Green Bank Telescope
E161139
The Green Bank Telescope is the world’s largest fully steerable radio telescope, located in West Virginia and used for cutting-edge astronomical and astrophysical research.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Green Bank Telescope canonical | 14 |
| Green Bank telescope array | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1406306 — 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: Green Bank Telescope Context triple: [National Radio Astronomy Observatory, operates, Green Bank Telescope]
-
A.
Hale Telescope
The Hale Telescope is a historic 200-inch reflecting telescope at Palomar Observatory in California that was once the world’s largest and remains a landmark instrument in observational astronomy.
-
B.
Apollo Telescope Mount
The Apollo Telescope Mount was a solar observatory module used on NASA’s Skylab space station to conduct detailed studies of the Sun in multiple wavelengths.
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C.
Baade Telescope
The Baade Telescope is one of the twin 6.5-meter Magellan optical telescopes used for cutting-edge astronomical research in Chile.
-
D.
South Pole Telescope
The South Pole Telescope is a large millimeter-wave radio telescope located at the Amundsen–Scott South Pole Station, designed primarily to study the cosmic microwave background and the large-scale structure of the universe.
-
E.
James Clerk Maxwell Telescope
The James Clerk Maxwell Telescope is a large submillimetre-wavelength radio telescope used for astronomical observations, located near the summit of Mauna Kea in Hawaii.
- 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: Green Bank Telescope Target entity description: The Green Bank Telescope is the world’s largest fully steerable radio telescope, located in West Virginia and used for cutting-edge astronomical and astrophysical research.
-
A.
Hale Telescope
The Hale Telescope is a historic 200-inch reflecting telescope at Palomar Observatory in California that was once the world’s largest and remains a landmark instrument in observational astronomy.
-
B.
Apollo Telescope Mount
The Apollo Telescope Mount was a solar observatory module used on NASA’s Skylab space station to conduct detailed studies of the Sun in multiple wavelengths.
-
C.
Baade Telescope
The Baade Telescope is one of the twin 6.5-meter Magellan optical telescopes used for cutting-edge astronomical research in Chile.
-
D.
South Pole Telescope
The South Pole Telescope is a large millimeter-wave radio telescope located at the Amundsen–Scott South Pole Station, designed primarily to study the cosmic microwave background and the large-scale structure of the universe.
-
E.
James Clerk Maxwell Telescope
The James Clerk Maxwell Telescope is a large submillimetre-wavelength radio telescope used for astronomical observations, located near the summit of Mauna Kea in Hawaii.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
fully steerable radio telescope
ⓘ
radio telescope ⓘ single-dish radio telescope ⓘ |
| abbreviation | GBT ⓘ |
| accessPolicy | open to the international scientific community ⓘ |
| azimuthRange | 0 to 360 degrees ⓘ |
| collectingArea | about 7,850 square meters ⓘ |
| constructionStartDate | 1991 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Pocahontas County, West Virginia ⓘ |
| dedicationDate | August 25, 2000 ⓘ |
| design | unblocked aperture ⓘ |
| diameter |
100 meters
ⓘ
328 feet ⓘ |
| elevationRange | 5 to 90 degrees ⓘ |
| environmentalConstraint | radio quiet regulations ⓘ |
| firstLightDate | 2000 ⓘ |
| formerOperator | National Radio Astronomy Observatory ⓘ |
| frequencyRange | approximately 0.1 GHz to 116 GHz ⓘ |
| fullySteerable | true ⓘ |
| fundedBy | National Science Foundation ⓘ |
| hasInstrument |
multi-beam receivers
ⓘ
pulsar backends ⓘ spectrometers ⓘ ultra-wideband receivers ⓘ |
| height | about 148 meters ⓘ |
| locatedIn |
Monongahela National Forest
ⓘ
National Radio Quiet Zone ⓘ |
| location | Green Bank, West Virginia ⓘ |
| mountType | altazimuth mount ⓘ |
| name | Green Bank Telescope ⓘ |
| namedAfter | town of Green Bank ⓘ |
| notableDiscovery | numerous new pulsars ⓘ |
| notableProject | Breakthrough Listen ⓘ |
| operator | Green Bank Observatory ⓘ |
| partOf |
Green Bank Observatory facility complex
ⓘ
linked to:
Green Bank Observatory
|
| primaryMirrorShape | off-axis paraboloid ⓘ |
| primaryUse | radio astronomy ⓘ |
| state | West Virginia ⓘ |
| surfaceAccuracy | about 240 micrometers ⓘ |
| usedFor |
SETI observations
ⓘ
astronomical research ⓘ astrophysical research ⓘ cosmology ⓘ fast radio burst observations ⓘ galactic structure studies ⓘ molecular line studies ⓘ pulsar observations ⓘ search for extraterrestrial intelligence ⓘ solar system radar experiments ⓘ |
| wavelengthRange | radio wavelengths from meter to millimeter ⓘ |
| weight | about 7,600 metric tons ⓘ |
| worldRanking | world’s largest fully steerable radio telescope ⓘ |
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: Green Bank Telescope Description of subject: The Green Bank Telescope is the world’s largest fully steerable radio telescope, located in West Virginia and used for cutting-edge astronomical and astrophysical research.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Green Bank Telescope