Stellar intensity interferometry: experimental steps toward long-baseline observations

Stephan LeBohec; Ben Adams; Isobel Bond; Stella Bradbury; Dainis Dravins; Hannes Jensen; David B. Kieda; Derrick Kress; Edward Munford; Paul D. Nuñez; Ryan Price; Erez Ribak; Joachim Rose; Harold Simpson; Jeremy Smith

doi:10.1117/12.857098

21 July 2010 Stellar intensity interferometry: experimental steps toward long-baseline observations

Stephan LeBohec, Ben Adams, Isobel Bond, Stella Bradbury, Dainis Dravins, Hannes Jensen, David B. Kieda, Derrick Kress, Edward Munford, Paul D. Nuñez, Ryan Price, Erez Ribak, Joachim Rose, Harold Simpson, Jeremy Smith

Author Affiliations +

Proceedings Volume 7734, Optical and Infrared Interferometry II; 77341D (2010) https://doi.org/10.1117/12.857098
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

Experiments are in progress to prepare for intensity interferometry with arrays of air Cherenkov telescopes. At the Bonneville Seabase site, near Salt Lake City, a testbed observatory has been set up with two 3-m air Cherenkov telescopes on a 23-m baseline. Cameras are being constructed, with control electronics for either off- or online analysis of the data. At the Lund Observatory (Sweden), in Technion (Israel) and at the University of Utah (USA), laboratory intensity interferometers simulating stellar observations have been set up and experiments are in progress, using various analog and digital correlators, reaching 1.4 ns time resolution, to analyze signals from pairs of laboratory telescopes.

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Stephan LeBohec, Ben Adams, Isobel Bond, Stella Bradbury, Dainis Dravins, Hannes Jensen, David B. Kieda, Derrick Kress, Edward Munford, Paul D. Nuñez, Ryan Price, Erez Ribak, Joachim Rose, Harold Simpson, and Jeremy Smith "Stellar intensity interferometry: experimental steps toward long-baseline observations", Proc. SPIE 7734, Optical and Infrared Interferometry II, 77341D (21 July 2010); https://doi.org/10.1117/12.857098

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