Nordic Optical Telescope
E717845
The Nordic Optical Telescope is a 2.56-meter optical/infrared research telescope operated by a consortium of Nordic countries and located at the Roque de los Muchachos Observatory on La Palma in the Canary Islands.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nordic Optical Telescope canonical | 3 |
| Nordic Optical Telescope Scientific Association | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8064376 — 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: Nordic Optical Telescope Context triple: [Roque de los Muchachos, hasTelescope, Nordic Optical Telescope]
-
A.
Gran Telescopio Canarias
Gran Telescopio Canarias is one of the world’s largest single-aperture optical-infrared telescopes, located at a high-altitude observatory in the Canary Islands for cutting-edge astronomical research.
-
B.
ESO 1.52-metre telescope
The ESO 1.52-metre telescope is a mid-sized optical telescope at the La Silla Observatory in Chile, used for a variety of astronomical observations and instrumental projects.
-
C.
ESO 3.6 m Telescope
The ESO 3.6 m Telescope is a major optical telescope operated by the European Southern Observatory in Chile, known for hosting the HARPS spectrograph used in exoplanet discovery.
-
D.
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.
-
E.
Isaac Newton Telescope
The Isaac Newton Telescope is a professional optical astronomical telescope, originally located at the Royal Greenwich Observatory and now situated at the Roque de los Muchachos Observatory in La Palma, used for a wide range of observational research.
- 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: Nordic Optical Telescope Target entity description: The Nordic Optical Telescope is a 2.56-meter optical/infrared research telescope operated by a consortium of Nordic countries and located at the Roque de los Muchachos Observatory on La Palma in the Canary Islands.
-
A.
Gran Telescopio Canarias
Gran Telescopio Canarias is one of the world’s largest single-aperture optical-infrared telescopes, located at a high-altitude observatory in the Canary Islands for cutting-edge astronomical research.
-
B.
ESO 1.52-metre telescope
The ESO 1.52-metre telescope is a mid-sized optical telescope at the La Silla Observatory in Chile, used for a variety of astronomical observations and instrumental projects.
-
C.
ESO 3.6 m Telescope
The ESO 3.6 m Telescope is a major optical telescope operated by the European Southern Observatory in Chile, known for hosting the HARPS spectrograph used in exoplanet discovery.
-
D.
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.
-
E.
Isaac Newton Telescope
The Isaac Newton Telescope is a professional optical astronomical telescope, originally located at the Royal Greenwich Observatory and now situated at the Roque de los Muchachos Observatory in La Palma, used for a wide range of observational research.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
infrared telescope
ⓘ
optical telescope ⓘ |
| abbreviation | NOT ⓘ |
| altitude | approximately 2382 metre ⓘ |
| continent | Europe ⓘ |
| country |
Denmark
ⓘ
Finland ⓘ Iceland ⓘ Norway ⓘ Sweden ⓘ |
| diameter | 2.56 metre ⓘ |
| firstLightDate | 1988 ⓘ |
| fundedBy |
Denmark
ⓘ
Finland ⓘ Iceland ⓘ Norway ⓘ Sweden ⓘ |
| governingBody |
Nordic Optical Telescope Scientific Association
ⓘ
linked to:
Nordic Optical Telescope
|
| hasFocalRatio | f/11 ⓘ |
| hasInstrument |
ALFOSC
ⓘ
linked to:
Faint Object Spectrograph
FIES ⓘ MOSCA ⓘ NOTCam ⓘ SOFIN ⓘ StanCam ⓘ TurPol ⓘ |
| hasMirrorMaterial | Zerodur ⓘ |
| hasNasmythFocus | Nasmyth focus ⓘ |
| hasScientificDiscipline |
astronomy
ⓘ
astrophysics ⓘ |
| hasSecondaryFocus | Cassegrain focus ⓘ |
| hasWebsite | https://www.not.iac.es/ ⓘ |
| inaugurationDate | 1989 ⓘ |
| locatedOn | island of La Palma ⓘ |
| location |
Canary Islands
ⓘ
La Palma ⓘ Roque de los Muchachos Observatory ⓘ
linked to:
Roque de los Muchachos
Spain ⓘ |
| mountType | altazimuth mount ⓘ |
| observatory |
Roque de los Muchachos Observatory
ⓘ
linked to:
Roque de los Muchachos
|
| operator | Nordic Optical Telescope Scientific Association ⓘ |
| partOf |
Observatorio del Roque de los Muchachos
ⓘ
linked to:
Roque de los Muchachos
|
| primaryMirrorDiameter | 2.56 metre ⓘ |
| telescopeType | Ritchey–Chrétien telescope ⓘ |
| usedFor |
research in infrared astronomy
ⓘ
research in optical astronomy ⓘ |
| wavelength |
near-infrared
ⓘ
optical ⓘ |
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: Nordic Optical Telescope Description of subject: The Nordic Optical Telescope is a 2.56-meter optical/infrared research telescope operated by a consortium of Nordic countries and located at the Roque de los Muchachos Observatory on La Palma in the Canary Islands.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Nordic Optical Telescope