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2013MNRAS.433.1718I - Mon. Not. R. Astron. Soc., 433, 1718-1728 (2013/August-1)
Phase errors in diffraction-limited imaging: contrast limits for sparse aperture masking.
IRELAND M.J.
Abstract (from CDS):
I show that the current generation of aperture-masking observations of young solar-type stars, taken carefully in excellent observing conditions, are consistent with being limited by temporal phase noise and photon noise. This has relevance for plans to combine pupil remapping with spatial filtering.
Finally, I describe calibration strategies for kernel phase, including the optimized calibrator weighting as used for LkCa15, and the restricted kernel phase POISE (phase observationally independent of systematic errors) technique that avoids explicit dependence on calibrators.
Abstract Copyright: © 2013 The Author Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)
Journal keyword(s): instrumentation: adaptive optics - instrumentation: high angular resolution - techniques: image processing - techniques: interferometric
Simbad objects: 2
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