Canada–France–Hawaii Telescope

E99069

astronomical observatory infrared telescope optical telescope research infrastructure

The Canada–France–Hawaii Telescope is a 3.6-meter optical and infrared telescope on Mauna Kea in Hawaii, operated collaboratively by Canada, France, and the University of Hawaii for astronomical research.

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All labels observed (12)

Label	Occurrences
Canada–France–Hawaii Telescope canonical	14
Canada-France-Hawaii Telescope	12
Canada–France–Hawaii Telescope Corporation	5
CFHT	4
Canada-France-Hawaii Telescope Corporation	3
3.6-metre Canada–France–Hawaii Telescope	2
CFHT 3.6 m telescope	1
Canada-France-Hawaii Telescope 3.6 m telescope	1
Canada-France-Hawaii Telescope Observatory	1
Canada–France–Hawaii Telescope collaboration	1
Canada–France–Hawaii Telescope observatory	1
Canada–France–Hawaii Telescope partnership	1

How this entity was disambiguated

This entity first appeared as the object of triple T796337 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Canada–France–Hawaii Telescope
Context triple: [Mauna Kea, hasObservatory, Canada–France–Hawaii Telescope]

A. Subaru Telescope
The Subaru Telescope is an 8.2-meter optical-infrared reflecting telescope operated by Japan’s National Astronomical Observatory, renowned for wide-field deep-sky observations.
B. Gemini South Observatory
Gemini South Observatory is a major 8.1-meter optical and infrared telescope facility located on Cerro Pachón in Chile, forming the southern half of the international Gemini Observatory.
C. Gemini North Observatory
Gemini North Observatory is a premier 8.1-meter optical/infrared telescope facility located on Maunakea in Hawaii, forming one half of the international Gemini Observatory.
D. Magellan Clay Telescope
The Magellan Clay Telescope is one of the twin 6.5-meter Magellan telescopes at Las Campanas Observatory in Chile, used for cutting-edge optical and infrared astronomical research.
E. Víctor M. Blanco 4-meter Telescope
The Víctor M. Blanco 4-meter Telescope is a prominent optical telescope in Chile widely used for deep-sky surveys and cosmological research.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Canada–France–Hawaii Telescope
Target entity description: The Canada–France–Hawaii Telescope is a 3.6-meter optical and infrared telescope on Mauna Kea in Hawaii, operated collaboratively by Canada, France, and the University of Hawaii for astronomical research.

A. Subaru Telescope
The Subaru Telescope is an 8.2-meter optical-infrared reflecting telescope operated by Japan’s National Astronomical Observatory, renowned for wide-field deep-sky observations.
B. Gemini South Observatory
Gemini South Observatory is a major 8.1-meter optical and infrared telescope facility located on Cerro Pachón in Chile, forming the southern half of the international Gemini Observatory.
C. Gemini North Observatory
Gemini North Observatory is a premier 8.1-meter optical/infrared telescope facility located on Maunakea in Hawaii, forming one half of the international Gemini Observatory.
D. Magellan Clay Telescope
The Magellan Clay Telescope is one of the twin 6.5-meter Magellan telescopes at Las Campanas Observatory in Chile, used for cutting-edge optical and infrared astronomical research.
E. Víctor M. Blanco 4-meter Telescope
The Víctor M. Blanco 4-meter Telescope is a prominent optical telescope in Chile widely used for deep-sky surveys and cosmological research.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	astronomical observatory ⓘ infrared telescope ⓘ optical telescope ⓘ research infrastructure ⓘ
abbreviation	CFHT ⓘ linked to: Canada–France–Hawaii Telescope
altitude	approximately 4200 metres above sea level ⓘ
commissioned	1979 ⓘ
constructionCompleted	1979 ⓘ
countryPartner	Canada ⓘ France ⓘ United States ⓘ linked to: United States of America
firstLight	1979 ⓘ
governingBody	Canada–France–Hawaii Telescope Board of Directors ⓘ
hasAperture	3.58-metre primary mirror ⓘ 3.6-metre primary mirror ⓘ
hasDome	alt-azimuth rotating dome ⓘ
hasInstrument	ESPaDOnS ⓘ MegaCam ⓘ SITELLE ⓘ SPIRou ⓘ WIRCam ⓘ
locatedAt	Mauna Kea Observatory ⓘ linked to: Mauna Kea Observatories
locatedIn	Hawaii ⓘ United States ⓘ linked to: United States of America
locatedNear	summit of Mauna Kea ⓘ
locatedOn	Mauna Kea ⓘ
mirrorMaterial	glass-ceramic ⓘ
mountType	equatorial mount ⓘ
observatoryCode	568 ⓘ
operatedBy	Canada–France–Hawaii Telescope Corporation ⓘ linked to: Canada–France–Hawaii Telescope Centre national de la recherche scientifique ⓘ linked to: Centre National de la Recherche Scientifique National Research Council Canada ⓘ University of Hawaii ⓘ linked to: University of Hawaiʻi system
ownedBy	Canada–France–Hawaii Telescope Corporation ⓘ linked to: Canada–France–Hawaii Telescope
partOf	Mauna Kea Observatories ⓘ
primaryUse	astronomical research ⓘ infrared astronomy ⓘ optical astronomy ⓘ
scientificContribution	deep imaging of distant galaxies ⓘ exoplanet research ⓘ stellar magnetic field measurements ⓘ studies of dark matter through weak lensing ⓘ surveys of Kuiper belt objects ⓘ
scientificProgram	large imaging surveys ⓘ time-domain astronomy programs ⓘ
telescopeType	Ritchey–Chrétien telescope ⓘ linked to: Ritchey–Chrétien reflector
wavelengthRange	near-infrared ⓘ optical ⓘ
website	https://www.cfht.hawaii.edu/ ⓘ

How these facts were elicited