La Silla Observatory
E11528
La Silla Observatory is a major European Southern Observatory (ESO) facility in Chile known for its high-altitude optical telescopes that have contributed significantly to exoplanet and stellar research.
All labels observed (11)
| Label | Occurrences |
|---|---|
| La Silla Observatory canonical | 36 |
| La Silla Observatory telescope array | 4 |
| La Silla, Chile | 3 |
| ESO La Silla | 2 |
| ESO La Silla Observatory | 2 |
| La Silla | 2 |
| 809 (La Silla) | 1 |
| Cerro La Silla | 1 |
| ESO La Silla site | 1 |
| La Silla Observatory, Chile | 1 |
| La Silla telescope array | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10086 — 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: La Silla Observatory Context triple: [Coquimbo Region, hasObservatory, La Silla Observatory]
-
A.
Las Campanas Observatory
Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
-
B.
du Pont Telescope
The du Pont Telescope is a 2.5-meter optical telescope at Chile’s Las Campanas Observatory used for a wide range of astronomical imaging and spectroscopic research.
-
C.
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.
-
D.
Swope Telescope
The Swope Telescope is a 1-meter-class optical telescope at Chile’s Las Campanas Observatory, known for its role in supernova and transient object discoveries.
-
E.
Warsaw Telescope
The Warsaw Telescope is a 1.3-meter optical telescope at Las Campanas Observatory in Chile, widely used for large-scale astronomical surveys such as the OGLE project.
- 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: La Silla Observatory Target entity description: La Silla Observatory is a major European Southern Observatory (ESO) facility in Chile known for its high-altitude optical telescopes that have contributed significantly to exoplanet and stellar research.
-
A.
Las Campanas Observatory
Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
-
B.
du Pont Telescope
The du Pont Telescope is a 2.5-meter optical telescope at Chile’s Las Campanas Observatory used for a wide range of astronomical imaging and spectroscopic research.
-
C.
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.
-
D.
Swope Telescope
The Swope Telescope is a 1-meter-class optical telescope at Chile’s Las Campanas Observatory, known for its role in supernova and transient object discoveries.
-
E.
Warsaw Telescope
The Warsaw Telescope is a 1.3-meter optical telescope at Las Campanas Observatory in Chile, widely used for large-scale astronomical surveys such as the OGLE project.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
ESO facility
ⓘ
astronomical observatory ⓘ |
| altitude |
approximately 2400 m
ⓘ
approximately 7800 ft ⓘ |
| climate | arid ⓘ |
| constructionStart | 1960s ⓘ |
| continent | South America ⓘ |
| country | Chile ⓘ |
| governingBody | ESO Council ⓘ |
| hasDiscovery |
numerous exoplanets
ⓘ
radial-velocity exoplanets ⓘ |
| hasFacility |
multiple optical telescopes
ⓘ
support infrastructure for visiting astronomers ⓘ |
| hasInstrument |
FEROS spectrograph
ⓘ
HARPS spectrograph ⓘ WFI wide field imager ⓘ |
| hasProgram |
long-term exoplanet surveys
ⓘ
stellar variability monitoring ⓘ |
| hasRole | first major ESO observatory site ⓘ |
| hasStatus | operational ⓘ |
| hasTelescope |
ESO 3.6 m Telescope
ⓘ
MPG/ESO 2.2 m Telescope ⓘ NTT 3.58 m Telescope ⓘ New Technology Telescope ⓘ |
| knownFor |
exoplanet research
ⓘ
optical astronomy ⓘ spectroscopy ⓘ stellar research ⓘ |
| latitude | approximately -29.26 degrees ⓘ |
| locatedIn |
Atacama Desert
ⓘ
Coquimbo Region ⓘ |
| locatedOn | La Silla mountain ⓘ |
| longitude | approximately -70.73 degrees ⓘ |
| near | La Serena ⓘ |
| observes | southern sky ⓘ |
| openingYear | 1969 ⓘ |
| operator | European Southern Observatory ⓘ |
| ownedBy | European Southern Observatory ⓘ |
| partOf | ESO La Silla Paranal Observatory ⓘ |
| primaryMirrorDiameter |
2.2 m (MPG/ESO Telescope)
ⓘ
3.58 m (NTT) ⓘ 3.6 m (ESO 3.6 m Telescope) ⓘ |
| skyQuality |
dark skies
ⓘ
low light pollution ⓘ |
| usedFor |
extragalactic astronomy
ⓘ
galactic astronomy ⓘ radial-velocity measurements ⓘ stellar spectroscopy ⓘ |
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: La Silla Observatory Description of subject: La Silla Observatory is a major European Southern Observatory (ESO) facility in Chile known for its high-altitude optical telescopes that have contributed significantly to exoplanet and stellar research.
Referenced by (54)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
ESO La Silla Observatory