Cerro Las Campanas
E166228
Cerro Las Campanas is a high, dry mountain peak in Chile’s Atacama Desert that hosts major astronomical observatories due to its exceptionally clear, dark skies.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cerro Las Campanas canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1354738 — 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: Cerro Las Campanas Context triple: [Las Campanas, Chile, locatedOn, Cerro Las Campanas]
-
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.
Cerro de la Estrella
Cerro de la Estrella is a prominent hill and archaeological site in Mexico City known for its historical and cultural significance, including ancient ceremonial traditions.
-
C.
Irazú
Irazú is an active stratovolcano in Costa Rica known for its high elevation, frequent historical eruptions, and crater lakes near the city of Cartago.
-
D.
Cerro San Cristóbal
Cerro San Cristóbal is a prominent hill and urban park in Santiago, Chile, known for its panoramic city views, religious sanctuaries, and recreational attractions.
-
E.
Cerro de la Silla
Cerro de la Silla is a distinctive saddle-shaped mountain and iconic natural symbol overlooking the city of Monterrey in northeastern Mexico.
- 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: Cerro Las Campanas Target entity description: Cerro Las Campanas is a high, dry mountain peak in Chile’s Atacama Desert that hosts major astronomical observatories due to its exceptionally clear, dark skies.
-
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.
Cerro de la Estrella
Cerro de la Estrella is a prominent hill and archaeological site in Mexico City known for its historical and cultural significance, including ancient ceremonial traditions.
-
C.
Irazú
Irazú is an active stratovolcano in Costa Rica known for its high elevation, frequent historical eruptions, and crater lakes near the city of Cartago.
-
D.
Cerro San Cristóbal
Cerro San Cristóbal is a prominent hill and urban park in Santiago, Chile, known for its panoramic city views, religious sanctuaries, and recreational attractions.
-
E.
Cerro de la Silla
Cerro de la Silla is a distinctive saddle-shaped mountain and iconic natural symbol overlooking the city of Monterrey in northeastern Mexico.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory site
ⓘ
mountain peak ⓘ |
| continent | South America ⓘ |
| country | Chile ⓘ |
| elevation |
approximately 2380 meters
ⓘ
approximately 7800 feet ⓘ |
| hasAdvantageForAstronomy |
high fraction of photometric nights
ⓘ
low precipitable water vapor ⓘ stable seeing conditions ⓘ |
| hasClimate | high-altitude desert climate ⓘ |
| hasLimitation |
harsh desert environment
ⓘ
remote location ⓘ |
| hasProperty |
exceptionally clear skies
ⓘ
low atmospheric turbulence ⓘ low light pollution ⓘ very dark night skies ⓘ very dry atmosphere ⓘ |
| hasScientificSignificance |
key site for next-generation extremely large telescopes
ⓘ
major site for Southern Hemisphere astronomy ⓘ |
| hasSeasonalPattern | predominantly clear winter nights ⓘ |
| hosts |
Giant Magellan Telescope
ⓘ
surface form:
Giant Magellan Telescope site
Las Campanas Observatory ⓘ Magellan Telescopes ⓘ
surface form:
Magellan telescopes
|
| infrastructure |
access road for observatory operations
ⓘ
power and communication links for telescopes ⓘ |
| languageOfRegion | Spanish ⓘ |
| locatedIn |
Atacama Desert
ⓘ
Chile ⓘ Coquimbo Region ⓘ |
| near |
Las Campanas Observatory
ⓘ
surface form:
Cerro Las Campanas Observatory facilities
Cerro Manqui ⓘ |
| operatedBy |
Carnegie Institution of Washington
ⓘ
surface form:
Carnegie Institution for Science
|
| partOf |
Andes
ⓘ
Las Campanas Observatory ⓘ |
| selectedAs | site of the Giant Magellan Telescope ⓘ |
| skyCoverage | excellent view of southern celestial hemisphere ⓘ |
| skyQuality | Bortle class 1–2 dark sky ⓘ |
| timeZone | Chile Standard Time ⓘ |
| usedFor |
infrared astronomy
ⓘ
optical astronomy ⓘ site testing for large telescopes ⓘ |
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: Cerro Las Campanas Description of subject: Cerro Las Campanas is a high, dry mountain peak in Chile’s Atacama Desert that hosts major astronomical observatories due to its exceptionally clear, dark skies.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.