Intensity Interferometer

Part I | Part II | Part III | Part IV
Intensity Interferometer

Photos by Peter Lawson, 26 and 28 July 2003.

Shown here are photographs of the site of the Intensity Interferometer as it was in the summer of 2003. The interferometer observed from 1963 to 1976 and was dismantled shortly thereafter. Seen in these photographs is the circular track that supported the telescopes, the control building (now a house), the foundations of the garage that housed the telescopes, and the cable tower (now a water tower). Mirrors from the interferometer can still be seen in the Nandewar Hotel in Narrabri (photos 3438-3445). The site of the observatory is visible from the air on the flight that returns to Sydney from Narrabri (the flight travels north to Moree, passing east of the observatory, before returning south to Sydney - see photos 3446-3453). Shown the photographs are Peter Lawson and Wes Traub.

For selected photos of the interferometer when it was operational, see the article by R. Hanbury Brown, "Stellar Interferometer at Narrabri Observatory" Sky and Telescope, August 1964, pages 64-69.

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