Forty Years of Progress in Long-Baseline Optical Interferometry: 2005 Robert Ellery Lecture

Details Forty Years of Progress in Long-Baseline Optical Interferometry: 2005 Robert Ellery Lecture Forty Years of Progress in Long-Baseline Optical Interferometry: 2005 Robert Ellery Lecture

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006pasa...23...94d&link_type=abstract

Publications of the Astronomical Society of Australia, Volume 23, Issue 2, pp. 94-104.

Astronomy and Astrophysics

Astronomy

3

Keywords Instrumentation: High Angular Resolution, Instrumentation: Interferometers, Techniques: Interferometric, Stars: Fundamental Parameters, Binaries: Spectroscopic, Cepheids

Scientific paper

The development of long-baseline optical interferometry in Australia from the Narrabri Stellar Intensity Interferometer (NSII) to the Sydney University Stellar Interferometer (SUSI) and the resulting technical and scientific achievements are described. Three examples of results from the SUSI programme, for a single star, a double-lined spectroscopic binary, and a Cepheid variable, are presented to illustrate the advances made in the past four decades. The leading role that Australia has played in the development of the field worldwide is discussed from a personal viewpoint. Long-baseline optical interferometry has promised much, has been slow to deliver, and has been restricted to black-belt interferometrists, but it has now matured to the point where it is becoming an observational technique for astronomers in general.

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