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physical object > artifact > device > instrument > telescope > electromagnetic telescope > Earth based telescope > altazimuth telescope > Keck
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Keck
subjectfact 
Keckhas comment Uses 36 hexagonal mirror segments. Plans include using both Keck I and Keck II as an optical interferometer2001-09-27 09:27:47.0
has mounting manufacturer TIW Systems2001-09-27 09:27:47.0
has number of segments 362001-09-27 09:27:47.0
has mirror maker Itek, Tinsley2001-09-27 09:27:47.0
has mirror type Zerodur2001-09-27 09:27:47.0
has mirror diameter 9.82 m2001-09-27 09:27:47.0
has focal ratio f/1.75, 15, 25 IR2001-09-27 09:27:47.0
has operator Univ. of California and Calif. Institute of Technology2001-09-27 09:27:47.0
has owner W.M. Keck Observatory2001-09-27 09:27:47.0
has creation date 19912001-09-27 09:27:47.0
has location Mauna Kea, Hawaii, US2001-09-27 09:27:47.0
is a kind of segmented mirror telescopehas URL: http://www2.keck.hawaii.edu:3636/, 2001-09-27 09:27:47.0
is a kind of optical telescope2001-09-27 09:27:47.0
is a kind of altazimuth telescope2001-09-27 09:27:47.0
is a kind of Ritchey-Chrétien2001-09-27 09:27:47.0
altazimuth telescopehas mounting altazimuth2001-09-27 09:27:46.0
Ritchey-Chrétienhas secondary mirror shape convex hyperboloid2001-09-27 09:27:44.0
has primary mirror shape concave hyperboloid2001-09-27 09:27:44.0
has optical design Ritchey-Chrétien2001-09-27 09:27:44.0
optical telescopehas optical design2001-09-27 09:27:43.0
has reference astrowebhas URL: http://www.cv.nrao.edu/fits/www/yp_optical.html, 2001-09-27 09:27:43.0
Earth based telescopehas longitude in degrees, minutes, seconds (E or W)2001-09-27 09:27:45.0
has latitude in degrees, minutes, seconds (N or S)2001-09-27 09:27:45.0
has altitude height above sea level in meters2001-09-27 09:27:45.0
has temperature ambient2001-09-27 09:27:45.0
reflectorhas aperture or primary mirror diameter2001-09-27 09:27:44.0
telescopehas wavelength sensitivity2001-09-27 09:27:40.0
has angular resolving power2001-09-27 09:27:40.0
has effective diameter2001-09-27 09:27:40.0
has purpose observe celestial objects2001-09-27 09:27:40.0
artifacthas creator2001-09-27 09:27:27.0
physical objecthas angular momentum2001-09-27 09:27:27.0
has mass2001-09-27 09:27:27.0
has velocity2001-09-27 09:27:27.0
has momentum2001-09-27 09:27:27.0
has volume2001-09-27 09:27:27.0
has extent2001-09-27 09:27:27.0
has material2001-09-27 09:27:27.0

Kinds of Keck :

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