Publications
of the
MPIfR Optical & Infrared Interferometry Group
Wesley
A. 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
New Frontiers in Stellar Interferometry,
Proceedings of SPIE Volume 5491.
Edited by Wesley A. Traub. Bellingham, WA: The International Society
for Optical Engineering, 2004., p.482
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 ofthe 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.
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