Atacama Pathfinder Experiment
E366469
The Atacama Pathfinder Experiment is a submillimeter-wavelength radio telescope located in Chile’s Atacama Desert, used for studying cold gas and dust in the universe.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Atacama Pathfinder Experiment canonical | 3 |
| APEX telescope | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3548908 — 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: Atacama Pathfinder Experiment Context triple: [European Southern Observatory, operates, Atacama Pathfinder Experiment]
-
A.
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.
-
B.
Magellan Clay Telescope
The Magellan Clay Telescope is one of the twin 6.5-meter Magellan telescopes at Las Campanas Observatory in Chile, used for cutting-edge optical and infrared astronomical research.
-
C.
Atacama Large Millimeter/submillimeter Array
The Atacama Large Millimeter/submillimeter Array is a powerful astronomical observatory composed of dozens of radio antennas that study the cold universe—such as star and planet formation—by observing millimeter and submillimeter wavelengths.
-
D.
VISTA telescope
The VISTA telescope is a 4.1-meter wide-field survey telescope in Chile designed primarily for large-scale near-infrared sky surveys.
-
E.
Atacama Compact Array
The Atacama Compact Array is a subset of smaller, closely spaced radio telescopes within the ALMA observatory designed to improve imaging of extended astronomical objects at millimeter and submillimeter wavelengths.
- 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: Atacama Pathfinder Experiment Target entity description: The Atacama Pathfinder Experiment is a submillimeter-wavelength radio telescope located in Chile’s Atacama Desert, used for studying cold gas and dust in the universe.
-
A.
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.
-
B.
Magellan Clay Telescope
The Magellan Clay Telescope is one of the twin 6.5-meter Magellan telescopes at Las Campanas Observatory in Chile, used for cutting-edge optical and infrared astronomical research.
-
C.
Atacama Large Millimeter/submillimeter Array
The Atacama Large Millimeter/submillimeter Array is a powerful astronomical observatory composed of dozens of radio antennas that study the cold universe—such as star and planet formation—by observing millimeter and submillimeter wavelengths.
-
D.
VISTA telescope
The VISTA telescope is a 4.1-meter wide-field survey telescope in Chile designed primarily for large-scale near-infrared sky surveys.
-
E.
Atacama Compact Array
The Atacama Compact Array is a subset of smaller, closely spaced radio telescopes within the ALMA observatory designed to improve imaging of extended astronomical objects at millimeter and submillimeter wavelengths.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory
ⓘ
radio telescope ⓘ submillimeter telescope ⓘ |
| abbreviation | APEX ⓘ |
| advantage | dry atmosphere suitable for submillimeter observations ⓘ |
| collaboratesWith | Atacama Large Millimeter/submillimeter Array ⓘ |
| continent | South America ⓘ |
| country | Chile ⓘ |
| dataUsedFor |
characterizing protostellar cores
ⓘ
mapping molecular gas ⓘ measuring dust emission ⓘ studying high-redshift galaxies ⓘ |
| diameter | 12 meters ⓘ |
| elevation | about 5100 meters ⓘ |
| environment | high-altitude desert ⓘ |
| hasAperture | 12-meter dish ⓘ |
| hostCountry |
Chile
ⓘ
surface form:
Republic of Chile
|
| locatedAt | Llano de Chajnantor Observatory ⓘ |
| location | Atacama Desert ⓘ |
| observes |
cold gas in the universe
ⓘ
cosmic dust ⓘ distant galaxies ⓘ molecular clouds ⓘ nearby galaxies ⓘ star-forming regions ⓘ |
| operatedBy |
European Southern Observatory
ⓘ
Max Planck Institute for Radio Astronomy ⓘ Onsala Space Observatory ⓘ |
| partOf |
Llano de Chajnantor Observatory
ⓘ
surface form:
Chajnantor plateau observatory complex
|
| primaryUse |
submillimeter continuum observations
ⓘ
submillimeter spectral line observations ⓘ |
| scientificDiscipline |
astronomy
ⓘ
astrophysics ⓘ |
| studies |
galaxy evolution
ⓘ
interstellar medium ⓘ molecular spectroscopy in space ⓘ star formation ⓘ |
| telescopeType | single-dish telescope ⓘ |
| wavelengthRange | submillimeter ⓘ |
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: Atacama Pathfinder Experiment Description of subject: The Atacama Pathfinder Experiment is a submillimeter-wavelength radio telescope located in Chile’s Atacama Desert, used for studying cold gas and dust in the universe.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
APEX telescope