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21 July 2010 Instrumental developments for the Sydney University Stellar Interferometer
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Abstract
The Sydney University Stellar Interferometer (SUSI) has been enhanced by installation of the PAVO beam combiner, which uses an electron-multiplying CCD detector giving a fast, low-noise 2D readout. This allows PAVO to provide wide-band wavelength dispersed beam combination, which improves sensitivity and scientific productivity. PAVO also provides pupil segmentation which improves the instrumental fringe visibility. A remote operations facility has been established, which allows SUSI to be operated from Sydney or elsewhere. A new control system for the longitudinal dispersion corrector and siderostats is under development. Installation has commenced of a high precision differential astrometry system (MUSCA) which aims to detect planets in binary star systems.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. Gordon Robertson, Michael J. Ireland, William J. Tango, John Davis, Peter G. Tuthill, Andrew P. Jacob, Yitping Kok, and Theo A. ten Brummelaar "Instrumental developments for the Sydney University Stellar Interferometer", Proc. SPIE 7734, Optical and Infrared Interferometry II, 773405 (21 July 2010); https://doi.org/10.1117/12.856557
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