The Lyot Project: Survey Analysis

Details The Lyot Project: Survey Analysis The Lyot Project: Survey Analysis

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007lyot.confe..44l&link_type=abstract

Proceedings of the conference In the Spirit of Bernard Lyot: The Direct Detection of Planets and Circumstellar Disks in the 21s

Computer Science

Scientific paper

The Lyot project survey has observed 57 stars so far. We have developed some image processing and analysis tools to reduce speckle noise with Angular Differential Imaging, and to estimate the detection sensitivity (dynamic range) from the data. We apply these techniques to each star of the survey, and give a general overview of the instrument sensitivity. We use a Monte-Carlo based approach to define the possible population of companions around these stars, and we determine the completeness of each observation as a function of mass and semi-major axis, according to the measured dynamic range for each star. We use the overall survey non-detection results to constrain the possible population of companions.

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