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The ESPRI project: narrow-angle astrometry with VLTI-PRIMA

Launhardt, R. ; Henning, T. ; Queloz, D. ; Quirrenbach, A. ; Delplancke, F. ; Elias, N. M. ; Pepe, F. ; Reffert, S. ; Ségransan, D. ; Setiawan, J. ; Tubbs, R.

In: Proceedings of the International Astronomical Union, 2007, vol. 3, no. S248, p. 417-420

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    Titre
    • The ESPRI project: narrow-angle astrometry with VLTI-PRIMA
    Auteur
    • Launhardt, R.. Max-Planck-Institut für Astronomie, Königstuhl 17, 69117 Heidelberg, Germany
    • Henning, T.. Max-Planck-Institut für Astronomie, Königstuhl 17, 69117 Heidelberg, Germany
    • Queloz, D.. Observatoire Astronomique de l'Universitè de Genève, 1290 Sauverny, Switzerland
    • Quirrenbach, A.. Landessternwarte Königstuhl, 69117 Heidelberg, Germany
    • Delplancke, F.. European Southern Observatory (ESO), Karl-Schwazschild-Str. 2, 85748 Garching
    • Elias, N. M.. Max-Planck-Institut für Astronomie, Königstuhl 17, 69117 Heidelberg, Germany
    • Pepe, F.. Observatoire Astronomique de l'Universitè de Genève, 1290 Sauverny, Switzerland
    • Reffert, S.. Landessternwarte Königstuhl, 69117 Heidelberg, Germany
    • Ségransan, D.. Observatoire Astronomique de l'Universitè de Genève, 1290 Sauverny, Switzerland
    • Setiawan, J.. Max-Planck-Institut für Astronomie, Königstuhl 17, 69117 Heidelberg, Germany
    • Tubbs, R.. Max-Planck-Institut für Astronomie, Königstuhl 17, 69117 Heidelberg, Germany
    Type de document
    • Postprint
    Langue
    • Inglese
    Publié dans
    • Proceedings of the International Astronomical Union, 2007, vol. 3, no. S248, p. 417-420. Cambridge University Press
    Autre version électronique
    Identifiant OAI-PMH
    • oai:doc.rero.ch:298299
    Summary
    We describe the ongoing hardware and software developments that shall enable the ESO VLTI to perform narrow-angle differential delay astrometry in K-band with an accuracy of up to 10 μarcsec. The ultimate goal of these efforts is to perform an astrometric search for extrasolar planets around nearby stars