Keck Interferometer

Details Keck Interferometer Keck Interferometer

Jan 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...191.0912s&link_type=abstract

American Astronomical Society, 191st AAS Meeting, #09.12; Bulletin of the American Astronomical Society, Vol. 29, p.1225

Physics

Optics

Scientific paper

The Keck Interferometer is being developed by JPL and CARA as one of the ground-based components of NASA's Origins program. The system will interferometrically combine the two 10-m Keck telescopes with four proposed 1.8-m outrigger telescopes located at the periphery of the Keck site on Mauna Kea. Using an isoplanatic reference, adaptive optics on the Keck telescopes will provide phased wavefronts to the interferometer, which, in conjuction with wavefront path length matching in the interferometer (cophasing), will provide high sensitivity. Back-end instrumentation will include two-way combiners for cophasing and single-baseline measurements, a nulling combiner for high-dynamic range measurements, and a multiway imaging combiner. Science objectives include the measurement of exozodical dust around other stars, the detection of warm stellar companions through multi-color differential-phase measurements, astrometric searches for Jupiter and Uranus mass stellar companions, and a wide range of infrared imaging.

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