Post-processing of high-contrast observations of exoplanets

Details Post-processing of high-contrast observations of exoplanets Post-processing of high-contrast observations of exoplanets

Jul 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epjwc..1603006g&link_type=abstract

Research, Science and Technology of Brown Dwarfs and Exoplanets: Proceedings of an International Conference held in Shangai on O

Physics

Optics

Scientific paper

Post-processing of images delivered by the eXtreme Adaptive Optics (XAO) instrumentation is a crucial step which can increase achievable contrast even by two orders of magnitude. In this communication I present a new class of algorithms for detection of extrasolar planets from a sequence of adaptive-optics-corrected images. In general, the methods discriminate between real sources and stellar PSF features based on statistics of recorded intensity. The methods are particularly useful in dealing with static speckles which are the greatest obstacle in detecting exoplanets.

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