High Altitude Water Cherenkov Observatory
E924228
The High Altitude Water Cherenkov Observatory is a high-energy gamma-ray and cosmic-ray observatory in Mexico that uses large water tanks to detect particle showers from astrophysical sources.
All labels observed (1)
| Label | Occurrences |
|---|---|
| High Altitude Water Cherenkov Observatory canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11412374 — 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: High Altitude Water Cherenkov Observatory Context triple: [Sierra Negra (Puebla), hasObservatory, High Altitude Water Cherenkov Observatory]
-
A.
IceCube Neutrino Observatory
The IceCube Neutrino Observatory is a massive, cubic-kilometer-scale neutrino detector embedded deep in Antarctic ice, designed to observe high-energy neutrinos from cosmic sources.
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B.
Telescope Array Project
The Telescope Array Project is a large-scale international observatory in Utah designed to detect and study ultra-high-energy cosmic rays entering Earth’s atmosphere.
-
C.
Baksan Neutrino Observatory
The Baksan Neutrino Observatory is a Russian underground research facility in the Caucasus Mountains dedicated to detecting neutrinos and studying rare subatomic processes in a low-background environment.
-
D.
AMANDA experiment
The AMANDA experiment was an early Antarctic neutrino telescope that pioneered the technique of using deep-ice Cherenkov detectors to observe high-energy neutrinos from cosmic sources.
-
E.
Sudbury Neutrino Observatory
The Sudbury Neutrino Observatory is a deep underground Canadian physics facility that made landmark measurements of solar neutrinos, providing key evidence for neutrino oscillations and mass.
- 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: High Altitude Water Cherenkov Observatory Target entity description: The High Altitude Water Cherenkov Observatory is a high-energy gamma-ray and cosmic-ray observatory in Mexico that uses large water tanks to detect particle showers from astrophysical sources.
-
A.
IceCube Neutrino Observatory
The IceCube Neutrino Observatory is a massive, cubic-kilometer-scale neutrino detector embedded deep in Antarctic ice, designed to observe high-energy neutrinos from cosmic sources.
-
B.
Telescope Array Project
The Telescope Array Project is a large-scale international observatory in Utah designed to detect and study ultra-high-energy cosmic rays entering Earth’s atmosphere.
-
C.
Baksan Neutrino Observatory
The Baksan Neutrino Observatory is a Russian underground research facility in the Caucasus Mountains dedicated to detecting neutrinos and studying rare subatomic processes in a low-background environment.
-
D.
AMANDA experiment
The AMANDA experiment was an early Antarctic neutrino telescope that pioneered the technique of using deep-ice Cherenkov detectors to observe high-energy neutrinos from cosmic sources.
-
E.
Sudbury Neutrino Observatory
The Sudbury Neutrino Observatory is a deep underground Canadian physics facility that made landmark measurements of solar neutrinos, providing key evidence for neutrino oscillations and mass.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
astrophysical observatory
ⓘ
cosmic-ray observatory ⓘ gamma-ray observatory ⓘ |
| abbreviation | HAWC NERFINISHED ⓘ |
| altitude | 4100 m ⓘ |
| collaborationIncludes |
Germany
NERFINISHED
ⓘ
Mexico NERFINISHED ⓘ Poland NERFINISHED ⓘ United States NERFINISHED ⓘ other international institutions ⓘ |
| constructionStart | 2011 ⓘ |
| country | Mexico ⓘ |
| dataProduct |
measurements of cosmic-ray flux
ⓘ
sky maps of TeV gamma-ray sources ⓘ |
| detectionMethod | extensive air shower detection ⓘ |
| energyRange | TeV gamma rays ⓘ |
| fieldOfStudy |
astroparticle physics
ⓘ
high-energy astrophysics ⓘ |
| fieldOfView | about 2 steradians ⓘ |
| fundedBy |
Mexican science agencies
ⓘ
National Science Foundation NERFINISHED ⓘ US Department of Energy NERFINISHED ⓘ |
| hasCapability |
high duty cycle
ⓘ
wide field of view ⓘ |
| hasComponent |
array of water tanks
ⓘ
photomultiplier tubes ⓘ |
| hasPredecessor | Milagro experiment NERFINISHED ⓘ |
| locatedIn | Sierra Negra NERFINISHED ⓘ |
| locatedInState | Puebla NERFINISHED ⓘ |
| locatedNear | Pico de Orizaba NERFINISHED ⓘ |
| monitors |
transient high-energy phenomena
ⓘ
variable gamma-ray sources ⓘ |
| observes |
Galactic plane
ⓘ
active galactic nuclei ⓘ cosmic-ray anisotropy ⓘ diffuse gamma-ray emission ⓘ gamma-ray bursts ⓘ pulsar wind nebulae ⓘ supernova remnants ⓘ |
| operationalDutyCycle | >90% GENERATED ⓘ |
| operationsStart | around 2015 GENERATED ⓘ |
| relatedTo |
Cherenkov radiation
ⓘ
extensive air showers ⓘ |
| scientificPurpose |
detection of cosmic rays
ⓘ
detection of high-energy gamma rays ⓘ study of particle showers from astrophysical sources ⓘ |
| usesDetectorMedium | water ⓘ |
| usesDetectorType | water Cherenkov detector ⓘ |
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: High Altitude Water Cherenkov Observatory Description of subject: The High Altitude Water Cherenkov Observatory is a high-energy gamma-ray and cosmic-ray observatory in Mexico that uses large water tanks to detect particle showers from astrophysical sources.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.