributor.author | DE JONGE, A. | |
dc.contributor.author | WHYBORN, N. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Grenoble [LAOG] | |
dc.contributor.author | STUTZKI, J. | |
hal.structure.identifier | Laboratoire d'Astrophysique de Grenoble [LAOG] | |
dc.contributor.author | OSSENKOPF, V. | |
dc.date.created | 2010 | |
dc.date.issued | 2010 | |
dc.identifier.issn | 0004-6361 | |
dc.description.abstractEn | Early results from the Herschel Space Observatory revealed the water cation H2O+ to be an abundant ingredient of the interstellar medium. Here we present new observations of the H2O and H2O+ lines at 1113.3 and 1115.2 GHz using the Herschel Space Observatory toward a sample of high-mass star-forming regions to observationally study the relation between H2O and H2O+ . Nine out of ten sources show absorption from H2O+ in a range of environments: the molecular clumps surrounding the forming and newly formed massive stars, bright high-velocity outflows associated with the massive protostars, and unrelated low-density clouds along the line of sight. Column densities per velocity component of H2 O+ are found in the range of 10^12 to a few 10^13 cm-2 . The highest N(H2O+) column densities are found in the outflows of the sources. The ratios of H2O+/H2O are determined in a range from 0.01 to a few and are found to differ strongly between the observed environments with much lower ratios in the massive (proto)cluster envelopes (0.01-0.1) than in outflows and diffuse clouds. Remarkably, even for source components detected in H2O in emission, H2O+ is still seen in absorption. | |
dc.language.iso | en | |
dc.publisher | EDP Sciences | |
dc.subject.en | Astrophysics | |
dc.subject.en | Galaxy Astrophysics | |
dc.title.en | Variations in H2O+/H2O ratios toward massive star-forming regions | |
dc.type | Article de revue | |
dc.identifier.doi | 10.1051/0004-6361/201015110 | |
dc.subject.hal | Planète et Univers [physics]/Astrophysique [astro-ph]/Astrophysique stellaire et solaire [astro-ph.SR] | |
dc.subject.hal | Physique [physics]/Astrophysique [astro-ph]/Astrophysique stellaire et solaire [astro-ph.SR] | |
dc.identifier.arxiv | 1007.4370 | |
bordeaux.journal | Astronomy and Astrophysics - A&A | |
bordeaux.page | L34 | |
bordeaux.volume | 521 | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-00521348 | |
hal.version | 1 | |
hal.popular | non | |
hal.audience | Internationale | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-00521348v1 | |
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=2010&rft.volume=521&rft.spage=L34&rft.epage=L34&rft.eissn=0004-6361&rft.issn=0004-6361&rft.au=WYROWSKI,%20F.&VAN%20DER%20TAK,%20F.&HERPIN,%20Fabrice&BAUDRY,%20Alain&BONTEMPS,%20Sylvain&rft.genre=article |
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