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Sloan Digital Sky Survey Telescope (Sloan 2.5 m, SDSS)
subject			fact

Sloan Digital Sky Survey Telescope	has comment To take CCD imagery of a quarter of sky in 5 colors (u, g, r, i, z) and measure redshifts of 1 million galaxies
	has mounting manufacturer L & F Industries and University of Washington
	has longitude 105° 49' W
	has latitude 32° 47' N
	has aperture 2.5 m
	has synonym Sloan 2.5 m
	has acronym SDSS
	has altitude 2800 m
	has owner Astrophys. Res. Consortium Obs.
	has creation date (1998)
	has location Apache Point, New Mexico, US
	is an instance of Ritchey-Chrétien
	is an instance of optical telescope
	is an instance of altazimuth telescope
altazimuth telescope	has mounting altazimuth
Ritchey-Chrétien	has secondary mirror shape convex hyperboloid
	has primary mirror shape concave hyperboloid
	has optical design Ritchey-Chrétien
optical telescope	has optical design
	has reference astroweb
Earth based telescope	has temperature ambient
reflector	has mirror maker the person, company or institution that created the mirror
	has mirror type material and other engineering details
	has mirror diameter equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)
telescope	has wavelength sensitivity
	has angular resolving power
	has effective diameter
	has focal ratio
	has operator
	has purpose observe celestial objects
artifact	has creator
physical object	has angular momentum
	has mass
	has velocity
	has momentum
	has volume
	has extent
	has material

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