altazimuth telescope Comparison Table

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altazimuth telescope comparison table

Subject has purpose has latitude is an instance of has focal ratio has diagram has location has altitude has mounting manufacturer has owner has mirror maker has acronym has primary mirror shape has element separation has mirror diameter has mirror type has number of segment has aperture has optical design has number of element is a kind of has comment has creation date has operator has mount has longitude has image has synonym has secondary mirror shape has element aperture

Astrophysical Research Consortium Telescope observe celestial objects 32° 47' N altazimuth telescope f/1.75 New Mexico, US 2800 m the person, company or institution that constructed the mounting Apache Point R. Angel, B. Martin equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) spin-cast borosilicate honey-comb 3.5 m 1994 altazimuth 105° 49' W ARC 3.5 m

Bol'shoi Teleskop Azimutal'nyi observe celestial objects 43° 39' N altazimuth telescope f/4, 30 Mount Pastukhov, Russia 2100 m LOMO Special Astrophysical Obs. LOMO concave hyperboloid equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) Sitall glass 6.00 m Primary mirror replaced in about 1984, and a third made of Sitall glass was figured in 1992 1975 altazimuth 41° 26'E 6 m convex hyperboloid

Gemini Telescope North observe celestial objects 19° 49' N altazimuth telescope f/1.8, 16IR, 19.6 Mauna Kea, Hawaii, US 4100: m the person, company or institution that constructed the mounting Joint Astronomy Center the person, company or institution that created the mirror concave hyperboloid equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) material and other engineering details 8.1 m Coming ULE meniscus primary mirror; this northem instrument is to be optimized for IR work (1999) altazimuth 155° 28' W convex hyperboloid

Gemini Telescope South observe celestial objects 30° 21' S altazimuth telescope f/1.8, 6 Cerro Pachon, Chile 2725 m the person, company or institution that constructed the mounting Cerro Tololo Inter-American Obs. the person, company or institution that created the mirror concave hyperboloid equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) material and other engineering details 8.1 m Partners in the Gemini project are the US, UK, Canada, Chile, Brazil, and Argentina (2000) altazimuth 70° 49' W convex hyperboloid

Gran Telescopio Canarias observe celestial objects 28° 45' N altazimuth telescope f/1.75. 15, 25 La Palma, Canary Islands 2400 m the person, company or institution that constructed the mounting Obs. del Roque de los Muchachos the person, company or institution that created the mirror GTC concave hyperboloid equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) material and other engineering details 10 m Design similar to that of the Keck instruments; funded by Spain with international partners 2003 altazimuth 17°54' W convex hyperboloid

Hobby-Eberly Telescope spectroscopic survey telescope 30° 41' N altazimuth telescope (f/1.4) f/4.7 Mount Fowlkes, Texas, US 2002 m the person, company or institution that constructed the mounting University of Texas Univ. of Texas, Penn. State equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) material and other engineering details 9.2 m equivalent Spherical figure A project of five universities in US and Germany; 91 spherical mirrors with combined focus for spectroscopy 1997 altazimuth fixed in altitude but rotates in azimuth 104° 01' W

Keck observe celestial objects in degrees, minutes, seconds (N or S) f/1.75, 15, 25 IR Mauna Kea, Hawaii, US height above sea level in meters TIW Systems W.M. Keck Observatory Itek, Tinsley concave hyperboloid 9.82 m Zerodur 36 or primary mirror diameter Ritchey-Chrétien Uses 36 hexagonal mirror segments. Plans include using both Keck I and Keck II as an optical interferometer 1991 Univ. of California and Calif. Institute of Technology altazimuth in degrees, minutes, seconds (E or W) convex hyperboloid

Large Binocular Telescope observe celestial objects 32° 42' N altazimuth telescope f/1.14, 5.4, 15 (each) Mount Graham, Arizona, US 3170 m the person, company or institution that constructed the mounting Columbus Project R. Angel, B. Martin LBT concave paraboloid equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) material and other engineering details 11.8 m Twin 8.4-m reflectors; a project of Univ. of Arizona, Arcetri Astrophysical Obs., and Research Corp. (Tucson) 2004 altazimuth "two-shooter" with telescopes 14.4 m apart (center to center) 109° 51' W convex hyperboloid

Magellan Project observe celestial objects 29° 00' S altazimuth telescope f/1.25, 11, 15 Las Campanas, Chile 2300 m L & F Industries Las Campanes Observatory R. Angel, B. Martin equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) material and other engineering details 6.5 m Cassegrain and Gregorian a twin, Magellan II is to be built in 2001 (1999) Carnegie Institution of Washington altazimuth 70° 42' W Magellan I

MMT Telescope observe celestial objects 31° 41' N altazimuth telescope f/1.25, 5.4, 9, 15 Mount Hopkins, Arizona, US 2608 m de Bartolomeis MMT Observatory R. Angel, B. Martin equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) Spin-cast borosilicate honey-comb 6.5 m (1999) Smithsonian Institution and Univ. of Arizona altazimuth 110° 53' W

Mount Stromlo 2.3-meter observe celestial objects 31 ° 16' S altazimuth telescope f/2.09, 18 Siding Spring Mtn., Australia 1149 m Australian National Univ., Newcastle Dockyard Mt. Stromlo and Siding Spring Obs. Norman Cole equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) Cer-Vit 2.3 m 1984 altazimuth 149° 03' E

New Technology Telescope observe celestial objects 29° 16' S altazimuth telescope U2.2, 11 La Silla, Chile 2353 m the person, company or institution that constructed the mounting European Southern Observatory Zeiss NTT concave hyperboloid equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) thin Zerodur 3.50 m mirror figure controlled by 78 active supports 1989 altazimuth 70° 44' W convex hyperboloid

Nordic Optical Telescope observe celestial objects 28° 45' N altazimuth telescope (f/2.0), 11.0 La Palma, Canary Islands 2382 m the person, company or institution that constructed the mounting Obs. del Roque de Ins Muchachos Optics Labs (Tartu) NOT concave paraboloid equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) Zerodur 2.56 m 1989 altazimuth in rotating building 17° 53'W convex hyperboloid

Sloan Digital Sky Survey Telescope observe celestial objects 32° 47' N altazimuth telescope Apache Point, New Mexico, US 2800 m L & F Industries and University of Washington Astrophys. Res. Consortium Obs. the person, company or institution that created the mirror SDSS concave hyperboloid equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) material and other engineering details 2.5 m To take CCD imagery of a quarter of sky in 5 colors (u, g, r, i, z) and measure redshifts of 1 million galaxies (1998) altazimuth 105° 49' W Sloan 2.5 m convex hyperboloid

Southern African Large Telescope observe celestial objects 32° 23' S altazimuth telescope (f/1.4) f/4.7 Sutherland, South Africa 1798 m the person, company or institution that constructed the mounting South African Astronomical Obs. the person, company or institution that created the mirror SALT equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) material and other engineering details 9.1 m Spherical figure A twin of the Hobby-Eberly Telescope (2004) altazimuth fixed in altitude but rotates in azimuth 20° 49'E

Subaru Telescope observe celestial objects 19° 49' N altazimuth telescope f/1.8, 12.5, 35 Mauna Kea, Hawaii, US 4215 m Mitsubishi National Astronomy Obs. (Japan) the person, company or institution that created the mirror concave hyperboloid equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) material and other engineering details 8.3 m Thin primary (Coming ULE) under active control (1999) altazimuth 155° 28' W Subaru convex hyperboloid

Telescopio Nazionale Galileo observe celestial objects 28° 45' N altazimuth telescope f/2.5, 6, 11 La Palma, Canary Islands 2370 m the person, company or institution that constructed the mounting Obs. del Roque de los Muchachos Zeiss concave hyperboloid equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) Zerodur 3.58 m (1998) altazimuth 17° 54'W Galileo convex hyperboloid

Very Large Telescope observe celestial objects 24° 51' S array telescope f/13.5, 15 (each mirror) Cerro Paranal, Chile 2640 m the person, company or institution that constructed the mounting European Southern Observatory REOSC VLT concave hyperboloid equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) Schott Zerodur, active optics 16 m equivalent 4 Four separate telescopes and domes, first unit became operational in 1998 2001 altazimuth 70° 27' W convex hyperboloid 8.2 m

William Herschel Telescope observe celestial objects 28° 46' N altazimuth telescope 02.5, 11 La Palma, Canary Islands 2332 m Grubb-Parsons Obs. del Roque de los Muchachos Grubb-Parsons WHT equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) Owens-Illinois Cer-Vit 4.2 m 1987 Royal Greenwich Observatory altazimuth 17° 53' W

Wisconsin-Indiana-Yale-NOAO Telescope observe celestial objects 31° 57' N altazimuth telescope (f/1.75) f/6.3 Kitt Peak, Arizona. US 2089 m L & F Industries WIYN Observatory Charles Harmer/NOAO equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) spin-cast borosilicate honey-comb 3.5 m mirror by Steward Observatory Mirror Lab (R. Angel) 1994 altazimuth 111° 36' W WIYN 3.5 m

Next Earth based telescope: equatorial telescope Up: Earth based telescope Previous Earth based telescope: transit telescope

Subject	has purpose	has latitude	is an instance of	has focal ratio	has diagram	has location	has altitude	has mounting manufacturer	has owner	has mirror maker	has acronym	has primary mirror shape	has element separation	has mirror diameter	has mirror type	has number of segment	has aperture	has optical design	has number of element	is a kind of	has comment	has creation date	has operator	has mount	has longitude	has image	has synonym	has secondary mirror shape	has element aperture
Astrophysical Research Consortium Telescope	observe celestial objects	32° 47' N	altazimuth telescope	f/1.75		New Mexico, US	2800 m	the person, company or institution that constructed the mounting	Apache Point	R. Angel, B. Martin				equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	spin-cast borosilicate honey-comb		3.5 m					1994		altazimuth	105° 49' W		ARC 3.5 m
Bol'shoi Teleskop Azimutal'nyi	observe celestial objects	43° 39' N	altazimuth telescope	f/4, 30		Mount Pastukhov, Russia	2100 m	LOMO	Special Astrophysical Obs.	LOMO		concave hyperboloid		equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	Sitall glass		6.00 m				Primary mirror replaced in about 1984, and a third made of Sitall glass was figured in 1992	1975		altazimuth	41° 26'E		6 m	convex hyperboloid
Gemini Telescope North	observe celestial objects	19° 49' N	altazimuth telescope	f/1.8, 16IR, 19.6		Mauna Kea, Hawaii, US	4100: m	the person, company or institution that constructed the mounting	Joint Astronomy Center	the person, company or institution that created the mirror		concave hyperboloid		equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	material and other engineering details		8.1 m				Coming ULE meniscus primary mirror; this northem instrument is to be optimized for IR work	(1999)		altazimuth	155° 28' W			convex hyperboloid
Gemini Telescope South	observe celestial objects	30° 21' S	altazimuth telescope	f/1.8, 6		Cerro Pachon, Chile	2725 m	the person, company or institution that constructed the mounting	Cerro Tololo Inter-American Obs.	the person, company or institution that created the mirror		concave hyperboloid		equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	material and other engineering details		8.1 m				Partners in the Gemini project are the US, UK, Canada, Chile, Brazil, and Argentina	(2000)		altazimuth	70° 49' W			convex hyperboloid
Gran Telescopio Canarias	observe celestial objects	28° 45' N	altazimuth telescope	f/1.75. 15, 25		La Palma, Canary Islands	2400 m	the person, company or institution that constructed the mounting	Obs. del Roque de los Muchachos	the person, company or institution that created the mirror	GTC	concave hyperboloid		equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	material and other engineering details		10 m				Design similar to that of the Keck instruments; funded by Spain with international partners	2003		altazimuth	17°54' W			convex hyperboloid
Hobby-Eberly Telescope	spectroscopic survey telescope	30° 41' N	altazimuth telescope	(f/1.4) f/4.7		Mount Fowlkes, Texas, US	2002 m	the person, company or institution that constructed the mounting	University of Texas	Univ. of Texas, Penn. State				equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	material and other engineering details		9.2 m equivalent	Spherical figure			A project of five universities in US and Germany; 91 spherical mirrors with combined focus for spectroscopy	1997		altazimuth fixed in altitude but rotates in azimuth	104° 01' W
Keck	observe celestial objects	in degrees, minutes, seconds (N or S)		f/1.75, 15, 25 IR		Mauna Kea, Hawaii, US	height above sea level in meters	TIW Systems	W.M. Keck Observatory	Itek, Tinsley		concave hyperboloid		9.82 m	Zerodur	36	or primary mirror diameter			Ritchey-Chrétien	Uses 36 hexagonal mirror segments. Plans include using both Keck I and Keck II as an optical interferometer	1991	Univ. of California and Calif. Institute of Technology	altazimuth	in degrees, minutes, seconds (E or W)			convex hyperboloid
Large Binocular Telescope	observe celestial objects	32° 42' N	altazimuth telescope	f/1.14, 5.4, 15 (each)		Mount Graham, Arizona, US	3170 m	the person, company or institution that constructed the mounting	Columbus Project	R. Angel, B. Martin	LBT	concave paraboloid		equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	material and other engineering details		11.8 m				Twin 8.4-m reflectors; a project of Univ. of Arizona, Arcetri Astrophysical Obs., and Research Corp. (Tucson)	2004		altazimuth "two-shooter" with telescopes 14.4 m apart (center to center)	109° 51' W			convex hyperboloid
Magellan Project	observe celestial objects	29° 00' S	altazimuth telescope	f/1.25, 11, 15		Las Campanas, Chile	2300 m	L & F Industries	Las Campanes Observatory	R. Angel, B. Martin				equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	material and other engineering details		6.5 m	Cassegrain and Gregorian			a twin, Magellan II is to be built in 2001	(1999)	Carnegie Institution of Washington	altazimuth	70° 42' W		Magellan I
MMT Telescope	observe celestial objects	31° 41' N	altazimuth telescope	f/1.25, 5.4, 9, 15		Mount Hopkins, Arizona, US	2608 m	de Bartolomeis	MMT Observatory	R. Angel, B. Martin				equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	Spin-cast borosilicate honey-comb		6.5 m					(1999)	Smithsonian Institution and Univ. of Arizona	altazimuth	110° 53' W
Mount Stromlo 2.3-meter	observe celestial objects	31 ° 16' S	altazimuth telescope	f/2.09, 18		Siding Spring Mtn., Australia	1149 m	Australian National Univ., Newcastle Dockyard	Mt. Stromlo and Siding Spring Obs.	Norman Cole				equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	Cer-Vit		2.3 m					1984		altazimuth	149° 03' E
New Technology Telescope	observe celestial objects	29° 16' S	altazimuth telescope	U2.2, 11		La Silla, Chile	2353 m	the person, company or institution that constructed the mounting	European Southern Observatory	Zeiss	NTT	concave hyperboloid		equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	thin Zerodur		3.50 m				mirror figure controlled by 78 active supports	1989		altazimuth	70° 44' W			convex hyperboloid
Nordic Optical Telescope	observe celestial objects	28° 45' N	altazimuth telescope	(f/2.0), 11.0		La Palma, Canary Islands	2382 m	the person, company or institution that constructed the mounting	Obs. del Roque de Ins Muchachos	Optics Labs (Tartu)	NOT	concave paraboloid		equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	Zerodur		2.56 m					1989		altazimuth in rotating building	17° 53'W			convex hyperboloid
Sloan Digital Sky Survey Telescope	observe celestial objects	32° 47' N	altazimuth telescope			Apache Point, New Mexico, US	2800 m	L & F Industries and University of Washington	Astrophys. Res. Consortium Obs.	the person, company or institution that created the mirror	SDSS	concave hyperboloid		equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	material and other engineering details		2.5 m				To take CCD imagery of a quarter of sky in 5 colors (u, g, r, i, z) and measure redshifts of 1 million galaxies	(1998)		altazimuth	105° 49' W		Sloan 2.5 m	convex hyperboloid
Southern African Large Telescope	observe celestial objects	32° 23' S	altazimuth telescope	(f/1.4) f/4.7		Sutherland, South Africa	1798 m	the person, company or institution that constructed the mounting	South African Astronomical Obs.	the person, company or institution that created the mirror	SALT			equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	material and other engineering details		9.1 m	Spherical figure			A twin of the Hobby-Eberly Telescope	(2004)		altazimuth fixed in altitude but rotates in azimuth	20° 49'E
Subaru Telescope	observe celestial objects	19° 49' N	altazimuth telescope	f/1.8, 12.5, 35		Mauna Kea, Hawaii, US	4215 m	Mitsubishi	National Astronomy Obs. (Japan)	the person, company or institution that created the mirror		concave hyperboloid		equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	material and other engineering details		8.3 m				Thin primary (Coming ULE) under active control	(1999)		altazimuth	155° 28' W		Subaru	convex hyperboloid
Telescopio Nazionale Galileo	observe celestial objects	28° 45' N	altazimuth telescope	f/2.5, 6, 11		La Palma, Canary Islands	2370 m	the person, company or institution that constructed the mounting	Obs. del Roque de los Muchachos	Zeiss		concave hyperboloid		equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	Zerodur		3.58 m					(1998)		altazimuth	17° 54'W		Galileo	convex hyperboloid
Very Large Telescope	observe celestial objects	24° 51' S	array telescope	f/13.5, 15 (each mirror)		Cerro Paranal, Chile	2640 m	the person, company or institution that constructed the mounting	European Southern Observatory	REOSC	VLT	concave hyperboloid		equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	Schott Zerodur, active optics		16 m equivalent		4		Four separate telescopes and domes, first unit became operational in 1998	2001		altazimuth	70° 27' W			convex hyperboloid	8.2 m
William Herschel Telescope	observe celestial objects	28° 46' N	altazimuth telescope	02.5, 11		La Palma, Canary Islands	2332 m	Grubb-Parsons	Obs. del Roque de los Muchachos	Grubb-Parsons	WHT			equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	Owens-Illinois Cer-Vit		4.2 m					1987	Royal Greenwich Observatory	altazimuth	17° 53' W
Wisconsin-Indiana-Yale-NOAO Telescope	observe celestial objects	31° 57' N	altazimuth telescope	(f/1.75) f/6.3		Kitt Peak, Arizona. US	2089 m	L & F Industries	WIYN Observatory	Charles Harmer/NOAO				equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)	spin-cast borosilicate honey-comb		3.5 m				mirror by Steward Observatory Mirror Lab (R. Angel)	1994		altazimuth	111° 36' W		WIYN 3.5 m