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The Use of the MMT for Interferometric Imaging

Published online by Cambridge University Press:  12 April 2016

Jacques M. Beckers  and
E. Keith Hege
Jacques M. Beckers
Affiliation:
National Optical Astronomy Observatories, Tucson, AZ 85726
E. Keith Hege
Affiliation:
University of Arizona, Tucson, AZ 85721

Abstract

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We describe recent progress with interferometric imaging using the Multiple Mirror Telescope (MMT). All six telescopes can now be phased over a wide field of view simultaneously resulting in a (u, v) plane coverage corresponding to that of a 686 cm aperture telescope. We describe the open-loop phasing control of the MMT for gravitational changes and we describe a concept of an internal cophasing/coalignment system for MMT type telescopes.

Type
III. Atmospheric Seeing, Interferometry, Speckle, MMTs and Arrays
Information
International Astronomical Union Colloquium , Volume 79: Very Large Telescopes, their Instrumentation and Programs , 1984 , pp. 279 - 293
Copyright
Copyright © ESO 1984

References

(1) Beckers, J.M.: Hege, E.K.; Low, F.J.; McCarthy, D.W. and Strittmatter, P.A.: “The Use of the Multiple Mirror Telescope as a Phased Array”, SPIE Proceedings 440,136, 1983.CrossRefGoogle Scholar
(2) Beckers, J.M.; Hege, E.K. and Strittmatter, P.A.: “Optical Interferometry with the MMT”, SPIE Proceedings 444, 85, 1983.Google Scholar
(3) Beckers, J.M.; Hege, E.K.; Murphy, H.P.: “The Differential Speckle Interferometer”, SPIE Proceedings 445, 462, 1984.Google Scholar
(4) Beckers, J.M. and Shu, K.L.: “Tolerancing and Limiting Accuracies and Precisions of a NNTT-MMT Coalignment/Cophasing System.” N0A0-Advanced Development Program R&D Note 84–2.Google Scholar
(5) Butts, R.R.; Cusumano, S.J.; Fender, J.S. and DeHainaut, C.R.: “A concept for a Phased Array Laser Transmitter”, SPIE Proceedings Nr. 440, 118, 1983.Google Scholar