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Multiple Stars Across the H-R Diagram pp 193–198Cite as

Searching for Planets Around Stars in Wide Binaries

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Part of the book series: ESO Astrophysics Symposia ((ESO))

Summary

We present the status of the radial velocity planet search ongoing at TNG. We are observing about 50 wide binaries with similar components, searching for planets and abundance anomalies caused by the ingestion of metal-rich planetary material. A by-product of our project is the detection of several new spectroscopic binaries. No clear planet detection emerged up to now. Evaluation of the statistical significance in terms of frequency of planets in binaries is in progress. The abundance analysis of half of the sample revealed no pair with large difference

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Author information

Authors and Affiliations

  1. INAF - Osservatorio Astronomico di Padova, 00133 Roma

    Silvano Desidera, Raffaele Gratton, Riccardo Claudi, Mauro Barbieri, Sara Lucatello & Aldo F. Martinez Fiorenzano

  2. INAF - Osservatorio Astrofisico di Catania, 00133 Roma

    Giovanni Bonannno, Rosario Cosentino & Salvo Scuderi

  3. Dipartimento di Astronomia, Università di Padova, Osservatorio, 35122 Padova

    Mariangela Bonavita & Aldo F. Martinez Fiorenzano

  4. INAF - Centro Galileo Galilei, 00133 Roma

    Rosario Cosentino

  5. McDonald Observatory, University of Texas at Austin, Austin, Texas

    Michael Endl

  6. Dipartimento di Fisica, Università di Padova, Cubo

    Francesco Marzari

Authors
  1. Silvano Desidera
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  2. Raffaele Gratton
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  3. Riccardo Claudi
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  4. Mauro Barbieri
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  5. Giovanni Bonannno
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  6. Mariangela Bonavita
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  7. Rosario Cosentino
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  8. Michael Endl
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  9. Sara Lucatello
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  10. Aldo F. Martinez Fiorenzano
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  11. Francesco Marzari
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  12. Salvo Scuderi
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Editor information

Editors and Affiliations

  1. European Southern Observatory, 3107 Alonso de Cordova, Santiago, Vitacura, Chile

    Swetlana Hubrig

  2. European Southern Observatory, 2 Karl-Schwar schild-Str, Garching 85748, Germany

    Monika Petr-Gotzens

  3. Inter-American Observatory, Cerro Tololo (CTIO), La Serena, Chile

    Andrei Tokovinin

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© 2008 Springer-Verlag Berlin Heidelberg

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Desidera, S. et al. (2008). Searching for Planets Around Stars in Wide Binaries. In: Hubrig, S., Petr-Gotzens, M., Tokovinin, A. (eds) Multiple Stars Across the H-R Diagram. ESO Astrophysics Symposia. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74745-1_26

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