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The CHESS spectral survey of star forming regions: Peering into the protostellar shock L1157-B1. I. Shock chemical complexity

hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorCODELLA, C.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorLEFLOCH, B.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorCECCARELLI, C.
hal.structure.identifierCentro de Astrobiologia [Madrid] [CAB]
dc.contributor.authorCERNICHARO, J.
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
dc.contributor.authorCAUX, E.
hal.structure.identifierINAF- Osservatorio Astrofisico di Arcetri [OAA]
dc.contributor.authorLORENZANI, A.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorVITI, S.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorHILY-BLANT, Pierre
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
dc.contributor.authorPARISE, B.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorMARET, S.
hal.structure.identifierINAF - Osservatorio Astronomico di Roma [OAR]
dc.contributor.authorNISINI, B.
hal.structure.identifierINAF- Osservatorio Astrofisico di Arcetri [OAA]
dc.contributor.authorCASELLI, P.
hal.structure.identifierLaboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA]
dc.contributor.authorCABRIT, S.
hal.structure.identifierLaboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA]
dc.contributor.authorPAGANI, L.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorBENEDETTINI, M.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorBOOGERT, A.
hal.structure.identifierInstitut de RadioAstronomie Millimétrique [IRAM]
dc.contributor.authorGUETH, F.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorMELNICK, G.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorNEUFELD, D.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorPACHECO, S.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorSALEZ, M.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorSCHUSTER, K.
hal.structure.identifierFORMATION STELLAIRE 2010
dc.contributor.authorBACMANN, A.
hal.structure.identifierFORMATION STELLAIRE 2010
dc.contributor.authorBAUDRY, Alain
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorBELL, T.
hal.structure.identifierDepartment of Astronomy [Ann Arbor]
dc.contributor.authorBERGIN, E. A.
hal.structure.identifierCalifornia Institute of Technology [CALTECH]
dc.contributor.authorBLAKE, G.
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
dc.contributor.authorBOTTINELLI, S.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorCASTETS, Alain
hal.structure.identifierMax Planck Institute for Radio Astronomy
dc.contributor.authorCOMITO, 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.
hal.structure.identifierAstronomical Institute Anton Pannekoek [AI PANNEKOEK]
dc.contributor.authorDOMINIK, C.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorDEMYK, K.
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.
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.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorGOLDSMITH, P.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorHELMICH, F.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorHENNEBELLE, P.
dc.contributor.authorHENNING, Th.
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.identifierFORMATION STELLAIRE 2010
dc.contributor.authorJACQ, T.
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.identifierCentre d'étude spatiale des rayonnements [CESR]
hal.structure.identifierObservatoire de Haute-Provence [OHP]
dc.contributor.authorKLOTZ, A.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorLANGER, W.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorLIS, D.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorLORD, S.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorPEARSON, Justin
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorPHILLIPS, T.
hal.structure.identifierIstituto di Fisica dello Spazio Interplanetario [IFSI]
dc.contributor.authorSARACENO, P.
hal.structure.identifierMax Planck Institute for Radio Astronomy
hal.structure.identifierI. Physikalisches Institut [Köln]
dc.contributor.authorSCHILKE, P.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorTIELENS, X.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorVAN DER TAK, F.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorVAN DER WIEL, M.
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
dc.contributor.authorVASTEL, C.
hal.structure.identifierAMOR 2010
dc.contributor.authorWAKELAM, Valentine
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorWALTERS, A.
hal.structure.identifierMax-Planck-Institut für Radioastronomie [MPIFR]
dc.contributor.authorWYROWSKI, F.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorYORKE, H.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorBORYS, C.
hal.structure.identifierLaboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA]
dc.contributor.authorDELORME, Y.
hal.structure.identifierInstituto de RadioAstronomía Milimétrica [IRAM]
dc.contributor.authorKRAMER, C.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorLARSSON, B.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorMEHDI, I.
hal.structure.identifierLaboratoire Univers et Théories [LUTH (UMR_8102)]
hal.structure.identifierSRON Netherlands Institute for Space Research [SRON]
dc.contributor.authorOSSENKOPF, V.
hal.structure.identifierI. Physikalisches Institut [Köln]
dc.contributor.authorSTUTZKI, J.
dc.date.issued2010-07
dc.identifier.issn0004-6361
dc.description.abstractEnWe present the first results of the unbiased survey of the L1157-B1 bow shock, obtained with HIFI in the framework of the key program Chemical HErschel Survey of Star forming regions (CHESS). The L1157 outflow is driven by a low-mass Class 0 protostar and is considered the prototype of the so-called chemically active outflows. The bright blue-shifted bow shock B1 is the ideal laboratory for studying the link between the hot (~1000-2000 K) component traced by H2 IR-emission and the cold (~10-20 K) swept-up material. The main aim is to trace the warm gas chemically enriched by the passage of a shock and to infer the excitation conditions in L1157-B1. A total of 27 lines are identified in the 555-636 GHz region, down to an average 3σ level of 30 mK. The emission is dominated by CO(5-4) and H2O(110-101) transitions, as discussed by Lefloch et al. in this volume. Here we report on the identification of lines from NH3, H2CO, CH3OH, CS, HCN, and HCO+. The comparison between the profiles produced by molecules released from dust mantles (NH3, H2CO, CH3OH) and that of H2O is consistent with a scenario in which water is also formed in the gas-phase in high-temperature regions where sputtering or grain-grain collisions are not efficient. The high excitation range of the observed tracers allows us to infer, for the first time for these species, the existence of a warm (≥200 K) gas component coexisting in the B1 bow structure with the cold and hot gas detected from ground. Herschel is an ESA space observatory with science instruments provided by European-led principal Investigator consortia and with important participation from NASA.Table 1 is only available in electronic form at http://www.aanda.org
dc.language.isoen
dc.publisherEDP Sciences
dc.subject.enISM: individual objects: L1157
dc.subject.enISM: molecules
dc.subject.enstars: formation
dc.title.enThe CHESS spectral survey of star forming regions: Peering into the protostellar shock L1157-B1. I. Shock chemical complexity
dc.typeArticle de revue
dc.identifier.doi10.1051/0004-6361/201014582
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.arxiv1006.1864
bordeaux.journalAstronomy and Astrophysics - A&A
bordeaux.pageL112
bordeaux.volume518
bordeaux.peerReviewedoui
hal.identifierhal-00633450
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00633450v1
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