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The Gaia -ESO Survey: Calibration strategy

dc.contributor.authorPANCINO, E.
dc.contributor.authorLARDO, C.
dc.contributor.authorALTAVILLA, G.
dc.contributor.authorMARINONI, S.
dc.contributor.authorRAGAINI, S.
dc.contributor.authorCOCOZZA, G.
dc.contributor.authorBELLAZZINI, M.
dc.contributor.authorSABBI, E.
dc.contributor.authorZOCCALI, M.
hal.structure.identifierInstitut national de recherche et de sécurité (Vandoeuvre lès Nancy) [INRS ( Vandoeuvre lès Nancy)]
dc.contributor.authorDONATI, P.
dc.contributor.authorHEITER, U.
dc.contributor.authorKOPOSOV, S.
hal.structure.identifierRoyal Observatory of Belgium = Observatoire Royal de Belgique [ROB]
dc.contributor.authorBLOMME, R.
hal.structure.identifierScience et Ingénierie des Matériaux et Procédés [SIMaP ]
dc.contributor.authorMOREL, T.
dc.contributor.authorSÍMON-DÍAZ, S.
dc.contributor.authorLOBEL, A.
hal.structure.identifierM2A 2017
dc.contributor.authorSOUBIRAN, C.
dc.contributor.authorMONTALBAN, J.
hal.structure.identifierLeibniz-Institut für Astrophysik Potsdam [AIP]
dc.contributor.authorVALENTINI, M.
hal.structure.identifierFocas Research Institute
dc.contributor.authorCASEY, A.
dc.contributor.authorBLANCO-CUARESMA, S.
dc.contributor.authorJOFRÉ, P.
dc.contributor.authorWORLEY, C.
dc.contributor.authorMAGRINI, L.
dc.contributor.authorHOURIHANE, A.
hal.structure.identifierGalaxies, Etoiles, Physique, Instrumentation [GEPI]
dc.contributor.authorPATRICK, François
dc.contributor.authorFELTZING, S.
dc.contributor.authorGILMORE, G.
dc.contributor.authorRANDICH, S.
dc.contributor.authorASPLUND, M.
hal.structure.identifierGalaxies, Etoiles, Physique, Instrumentation [GEPI]
dc.contributor.authorBONIFACIO, Piercarlo
hal.structure.identifierSchool of Physics, Astronomy and Mathematics [Hatfield]
dc.contributor.authorDREW, J.
dc.contributor.authorJEFFRIES, R.
hal.structure.identifierINAF - Osservatorio Astronomico di Palermo [OAPa]
dc.contributor.authorMICELA, G.
dc.contributor.authorVALLENARI, A.
hal.structure.identifierEconomía Política y Hacienda Pública, Estadística Económica y Empresarial y Política Económica
dc.contributor.authorALFARO, J.
dc.contributor.authorALLENDE PRIETO, C.
hal.structure.identifierGalaxies, Etoiles, Physique, Instrumentation [GEPI]
dc.contributor.authorBABUSIAUX, C.
dc.contributor.authorBENSBY, T.
dc.contributor.authorBRAGAGLIA, A.
dc.contributor.authorFLACCOMIO, E.
dc.contributor.authorHAMBLY, N.
hal.structure.identifierDepartment of Astronomy and Space Physics [Uppsala]
dc.contributor.authorKORN, A.
hal.structure.identifierINAF - Osservatorio Astrofisico di Catania [OACT]
dc.contributor.authorLANZAFAME, A.
dc.contributor.authorSMILJANIC, R.
hal.structure.identifierInstitut d'Astronomie et d'Astrophysique
dc.contributor.authorVAN ECK, S.
dc.contributor.authorWALTON, A.
dc.contributor.authorBAYO, A.
dc.contributor.authorCARRARO, G.
dc.contributor.authorCOSTADO, M. T.
hal.structure.identifierUniversità degli studi di Torino = University of Turin [UNITO]
dc.contributor.authorDAMIANI, F.
dc.contributor.authorEDVARDSSON, B.
dc.contributor.authorFRANCIOSINI, E.
hal.structure.identifierINAF - Osservatorio Astrofisico di Catania [OACT]
dc.contributor.authorFRASCA, A.
dc.contributor.authorLEWIS, J.
hal.structure.identifierInstitut Pasteur, Fondation Cenci Bolognetti - Istituto Pasteur Italia, Fondazione Cenci Bolognetti
dc.contributor.authorMONACO, L.
dc.contributor.authorMORBIDELLI, L.
dc.contributor.authorPRISINZANO, L.
hal.structure.identifierPôle Gérontologie
dc.contributor.authorSACCO, G. G.
dc.contributor.authorSBORDONE, L.
dc.contributor.authorSOUSA, S.
dc.contributor.authorZAGGIA, S.
dc.contributor.authorKOCH, A.
dc.date.issued2017
dc.identifier.issn0004-6361
dc.description.abstractEnThe Gaia-ESO survey (GES) is now in its fifth and last year of observations, and has already produced tens of thousands of high-quality spectra of stars in all Milky Way components. This paper presents the strategy behind the selection of astrophysical calibration targets, ensuring that all GES results on radial velocities, atmospheric parameters, and chemical abundance ratios will be both internally consistent and easily comparable with other literature results, especially from other large spectroscopic surveys and from Gaia. The calibration of GES is particularly delicate because of: (i) the large space of parameters covered by its targets, ranging from dwarfs to giants, from O to M stars, and with a large range of metallicities, as well as including fast rotators, emission line objects, stars affected by veiling and so on; (ii) the variety of observing setups, with different wavelength ranges and resolution; and (iii) the choice of analyzing the data with many different state-of-the art methods, each stronger in a different region of the parameter space, which ensures a better understanding of systematic uncertainties. An overview of the GES calibration and homogenization strategy is also given, along with some examples of the usage and results of calibrators in GES iDR4 - the fourth internal GES data release, that will form the basis of the next GES public data release. The agreement between GES iDR4 recommended values and reference values for the calibrating objects are very satisfactory. The average offsets and spreads are generally compatible with the GES measurement errors, which in iDR4 data already meet the requirements set by the main GES scientific goals.
dc.language.isoen
dc.publisherEDP Sciences
dc.title.enThe Gaia -ESO Survey: Calibration strategy
dc.typeArticle de revue
dc.identifier.doi10.1051/0004-6361/201629450
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Astrophysique stellaire et solaire [astro-ph.SR]
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]
dc.subject.halPhysique [physics]
dc.identifier.arxiv1610.06480
bordeaux.journalAstronomy and Astrophysics - A&A
bordeaux.pageid.A5
bordeaux.volume598
bordeaux.peerReviewedoui
hal.identifierhal-01450162
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01450162v1
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