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hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
hal.structure.identifierUniversité Sciences et Technologies - Bordeaux 1 [UB]
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
dc.contributor.authorCHEMIN, L.
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
hal.structure.identifierUniversité Sciences et Technologies - Bordeaux 1 [UB]
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
dc.contributor.authorCHARLOT, P.
dc.date.issued2010-12
dc.date.conference2010
dc.description.abstractEnBuilding celestial reference frames such as the International Celestial Reference Frame (ICRF) from Very Long Baseline Interferometry (VLBI) observations is very important for geodesy, astrometry and astrophysics. We have started a project whose objective is to develop new VLBI analysis methods and observational strategies to densify such reference frames. Our strategy takes advantage of the phase referencing VLBI technique, which allows one to detect radio sources weaker than those traditionally observed with the standard wide-angle VLBI technique used to construct the ICRF. The combination of wide-angle and phase referencing VLBI observations should provide a denser and unified reference grid comprising both strong and weak radio sources. Actual data as well as simulated data will be used to test the method.
dc.language.isoen
dc.source.titleSF2A-2010: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics. Eds.: S. Boissier, M. Heydari-Malayeri, R. Samadi and D. Valls-Gabaud
dc.title.enDensification of celestial reference frames: towards new VLBI observing strategies
dc.typeCommunication dans un congrès
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Instrumentation et méthodes pour l'astrophysique [astro-ph.IM]
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Instrumentation et méthodes pour l'astrophysique [astro-ph.IM]
bordeaux.page111
bordeaux.countryFR
bordeaux.title.proceedingSF2A-2010: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics. Eds.: S. Boissier, M. Heydari-Malayeri, R. Samadi and D. Valls-Gabaud
bordeaux.peerReviewedoui
hal.identifierhal-00552973
hal.version1
hal.invitednon
hal.proceedingsoui
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00552973v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.btitle=SF2A-2010:%20Proceedings%20of%20the%20Annual%20meeting%20of%20the%20French%20Society%20of%20Astronomy%20and%20Astrophysics.%20Eds.:%20S.%20Boissier,%20M.%20Heydari-Malay&rft.date=2010-12&rft.spage=111&rft.epage=111&rft.au=CHEMIN,%20L.&CHARLOT,%20P.&rft.genre=unknown


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