A search for circumstellar dust disks with ADONIS

Canada); Chile; (4) ING La Palma; E. Pantin (2); France; (3) ESO Santiago; Germany; (2) CEA Saclay; H. Boehnhardt (1); J. Hahn (5); M. Sterzik (3); O. Schuetz (1); S. Els (4)

arxiv: astro-ph/0408530 · v1 · submitted 2004-08-28 · 🌌 astro-ph

A search for circumstellar dust disks with ADONIS

O. Schuetz (1) , H. Boehnhardt (1) , E. Pantin (2) , M. Sterzik (3) , S. Els (4) , J. Hahn (5) , Th. Henning (1) ((1) MPIA Heidelberg , Germany; (2) CEA Saclay

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France; (3) ESO Santiago Chile; (4) ING La Palma Spain; (5) Saint Mary's University Halifax Canada)

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keywords circumstellaradaptiveadonisdisksdustinfraredopticssearch

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We present results of a coronographic imaging search for circumstellar dust disks with the Adaptive Optics Near Infrared System (ADONIS) at the ESO 3.6m telescope in La Silla (Chile). 22 candidate stars, known to be orbited by a planet or to show infrared excess radiation, were examined for circumstellar material. In the PSF-subtracted images no clear disk was found. We further determine the detection sensitivities and outline how remaining atmospheric fluctuations still can hamper adaptive optics observations.

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A search for circumstellar dust disks with ADONIS

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