Description of the USNO astrometric interferometer

James A. Hughes; Donald J. Hutter

doi:10.1117/12.19278

1 August 1990 Description of the USNO astrometric interferometer

James A. Hughes, Donald J. Hutter

Proceedings Volume 1237, Amplitude and Intensity Spatial Interferometry; (1990) https://doi.org/10.1117/12.19278
Event: SPIE Astronomical Telescopes and Instrumentation for the 21st Century, 1990, Tucson, AZ, United States

Abstract

The U.S. Naval Observatory (USNO) is in the design and very early construction phases of a project to construct and operate an optical interferometer dedicated to astrometry. An overall description of the instrument is given with emphasis on those features which make the device uniquely suited for astrometric observations of the type envisioned. A brief discussion of these types of observations is included. A few of the more general considerations in the design and operation of the instrument are also mentioned. This instrument is in many ways an extension and an enlargement of the MARK III Interferometer at Mt. Wilson which has successfully made astrometric measurements.

Citation Download Citation

James A. Hughes and Donald J. Hutter "Description of the USNO astrometric interferometer", Proc. SPIE 1237, Amplitude and Intensity Spatial Interferometry, (1 August 1990); https://doi.org/10.1117/12.19278

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