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CCD Astrometry and Photometry of Visual Double Stars: Northern Hipparcos Wide Pairs Measured in the Years 2003-2005

dc.contributor.authorSINACHOPOULOS, D.
dc.contributor.authorGAVRAS, P.
dc.contributor.authorMEDUPE, Th.
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
hal.structure.identifierInstituto de Astronomia, Geofísica e Ciências Atmosféricas [São Paulo] [IAG]
dc.contributor.authorDUCOURANT, C.
dc.contributor.authorDIONATOS, O.
dc.date.issued2006
dc.date.conference2006
dc.description.abstractEnThe relative positions of Hipparcos visual double star components are currently known with a precision around fifty mas. Modern CCD astrometric observations of these objects achieve an accuracy of their angular separation between ten and twenty mas per observation. New CCD measurements have been obtained at Kryonerion Observatory in the north hemisphere. They provide current relative positions of visual double stars which are at least twice as accurate as the ones provided by Hipparcos. The new measurements will permit us to extract the physical pairs from the sample, and the double stars, which have components of common origin. Final statistics of these systems will improve our understanding of stellar formation and evolution rates of wide binaries in the solar neighborhood.
dc.language.isoen
dc.publisherEdited by W.I. Hartkopf, E.F. Guinan and P. Harmanec. Cambridge: Cambridge University Press
dc.source.titleBinary Stars as Critical Tools & Tests in Contemporary Astrophysics, Proceedings of IAU Symposium
dc.subject.enstars: wide double stars: Hipparcos
dc.subject.endouble stars
dc.subject.envisual
dc.subject.enastrometry
dc.subject.endifferential photometry
dc.title.enCCD Astrometry and Photometry of Visual Double Stars: Northern Hipparcos Wide Pairs Measured in the Years 2003-2005
dc.typeCommunication dans un congrès
dc.identifier.doi10.1017/S1743921307006126
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Cosmologie et astrophysique extra-galactique [astro-ph.CO]
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]
bordeaux.page613-618
bordeaux.volume240
bordeaux.countryCZ
bordeaux.title.proceedingBinary Stars as Critical Tools & Tests in Contemporary Astrophysics, Proceedings of IAU Symposium
bordeaux.conference.cityPrague
bordeaux.peerReviewedoui
hal.identifierhal-00130061
hal.version1
hal.invitednon
hal.proceedingsoui
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00130061v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.btitle=Binary%20Stars%20as%20Critical%20Tools%20&%20Tests%20in%20Contemporary%20Astrophysics,%20Proceedings%20of%20IAU%20Symposium&rft.date=2006&rft.volume=240&rft.spage=613-618&rft.epage=613-618&rft.au=SINACHOPOULOS,%20D.&GAVRAS,%20P.&MEDUPE,%20Th.&DUCOURANT,%20C.&DIONATOS,%20O.&rft.genre=unknown


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