A search for circumstellar dust disks with ADONIS

Details A search for circumstellar dust disks with ADONIS A search for circumstellar dust disks with ADONIS

2004-08-28

arxiv.org/abs/astro-ph/0408530v1

Astron.Astrophys. 424 (2004) 613-618

Astronomy and Astrophysics

Astrophysics

To appear in A&A, in press

Scientific paper

10.1051/0004-6361:20034215

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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