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physical object > artifact > device > instrument > telescope > electromagnetic telescope > Earth based telescope > equatorial telescope > Fork equatorial telescope > Hiltner Telescope

Hiltner Telescope (Hiltner 2.3 m)
subject			fact

Hiltner Telescope	has comment Mirrors repolished 1991
	has mounting manufacturer DFM Engineering, L & F Industries
	has mounting Equatorial fork, friction-disk drives
	has longitude 111° 37' W
	has latitude 31° 57' N
	has mirror maker Contraves (USA)
	has mirror type Cer-Vit
	has aperture 2.34 m
	has focal ratio f/2.07, 13.5
	has synonym Hiltner 2.3 m
	has altitude 1938 m
	has owner Michigan-Dartmouth-MIT Obs.
	has creation date 1986
	has location Kitt Peak, Arizona, US
	is an instance of Ritchey-Chrétien
	is an instance of optical telescope
	is an instance of Fork equatorial telescope
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
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
	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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