IOTA: recent technology and science

Wesley Arthur Traub; Jean-Philippe Berger; Michael K. Brewer; Nathaniel P. Carleton; Pierre Y. Kern; Stefan Kraus; Marc G. Lacasse; William H. McGonagle; Rafael Millan-Gabet; John D. Monnier; Ettore Pedretti; Sam Ragland; Robert K. Reich; F. Peter Schloerb; Peter A. Schuller; Kamal Souccar; Gary Wallace

doi:10.1117/12.550916

20 October 2004 IOTA: recent technology and science

Wesley Arthur Traub, Jean-Philippe Berger, Michael K. Brewer, Nathaniel P. Carleton, Pierre Y. Kern, Stefan Kraus, Marc G. Lacasse, William H. McGonagle, Rafael Millan-Gabet, John D. Monnier, Ettore Pedretti, Sam Ragland, Robert K. Reich, F. Peter Schloerb, Peter A. Schuller, Kamal Souccar, Gary Wallace

Author Affiliations +

Proceedings Volume 5491, New Frontiers in Stellar Interferometry; (2004) https://doi.org/10.1117/12.550916
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

Closure-phase science and technology are dominant features of the recent activity at IOTA. Our science projects include imaging several spectroscopic binary stars, imaging YSOs including Herbig AeBe stars, detecting asymmetries in a large sample of Mira stars, and measuring water shells around Miras. Many technology projects were pursued in order to make these science observations possible. These include installation of a third-generation integrated-optics 3-beam combiner (IONIC), completion of the real-time control system software, installation of fringe-packet tracking software, use of narrow sub-H band filters, validation of the phase-closure operation, development of CPLD control of the science camera (PICNIC) and star-tracker camera (LLiST), installation of a new star-tracker camera, expansion of the observing facility, and installation of new semi-automated optical alignment tools.

Citation Download Citation

Wesley Arthur Traub, Jean-Philippe Berger, Michael K. Brewer, Nathaniel P. Carleton, Pierre Y. Kern, Stefan Kraus, Marc G. Lacasse, William H. McGonagle, Rafael Millan-Gabet, John D. Monnier, Ettore Pedretti, Sam Ragland, Robert K. Reich, F. Peter Schloerb, Peter A. Schuller, Kamal Souccar, and Gary Wallace "IOTA: recent technology and science", Proc. SPIE 5491, New Frontiers in Stellar Interferometry, (20 October 2004); https://doi.org/10.1117/12.550916

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