Inside the Spot: High Contrast Imaging with Adaptive Optics Non-Redundant Masking Interferometry

Details Inside the Spot: High Contrast Imaging with Adaptive Optics Non-Redundant Masking Interferometry Inside the Spot: High Contrast Imaging with Adaptive Optics Non-Redundant Masking Interferometry

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007lyot.confe..28l&link_type=abstract

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

Physics

Optics

Scientific paper

I will describe recent work on high contrast imaging for the characterization of companions to low mass stars. With novel techniques in adaptive optics aperture masking interferometry, much closer inner working angles than typical for Lyot coronagraphy can be implemented. On the Palomar 200, these techniques have been used to measure the dynamical mass and luminosity of a brown dwarf. The combination of adaptive optics and precision radial velocities has been used to determine accurate masses for stars near the Hydrogen burning limit. In near future, improvements in the adaptive optics aperture masking technique may enable the detection of proto-planets in nearby starforming regions.

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