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VLBI analyses with the GINS software for multi-technique combination at the observation level

hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierUniversité Sciences et Technologies - Bordeaux 1 [UB]
dc.contributor.authorBOURDA, G.
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierUniversité Sciences et Technologies - Bordeaux 1 [UB]
dc.contributor.authorCHARLOT, P.
hal.structure.identifierDynamique terrestre et planétaire [DTP]
dc.contributor.authorBIANCALE, Richard
dc.contributor.editorJ. Bouvier
dc.contributor.editorA. Chalabaev
dc.contributor.editorand C. Charbonnel
dc.date.issued2007
dc.date.conference2007-07
dc.description.abstractEnA rigorous approach to simultaneously determine a Terrestrial Reference Frame (TRF) and Earth Orientation Parameters (EOP) is now currently applied on a routine basis in a coordinated project within the Groupe de Recherches de Géodésie Spatiale (GRGS) in France. Observations of the various space geodetic techniques (VLBI, SLR, LLR, DORIS and GPS) are separately processed by different analysis centers with the software package GINS--DYNAMO, developed and maintained at the GRGS/CNES (Toulouse). This project is aimed at facilitating fine geophysical analyses of the global Earth system (GGOS project). In this framework, Bordeaux Observatory is in charge of the VLBI (Very Long Baseline Interferometry) analyses with GINS for combination with the data of the other space geodetic techniques at the observation level. In this paper, we present (i) the analyses undertaken with this new VLBI software, and (ii) the results obtained for the EOP from beginning 2005 until 2007. Finally, we compare this EOP solution with the IVS (International VLBI Service) Analysis Coordinator combined results. The agreement is at the 0.2 mas level, comparable to that of the other IVS Analysis Centers, which demonstrates the VLBI capability of the GINS software.
dc.language.isoen
dc.source.titleProceedings of the Annual meeting of the French Society of Astronomy and Astrophysics - SF2A-2007 - 2007sf2a.conf...82B
dc.title.enVLBI analyses with the GINS software for multi-technique combination at the observation level
dc.typeCommunication dans un congrès
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Cosmologie et astrophysique extra-galactique [astro-ph.CO]
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Cosmologie et astrophysique extra-galactique [astro-ph.CO]
dc.identifier.arxiv0803.1433
bordeaux.pagep. 82
bordeaux.conference.titleSF2A-2007: Semaine de l'Astrophysique Française
bordeaux.countryFR
bordeaux.title.proceedingProceedings of the Annual meeting of the French Society of Astronomy and Astrophysics - SF2A-2007 - 2007sf2a.conf...82B
bordeaux.conference.cityGrenoble
bordeaux.peerReviewedoui
hal.identifierhal-00261964
hal.version1
hal.invitednon
hal.proceedingsoui
hal.popularnon
hal.audienceNationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00261964v1
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