ELT site at Cerro Armazones
E669644
The ELT site at Cerro Armazones is the high-altitude Chilean mountaintop location being developed to host the European Southern Observatory’s Extremely Large Telescope, one of the world’s most powerful ground-based optical/infrared observatories.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ELT site at Cerro Armazones canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7525958 — 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: ELT site at Cerro Armazones Context triple: [ESO Directorate of Operations, operatesIn, ELT site at Cerro Armazones]
-
A.
Paranal Observatory
Paranal Observatory is a major astronomical research facility in Chile’s Atacama Desert that hosts the European Southern Observatory’s Very Large Telescope array.
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B.
Cerro Tololo Inter-American Observatory
Cerro Tololo Inter-American Observatory is a major astronomical observatory complex in northern Chile that hosts multiple world-class telescopes used for cutting-edge research on the universe.
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C.
Carlos Sánchez Telescope
The Carlos Sánchez Telescope is a mid-sized infrared astronomical telescope located at Spain’s Teide Observatory on the island of Tenerife.
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D.
ESO La Silla Paranal Observatory
ESO La Silla Paranal Observatory is a major European Southern Observatory facility in Chile that operates several world-class optical and infrared telescopes, including those at La Silla and Paranal.
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E.
Sierra Nevada Observatory
Sierra Nevada Observatory is a high-altitude astronomical observatory in the Sierra Nevada mountains of Spain, equipped with modern telescopes for professional research in areas such as stellar and planetary astrophysics.
- 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: ELT site at Cerro Armazones Target entity description: The ELT site at Cerro Armazones is the high-altitude Chilean mountaintop location being developed to host the European Southern Observatory’s Extremely Large Telescope, one of the world’s most powerful ground-based optical/infrared observatories.
-
A.
Paranal Observatory
Paranal Observatory is a major astronomical research facility in Chile’s Atacama Desert that hosts the European Southern Observatory’s Very Large Telescope array.
-
B.
Cerro Tololo Inter-American Observatory
Cerro Tololo Inter-American Observatory is a major astronomical observatory complex in northern Chile that hosts multiple world-class telescopes used for cutting-edge research on the universe.
-
C.
Carlos Sánchez Telescope
The Carlos Sánchez Telescope is a mid-sized infrared astronomical telescope located at Spain’s Teide Observatory on the island of Tenerife.
-
D.
ESO La Silla Paranal Observatory
ESO La Silla Paranal Observatory is a major European Southern Observatory facility in Chile that operates several world-class optical and infrared telescopes, including those at La Silla and Paranal.
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E.
Sierra Nevada Observatory
Sierra Nevada Observatory is a high-altitude astronomical observatory in the Sierra Nevada mountains of Spain, equipped with modern telescopes for professional research in areas such as stellar and planetary astrophysics.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory site
ⓘ
telescope construction site ⓘ |
| altitudeAdvantage |
low atmospheric water vapour
ⓘ
reduced atmospheric turbulence ⓘ |
| climate | extremely arid ⓘ |
| constructionStart | 2014 ⓘ |
| continent | South America ⓘ |
| country | Chile ⓘ |
| distanceToParanal |
about 12 miles
ⓘ
about 20 kilometres ⓘ |
| infrastructure |
power supply connection to Paranal infrastructure
ⓘ
road link to Paranal Observatory ⓘ |
| locatedIn |
Antofagasta Region
NERFINISHED
ⓘ
Atacama Desert ⓘ Cerro Armazones NERFINISHED ⓘ Chile ⓘ |
| majorWork |
access road construction
ⓘ
mountaintop levelling ⓘ platform preparation for telescope and dome ⓘ |
| mountainElevation |
approximately 3046 metres
ⓘ
approximately 9994 feet ⓘ |
| near | Paranal Observatory NERFINISHED ⓘ |
| notableFeature | one of the world’s most powerful ground-based optical/infrared observatory sites ⓘ |
| observatoryComplex | Paranal–Armazones Observatory complex NERFINISHED ⓘ |
| operator | European Southern Observatory NERFINISHED ⓘ |
| organization | European Southern Observatory NERFINISHED ⓘ |
| ownedBy | European Southern Observatory NERFINISHED ⓘ |
| partOf | ESO Paranal–Armazones Observatory NERFINISHED ⓘ |
| purpose |
ground-based infrared astronomy
ⓘ
ground-based optical astronomy ⓘ host the Extremely Large Telescope ⓘ |
| regionCharacteristic | one of the driest places on Earth ⓘ |
| scienceGoalsEnabled |
detailed study of stellar populations
ⓘ
exoplanet characterization ⓘ precision cosmology ⓘ study of first galaxies ⓘ |
| seeingConditions | excellent atmospheric seeing ⓘ |
| selectedFor | Extremely Large Telescope NERFINISHED ⓘ |
| selectionDate | 2009 ⓘ |
| skyQuality |
high fraction of clear nights
ⓘ
very dark skies ⓘ |
| status | under construction ⓘ |
| telescopeClass | extremely large telescope NERFINISHED ⓘ |
| telescopeHosted | Extremely Large Telescope NERFINISHED ⓘ |
| telescopePrimaryMirrorDiameter | approximately 39 metres ⓘ |
| telescopeType |
infrared telescope
ⓘ
optical telescope ⓘ |
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: ELT site at Cerro Armazones Description of subject: The ELT site at Cerro Armazones is the high-altitude Chilean mountaintop location being developed to host the European Southern Observatory’s Extremely Large Telescope, one of the world’s most powerful ground-based optical/infrared observatories.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.