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physical object > artifact > device > instrument > telescope > electromagnetic telescope > Earth based telescope > equatorial telescope > English equatorial telescope > NASA Infrared Telescope Facility

NASA Infrared Telescope Facility (NASA IRTF)
subject			fact

NASA Infrared Telescope Facility	has mounting manufacturer de Bartolomeis
	has longitude 155° 28' W
	has latitude 19° 50' N
	has mirror maker KPNO Optical Shop
	has mirror type Cer-Vit
	has aperture 3.00 m
	has focal ratio f/2.5, 35, 120 IR
	has acronym NASA IRTF
	has altitude 4208 m
	has owner Mauna Kea Observatory
	has purpose infrared work
	has creation date 1979
	has location Mauna Kea, Hawaii, US
	is an instance of Cassegrain
	is an instance of optical telescope
	is an instance of English equatorial telescope
English equatorial telescope	has mounting English equatorial
Cassegrain	has secondary mirror shape convex hyperboloid
	has primary mirror shape concave paraboloid
	has optical design Cassegrain
optical telescope	has optical design
	has reference astroweb
reflector	has mirror diameter equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)
Earth based telescope	has temperature ambient
telescope	has wavelength sensitivity
	has angular resolving power
	has effective diameter
	has operator
artifact	has creator
physical object	has angular momentum
	has mass
	has velocity
	has momentum
	has volume
	has extent
	has material

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