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Published January 6, 2014 | Published
Book Section - Chapter Open

First High-Angular Resolution L' Images of the β Pictoris Debris Disc with the VLT/NaCo

Abstract

Imaging debris discs in the L′-band (3.8 μm) is a difficult task. Quasi-static speckles from imperfect optics prevail below 1″ whereas background emission is the dominant noise source beyond that separation and is much larger than at shorter wavelengths. We demonstrate here the potential of the newly commissioned AGPM coronograph on VLT/NaCo combined with advanced star and sky subtraction technique based on Principal Component Analysis, and we analyze the morphology of the β Pictoris disc.

Additional Information

© 2013 International Astronomical Union. Published online: 06 January 2014.

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