urn:nasa:pds:context:facility:observatory.keck 1.1 1.22.0.0 Product_Context 2025-01-07 1.1 Updated schema version. Adding missing "instrument" references. Adding missing "telescope" references. 2016-04-04 1.0 Initial W.M. Keck Observatory Observatory

California Association for Research in Astronomy P.O. Box 220 Kamuela, Hawaii

USA The W.M. Keck Observatory is an astronomical observatory with two 10-meter optical reflecting telescopes located near the summit of Mauna Kea in Hawaii. The telescopes use adaptic optics to move smaller, hexagonal mirror segments rather than one large singluar, contiguous mirror. By using adaptic optics, each segment is stabilized through the use of extremely rigid support structures with three actuators under each segment. Each telescope sits on an altazimuth mount, which provides significant strength and stiffness in their structural design. The Keck Observatory is widely used for observations and research in the optical and infrared wavelengths. The telescopes have provided essential data not only for exoplanet research and planetary studies in our own solar system, but also information about formation of stars, galaxies, and the nature of black holes. For more information, see https://keckobservatory.org/