Chajnantor Plateau
E176200
The Chajnantor Plateau is a high, arid plain in northern Chile’s Atacama Desert renowned for its exceptional atmospheric conditions that make it one of the world’s premier sites for radio and submillimeter astronomy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chajnantor Plateau canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1541302 — 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: Chajnantor Plateau Context triple: [Atacama Large Millimeter/submillimeter Array, locatedAt, Chajnantor Plateau]
-
A.
La Silla mountain
La Silla mountain is a peak in Chile’s Atacama Desert that hosts major astronomical facilities and is known for its exceptionally clear, dark skies.
-
B.
Altiplano plateau
The Altiplano plateau is a high, windswept intermontane plateau in the central Andes of South America, known for its vast arid plains, salt flats, and high-altitude lakes.
-
C.
Tepehuán
The Tepehuán are an Indigenous people of northern Mexico known for their distinct language, traditional agriculture, and cultural practices rooted in the rugged highlands of the Sierra Madre Occidental.
-
D.
Llulla Makta
Llulla Makta is a track from the Peruvian metal band Yawarhiem’s album "Legend of the Sun Virgin," which blends Andean folk elements with heavy metal.
-
E.
Carso Plateau
The Carso Plateau is a rocky limestone region spanning northeastern Italy and southwestern Slovenia, known for its harsh terrain and as a major battleground during World War I.
- 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: Chajnantor Plateau Target entity description: The Chajnantor Plateau is a high, arid plain in northern Chile’s Atacama Desert renowned for its exceptional atmospheric conditions that make it one of the world’s premier sites for radio and submillimeter astronomy.
-
A.
La Silla mountain
La Silla mountain is a peak in Chile’s Atacama Desert that hosts major astronomical facilities and is known for its exceptionally clear, dark skies.
-
B.
Altiplano plateau
The Altiplano plateau is a high, windswept intermontane plateau in the central Andes of South America, known for its vast arid plains, salt flats, and high-altitude lakes.
-
C.
Tepehuán
The Tepehuán are an Indigenous people of northern Mexico known for their distinct language, traditional agriculture, and cultural practices rooted in the rugged highlands of the Sierra Madre Occidental.
-
D.
Llulla Makta
Llulla Makta is a track from the Peruvian metal band Yawarhiem’s album "Legend of the Sun Virgin," which blends Andean folk elements with heavy metal.
-
E.
Carso Plateau
The Carso Plateau is a rocky limestone region spanning northeastern Italy and southwestern Slovenia, known for its harsh terrain and as a major battleground during World War I.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory site
ⓘ
geographical feature ⓘ plateau ⓘ |
| approximateDistanceToSanPedroDeAtacama | about 50 kilometers east ⓘ |
| atmosphericCondition |
high atmospheric transparency at millimeter and submillimeter wavelengths
ⓘ
low atmospheric pressure ⓘ low precipitable water vapor ⓘ |
| characteristic |
extremely arid
ⓘ
high altitude ⓘ very low atmospheric water vapor ⓘ |
| climate | cold desert climate ⓘ |
| continent | South America ⓘ |
| country | Chile ⓘ |
| elevation | about 5000 meters above sea level ⓘ |
| environment |
large diurnal temperature variation
ⓘ
sparse vegetation ⓘ strong solar radiation ⓘ |
| geology | high Andean volcanic plateau ⓘ |
| hasInfrastructure |
access road from San Pedro de Atacama
ⓘ
high-altitude technical facilities for observatories ⓘ |
| hasObservatory |
ALMA Operations Support Facility
ⓘ
surface form:
ALMA Operations Support Facility vicinity
ASTE telescope ⓘ Atacama Cosmology Telescope ⓘ Atacama Large Millimeter/submillimeter Array ⓘ Atacama Pathfinder Experiment ⓘ NANTEN2 telescope ⓘ |
| hostCountryAgency |
European Southern Observatory
ⓘ
surface form:
European Southern Observatory (for some facilities)
NAOJ ⓘ
surface form:
National Astronomical Observatory of Japan (for some facilities)
National Science Foundation ⓘ
surface form:
U.S. National Science Foundation (for some facilities)
|
| knownFor |
millimeter-wave astronomy
ⓘ
radio astronomy ⓘ submillimeter astronomy ⓘ |
| legalStatus | subject to Chilean environmental and land-use regulations ⓘ |
| locatedIn |
Antofagasta Region
ⓘ
Atacama Desert ⓘ northern Chile ⓘ |
| near |
Licancabur volcano
ⓘ
San Pedro de Atacama ⓘ |
| partOf |
Andes
ⓘ
surface form:
Andes mountain range
|
| reasonForSelectionAsObservatorySite |
combination of high altitude and extremely dry atmosphere
ⓘ
low radio-frequency interference ⓘ |
| suitableFor |
cosmic microwave background observations
ⓘ
deep extragalactic surveys ⓘ interstellar medium studies ⓘ star formation studies ⓘ |
| usedSince | late 20th century for major radio astronomy projects ⓘ |
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: Chajnantor Plateau Description of subject: The Chajnantor Plateau is a high, arid plain in northern Chile’s Atacama Desert renowned for its exceptional atmospheric conditions that make it one of the world’s premier sites for radio and submillimeter astronomy.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.