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Inner part observation of theβ pictoris disk

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Abstract

The inner regions of the circumstellar disk aroundβ Pictoris might be dust-free due to a possible planet which may have cleared up dust particles. We present a new observational technique based on the use of an anti-blooming CCD in order to directly image this zone. The structure of the disk is revealed down to 2 arcsec from the star (30 AU). We show that theβ Pic disk brightness is neutral inV, R, andI C , but drops down when going inward inB, possibly related to a change in the dust composition. Also, a slight disk asymmetry is present but inverted from the outer to the inner zones.

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Authors and Affiliations

  1. Institut d'Astrophysique, CNRS, Paris, France

    R. Ferlet, A. Lecavelier Des Etangs, G. Perrin, A. Vidal-Madjar & F. Sèvre

  2. Bureau des Longitudes, Paris, France

    F. Colas & J. E. Arlot

  3. CNES, Toulouse, France

    C. Buil

  4. Service d'Astrophysique, DAPNIA, CEA, CEN-Saclay, Gif-sur-Yvette, France

    H. Beust

  5. Groupe d'Astrophysique de Grenoble, Univ. J. Fourier, Grenoble, France

    A. M. Lagrange-Henri

  6. Observatoire de Paris, Section de Meudon, Meudon, France

    J. Lecacheux

  7. Laboratoire d'Astronomie Spatiale, CNRS, Marseille, France

    M. Deleuil & C. Gry

Authors
  1. R. Ferlet
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  2. A. Lecavelier Des Etangs
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  3. G. Perrin
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  4. A. Vidal-Madjar
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  5. F. Sèvre
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  6. F. Colas
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  7. J. E. Arlot
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  8. C. Buil
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  9. H. Beust
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  10. A. M. Lagrange-Henri
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  11. J. Lecacheux
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  12. M. Deleuil
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  13. C. Gry
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Ferlet, R., Lecavelier Des Etangs, A., Perrin, G. et al. Inner part observation of theβ pictoris disk. Astrophys Space Sci 212, 173–180 (1994). https://doi.org/10.1007/BF00984521

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  • DOI: https://doi.org/10.1007/BF00984521

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