International Ultraviolet Explorer
E238809
The International Ultraviolet Explorer was a space telescope launched in 1978 that provided pioneering ultraviolet observations of astronomical objects for nearly two decades.
All labels observed (3)
| Label | Occurrences |
|---|---|
| International Ultraviolet Explorer canonical | 3 |
| IUE | 2 |
| International Ultraviolet Explorer (U.S. share) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2139387 — 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.
Target entity: International Ultraviolet Explorer Context triple: [Mikulski Archive for Space Telescopes, dataSource, International Ultraviolet Explorer]
-
A.
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.
-
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.
SOHO mission
The SOHO mission (Solar and Heliospheric Observatory) is a joint ESA–NASA space observatory launched in 1995 to study the Sun’s interior, atmosphere, and solar wind, greatly advancing our understanding of solar physics and space weather.
-
D.
Neil Gehrels Swift Observatory
The Neil Gehrels Swift Observatory is a NASA space telescope dedicated primarily to detecting and studying gamma-ray bursts and other high-energy astrophysical phenomena.
-
E.
Spitzer Space Telescope
The Spitzer Space Telescope was a NASA infrared space observatory that studied the universe in long-wavelength light, revealing cold, dusty, and distant objects invisible to optical telescopes.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: International Ultraviolet Explorer Target entity description: The International Ultraviolet Explorer was a space telescope launched in 1978 that provided pioneering ultraviolet observations of astronomical objects for nearly two decades.
-
A.
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.
-
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.
SOHO mission
The SOHO mission (Solar and Heliospheric Observatory) is a joint ESA–NASA space observatory launched in 1995 to study the Sun’s interior, atmosphere, and solar wind, greatly advancing our understanding of solar physics and space weather.
-
D.
Neil Gehrels Swift Observatory
The Neil Gehrels Swift Observatory is a NASA space telescope dedicated primarily to detecting and studying gamma-ray bursts and other high-energy astrophysical phenomena.
-
E.
Spitzer Space Telescope
The Spitzer Space Telescope was a NASA infrared space observatory that studied the universe in long-wavelength light, revealing cold, dusty, and distant objects invisible to optical telescopes.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory
ⓘ
space telescope ⓘ |
| abbreviation |
International Ultraviolet Explorer
self-linksurface differs
ⓘ
surface form:
IUE
|
| collaboratingAgency |
European Space Agency
ⓘ
NASA ⓘ Science and Engineering Research Council ⓘ
surface form:
United Kingdom Science and Engineering Research Council
|
| cosparId | 1978-012A ⓘ |
| dataArchiveLocation |
ESA IUE Newly Extracted Spectra archive
ⓘ
Mikulski Archive for Space Telescopes ⓘ |
| deactivationDate | 1996-09-30 ⓘ |
| endOfOperationsYear | 1996 ⓘ |
| followedBy |
Far Ultraviolet Spectroscopic Explorer
ⓘ
Hubble Space Telescope ⓘ |
| groundStation |
Goddard Space Flight Center
ⓘ
Coslada ⓘ
surface form:
VILSPA
Madrid Deep Space Communications Complex ⓘ
surface form:
Villafranca Satellite Tracking Station
|
| launchCountry |
United States of America
ⓘ
surface form:
United States
|
| launchDate | 1978-01-26 ⓘ |
| launchSite |
Cape Canaveral
ⓘ
Cape Canaveral Space Force Station ⓘ
surface form:
Cape Canaveral Air Force Station
|
| launchVehicle | Delta 2914 ⓘ |
| launchYear | 1978 ⓘ |
| missionDuration | about 18 years ⓘ |
| missionEndReason | end of funding and aging hardware ⓘ |
| notableContribution |
calibration reference for later ultraviolet missions
ⓘ
detailed ultraviolet spectra of active galactic nuclei ⓘ pioneering long-term ultraviolet monitoring of variable stars ⓘ ultraviolet observations of supernovae ⓘ ultraviolet studies of stellar winds ⓘ |
| nssdcId | 1978-012A ⓘ |
| observedObjectType |
comets
ⓘ
galaxies ⓘ interstellar medium ⓘ planetary atmospheres ⓘ quasars ⓘ stars ⓘ |
| operator |
European Space Agency
ⓘ
NASA ⓘ Science and Engineering Research Council ⓘ
surface form:
UK Science and Engineering Research Council
|
| orbitInclination | 28.6 degrees ⓘ |
| orbitType | geosynchronous orbit ⓘ |
| precededBy | Orbiting Astronomical Observatory program ⓘ |
| primaryMirrorDiameter |
0.45 metres
ⓘ
45 centimeters ⓘ |
| primaryScienceGoal | ultraviolet spectroscopy of astronomical objects ⓘ |
| scientificDiscipline |
astrophysics
ⓘ
ultraviolet astronomy ⓘ |
| spectralBand | ultraviolet ⓘ |
| telescopeType |
Ritchey–Chrétien reflector
ⓘ
surface form:
Ritchey–Chrétien telescope
|
| wavelengthRange | 115–320 nanometres ⓘ |
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.
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.
Subject: International Ultraviolet Explorer Description of subject: The International Ultraviolet Explorer was a space telescope launched in 1978 that provided pioneering ultraviolet observations of astronomical objects for nearly two decades.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.