AAS 198th Meeting, June 2001
Session 63. Optical Interferometry III
Display, Wednesday, June 6, 2001, 10:00am-7:00pm, Exhibit Hall

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[63.04] Latest Results from the COAST Interferometer

J. S. Young, J. E. Baldwin, R. C. Boysen, D. F. Buscher, A. V. George, C. A. Haniff, J. Keen, D. Pearson, R. N. Tubbs, P. J. Warner, D. M. A. Wilson (University of Cambridge)

We report recent developments at the Cambridge Optical Aperture Synthesis Telescope (COAST). COAST now incorporates new low-noise detectors, with real-time analysis and display of the fringe data. All five telescopes are used routinely, and we have successfully operated COAST in a configuration with a 48-metre maximum baseline.

We also present the latest astronomical results from COAST, including imaging of the CH Cygni symbiotic system at multiple epochs, and the first closure phase measurements in H-alpha on the Be stars Gamma Cas and Zeta Tau.

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