International Extreme Ultraviolet Hitchhiker (IEH)
E495739
The International Extreme Ultraviolet Hitchhiker (IEH) was an astronomy payload flown on the Space Shuttle to study celestial sources in the extreme ultraviolet portion of the spectrum.
All labels observed (1)
| Label | Occurrences |
|---|---|
| International Extreme Ultraviolet Hitchhiker (IEH) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5125580 — 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: International Extreme Ultraviolet Hitchhiker (IEH) Context triple: [STS-95, payload, International Extreme Ultraviolet Hitchhiker (IEH)]
-
A.
Extreme Ultraviolet Variability Experiment
The Extreme Ultraviolet Variability Experiment is a solar observation instrument that measures the Sun’s extreme ultraviolet irradiance to study its variability and impact on Earth’s upper atmosphere and space weather.
-
B.
Far Ultraviolet Spectroscopic Explorer
The Far Ultraviolet Spectroscopic Explorer (FUSE) was a NASA space telescope mission (1999–2007) designed to study the universe in the far-ultraviolet wavelength range, providing high-resolution spectra of stars, galaxies, and interstellar gas.
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C.
Extreme Ultraviolet Explorer
Extreme Ultraviolet Explorer was a NASA space telescope mission that operated in the extreme ultraviolet wavelength range to study hot stars, white dwarfs, and the interstellar medium.
-
D.
International Ultraviolet Explorer
The International Ultraviolet Explorer was a space telescope launched in 1978 that provided pioneering ultraviolet observations of astronomical objects for nearly two decades.
-
E.
Ultraviolet/Optical Telescope
The Ultraviolet/Optical Telescope is a space-based instrument designed to capture high-resolution ultraviolet and visible-light observations of transient astrophysical phenomena such as gamma-ray bursts.
- 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: International Extreme Ultraviolet Hitchhiker (IEH) Target entity description: The International Extreme Ultraviolet Hitchhiker (IEH) was an astronomy payload flown on the Space Shuttle to study celestial sources in the extreme ultraviolet portion of the spectrum.
-
A.
Extreme Ultraviolet Variability Experiment
The Extreme Ultraviolet Variability Experiment is a solar observation instrument that measures the Sun’s extreme ultraviolet irradiance to study its variability and impact on Earth’s upper atmosphere and space weather.
-
B.
Far Ultraviolet Spectroscopic Explorer
The Far Ultraviolet Spectroscopic Explorer (FUSE) was a NASA space telescope mission (1999–2007) designed to study the universe in the far-ultraviolet wavelength range, providing high-resolution spectra of stars, galaxies, and interstellar gas.
-
C.
Extreme Ultraviolet Explorer
Extreme Ultraviolet Explorer was a NASA space telescope mission that operated in the extreme ultraviolet wavelength range to study hot stars, white dwarfs, and the interstellar medium.
-
D.
International Ultraviolet Explorer
The International Ultraviolet Explorer was a space telescope launched in 1978 that provided pioneering ultraviolet observations of astronomical objects for nearly two decades.
-
E.
Ultraviolet/Optical Telescope
The Ultraviolet/Optical Telescope is a space-based instrument designed to capture high-resolution ultraviolet and visible-light observations of transient astrophysical phenomena such as gamma-ray bursts.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
astronomy payload
ⓘ
space shuttle payload ⓘ |
| abbreviation | IEH ⓘ |
| carriedBy | Space Shuttle ⓘ |
| category |
space science instrument
ⓘ
ultraviolet space telescope ⓘ |
| dataType |
extreme ultraviolet flux measurements
ⓘ
photometric observations ⓘ spectral observations ⓘ |
| environment | microgravity ⓘ |
| field |
astronomy
ⓘ
astrophysics ⓘ |
| hostAgency | NASA ⓘ |
| hostVehicleType | crewed spacecraft ⓘ |
| missionDomain |
space astronomy
ⓘ
space science ⓘ |
| observationalBand | extreme ultraviolet band of the electromagnetic spectrum ⓘ |
| observes |
astronomical objects
ⓘ
celestial sources outside Earth’s atmosphere ⓘ cosmic extreme ultraviolet background ⓘ extragalactic extreme ultraviolet sources ⓘ galactic extreme ultraviolet sources ⓘ stellar extreme ultraviolet emission ⓘ |
| observesFrom | above Earth’s atmosphere ⓘ |
| operatedIn | low Earth orbit ⓘ |
| partOf | Hitchhiker program ⓘ |
| platform |
Space Shuttle cargo bay
ⓘ
linked to:
Space Shuttle payload bay
|
| purpose |
scientific research
ⓘ
study of extreme ultraviolet emission from space ⓘ |
| reasonForSpaceUse | Earth’s atmosphere absorbs extreme ultraviolet radiation ⓘ |
| requires | space-based platform ⓘ |
| spectralRegion | extreme ultraviolet (EUV) ⓘ |
| studies |
celestial sources
ⓘ
extreme ultraviolet portion of the spectrum ⓘ extreme ultraviolet radiation ⓘ |
| typeOf | hitchhiker payload ⓘ |
| usedFor |
observational astrophysics
ⓘ
space-based ultraviolet astronomy ⓘ |
| wavelengthRange | extreme ultraviolet ⓘ |
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: International Extreme Ultraviolet Hitchhiker (IEH) Description of subject: The International Extreme Ultraviolet Hitchhiker (IEH) was an astronomy payload flown on the Space Shuttle to study celestial sources in the extreme ultraviolet portion of the spectrum.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.