NTT
E367947
NTT is a 3.58-meter optical telescope operated by the European Southern Observatory at La Silla Observatory in Chile, notable for pioneering active optics technology.
All labels observed (1)
| Label | Occurrences |
|---|---|
| NTT canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3548928 — 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: NTT Context triple: [New Technology Telescope, abbreviation, NTT]
-
A.
NTT DoCoMo
NTT DoCoMo is Japan’s largest mobile network operator, known for pioneering advanced mobile technologies and services, including early 3G deployments.
-
B.
KDDI
KDDI is a major Japanese telecommunications company that provides mobile, broadband, and other communication services domestically and internationally.
-
C.
Tokyo Tsushin Kogyo
Tokyo Tsushin Kogyo was the original name of the Japanese electronics company that later became globally known as Sony.
-
D.
Pacific Telesis
Pacific Telesis was a regional telecommunications company formed after the breakup of AT&T, serving as one of the Baby Bells providing local telephone and related services in the western United States.
-
E.
Southern Telecom
Southern Telecom is a telecommunications subsidiary of Southern Company that provides fiber-optic network and related communication services.
- 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: NTT Target entity description: NTT is a 3.58-meter optical telescope operated by the European Southern Observatory at La Silla Observatory in Chile, notable for pioneering active optics technology.
-
A.
NTT DoCoMo
NTT DoCoMo is Japan’s largest mobile network operator, known for pioneering advanced mobile technologies and services, including early 3G deployments.
-
B.
KDDI
KDDI is a major Japanese telecommunications company that provides mobile, broadband, and other communication services domestically and internationally.
-
C.
Tokyo Tsushin Kogyo
Tokyo Tsushin Kogyo was the original name of the Japanese electronics company that later became globally known as Sony.
-
D.
Pacific Telesis
Pacific Telesis was a regional telecommunications company formed after the breakup of AT&T, serving as one of the Baby Bells providing local telephone and related services in the western United States.
-
E.
Southern Telecom
Southern Telecom is a telecommunications subsidiary of Southern Company that provides fiber-optic network and related communication services.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory telescope
ⓘ
optical telescope ⓘ |
| beganOperations | late 1980s ⓘ |
| commissionedBy | European Southern Observatory ⓘ |
| continentOfLocation | South America ⓘ |
| countryOfObservatoryOperator |
Germany
ⓘ
international organization ⓘ |
| fullName | New Technology Telescope ⓘ |
| hasAperture | 3.58 meters ⓘ |
| hasCassegrainFocus | yes ⓘ |
| hasDomeDesign | innovative enclosure optimized for airflow and image quality ⓘ |
| hasFocalRatio | approximately f/11 at Nasmyth focus ⓘ |
| hasInnovation | first telescope to use active optics as an integrated system ⓘ |
| hasMirrorMaterial | glass ⓘ |
| hasNasmythFocus | yes ⓘ |
| hasOpticalDesign |
Ritchey–Chrétien reflector
ⓘ
surface form:
Ritchey–Chrétien
|
| hasScienceOutput | contributes to optical and near-infrared astronomy ⓘ |
| hasSiteAltitude | La Silla mountain site altitude (approx. 2400 m) ⓘ |
| hasStatus | operational ⓘ |
| isRunBy | ESO La Silla staff ⓘ |
| locatedIn | La Silla Observatory ⓘ |
| locatedInCountry | Chile ⓘ |
| mirrorDiameter | 3.58 meters ⓘ |
| mountType | alt-azimuth mount ⓘ |
| notableFor | pioneering active optics technology ⓘ |
| observatoryCode |
La Silla Observatory
ⓘ
surface form:
809 (La Silla)
|
| operator | European Southern Observatory ⓘ |
| ownedBy | European Southern Observatory ⓘ |
| partOfObservatoryComplex | La Silla Observatory ⓘ |
| primaryMirrorType | thin meniscus mirror ⓘ |
| primaryScienceUse |
astronomical imaging
ⓘ
spectroscopy ⓘ |
| supportsInstruments |
imaging cameras
ⓘ
spectrographs ⓘ |
| telescopeType | optical telescope ⓘ |
| usesTechnology | active optics ⓘ |
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: NTT Description of subject: NTT is a 3.58-meter optical telescope operated by the European Southern Observatory at La Silla Observatory in Chile, notable for pioneering active optics technology.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.