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Very Large Telescope (VLT)
subject			fact

Very Large Telescope	has comment Four separate telescopes and domes, first unit became operational in 1998
	has diagram
	has longitude 70° 27' W
	has latitude 24° 51' S
	has mirror maker REOSC
	has mirror type Schott Zerodur, active optics
	has element aperture 8.2 m
	has number of elements 4
	has aperture 16 m equivalent
	has focal ratio f/13.5, 15 (each mirror)
	has image
	has acronym VLT
	has altitude 2640 m
	has owner European Southern Observatory
	has creation date 2001
	has location Cerro Paranal, Chile
	is an instance of Ritchey-Chrétien
	is an instance of optical telescope
	is an instance of altazimuth telescope
	is an instance of array 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
array telescope	has element separation
optical telescope	has optical design
	has reference astroweb
Earth based telescope	has mounting manufacturer the person, company or institution that constructed the mounting
	has temperature ambient
reflector	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 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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