Very Large Telescope
E33473
The Very Large Telescope is a flagship array of four large optical telescopes operated by the European Southern Observatory, renowned for its cutting-edge astronomical observations and discoveries.
All labels observed (27)
How this entity was disambiguated
This entity first appeared as the object of triple T253490 — 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: Very Large Telescope Context triple: [Northern Chile, contains, Very Large Telescope]
-
A.
Giant Magellan Telescope
The Giant Magellan Telescope is a next-generation, extremely large ground-based optical and infrared telescope designed to achieve unprecedented resolution for astronomical observations.
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B.
Magellan Telescopes
Magellan Telescopes are a pair of 6.5-meter optical-infrared telescopes at Las Campanas Observatory in Chile, used for cutting-edge astronomical research by an international collaboration.
-
C.
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.
-
D.
Baade Telescope
The Baade Telescope is one of the twin 6.5-meter Magellan optical telescopes used for cutting-edge astronomical research in Chile.
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E.
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.
- 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: Very Large Telescope Target entity description: The Very Large Telescope is a flagship array of four large optical telescopes operated by the European Southern Observatory, renowned for its cutting-edge astronomical observations and discoveries.
-
A.
Giant Magellan Telescope
The Giant Magellan Telescope is a next-generation, extremely large ground-based optical and infrared telescope designed to achieve unprecedented resolution for astronomical observations.
-
B.
Magellan Telescopes
Magellan Telescopes are a pair of 6.5-meter optical-infrared telescopes at Las Campanas Observatory in Chile, used for cutting-edge astronomical research by an international collaboration.
-
C.
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.
-
D.
Baade Telescope
The Baade Telescope is one of the twin 6.5-meter Magellan optical telescopes used for cutting-edge astronomical research in Chile.
-
E.
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.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory
ⓘ
optical telescope array ⓘ |
| abbreviation |
Very Large Telescope
self-linksurface differs
ⓘ
surface form:
VLT
|
| acronym |
Very Large Telescope
self-linksurface differs
ⓘ
surface form:
VLTI
|
| altitude | about 2635 meters above sea level ⓘ |
| auxiliaryTelescopeAperture | 1.8 meters ⓘ |
| country | Chile ⓘ |
| designGoal |
high angular resolution
ⓘ
high sensitivity ⓘ |
| firstLight | 1998 ⓘ |
| fullyOperational | early 2000s ⓘ |
| fundingSource | member states of the European Southern Observatory ⓘ |
| governingBody | ESO Council ⓘ |
| hasAdaptiveOptics | yes ⓘ |
| hasAuxiliaryTelescopes | 4 ⓘ |
| hasInstrument |
FORS2
ⓘ
HAWK-I ⓘ MUSE ⓘ SPHERE ⓘ UVES ⓘ VISIR ⓘ X-shooter ⓘ |
| hasInterferometer |
Very Large Telescope
self-linksurface differs
ⓘ
surface form:
Very Large Telescope Interferometer
|
| locatedIn |
Atacama Desert
ⓘ
Paranal Observatory ⓘ
surface form:
Cerro Paranal
Paranal Observatory ⓘ |
| mirrorTechnology |
active optics
ⓘ
adaptive optics ⓘ |
| mountType | altazimuth mount ⓘ |
| notableDiscovery |
detailed observations of the supermassive black hole at the center of the Milky Way
ⓘ
direct imaging of exoplanets ⓘ measurements of the accelerating expansion of the Universe ⓘ |
| numberOfUnitTelescopes | 4 ⓘ |
| operator | European Southern Observatory ⓘ |
| primaryMirrorDiameterPerUnit | 8.2 meters ⓘ |
| scienceFocus |
cosmology
ⓘ
exoplanets ⓘ galaxies ⓘ star formation ⓘ stellar evolution ⓘ |
| skyCoverage | southern sky ⓘ |
| telescopeType | reflecting telescope ⓘ |
| unitTelescopeAperture | 8.2 meters ⓘ |
| unitTelescopeName |
Antu
ⓘ
Kueyen ⓘ Melipal ⓘ Yepun ⓘ |
| wavelengthRange |
near-infrared
ⓘ
visible light ⓘ |
| website | https://www.eso.org/public/teles-instr/paranal-observatory/vlt/ ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Very Large Telescope Description of subject: The Very Large Telescope is a flagship array of four large optical telescopes operated by the European Southern Observatory, renowned for its cutting-edge astronomical observations and discoveries.
Referenced by (64)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Very Large Telescope sites (nearby in Atacama region)
subject surface form:
Northern Chile
this entity surface form:
VLT Interferometer
this entity surface form:
VLT Interferometer
this entity surface form:
VLT
this entity surface form:
Very Large Telescope Interferometer
this entity surface form:
VLTI
this entity surface form:
VLT Interferometer
this entity surface form:
VLTI
this entity surface form:
VLT UT3
this entity surface form:
Very Large Telescope Unit Telescope 3
this entity surface form:
VLT UT4
this entity surface form:
ESO VLT
this entity surface form:
ESO VLT
this entity surface form:
VLT UT2 Kueyen
this entity surface form:
VLT Unit Telescope 3
this entity surface form:
VLT UT3 Nasmyth platform
this entity surface form:
Very Large Telescope instrumentation suite
this entity surface form:
Unit Telescope 4 of the VLT
this entity surface form:
VLT Unit Telescope 4
this entity surface form:
Very Large Telescope array