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Title: Keck interferometer update
Authors: Colavita, M. M.
Wizinowich, P. L.
Issue Date: 22-Aug-2002
Citation: Interferometry in Optical Astronomy II (SPIE)
Waikaloa, Hawaii, USA
Abstract: The Keck Interferometer is a NASA-funded joint development between JPL and the W. M. Keck Observatory. The first phase of the project combines the two 10-m Keck Telescopes for high sensitivity near-infrared fringe visibility measurements, nulling interferometry at 10 pm to measure the quantity of exozodiacal emission around nearby stars, and differential-phase measurements to detect hot Jupiters by their direct emission. First fringes with the interferometer were obtained in March 200 1 using the two Kecks with their A 0 systems. Subsequent engineering work been focusedtoward the visibility mode in the areas of improving sensitivity, increasing automation, and adding functionality, in preparation for the high-precision modes. Recently four shared-risk teams were selected by NASA to participate in early science observations, and initial shared-risk science observations have begun.
Appears in Collections:JPL TRS 1992+

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