Hubble Ultra Deep Field
E825607
The Hubble Ultra Deep Field is one of the deepest astronomical images ever taken, revealing thousands of extremely distant and early galaxies and providing key insights into the formation and evolution of the universe.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hubble Ultra Deep Field canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T9838243 — 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: Hubble Ultra Deep Field Context triple: [Hubble Heritage images, relatedTo, Hubble Ultra Deep Field]
-
A.
Hubble Deep Field
The Hubble Deep Field is a landmark astronomical image that revealed thousands of extremely distant galaxies in a tiny patch of sky, providing unprecedented insight into the early universe and galaxy formation.
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B.
Pillars of Creation
Pillars of Creation is a famous Hubble Space Telescope image showing towering columns of interstellar gas and dust in the Eagle Nebula where new stars are being born.
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C.
Hubble Frontier Fields programs
The Hubble Frontier Fields programs were a series of deep-space observing campaigns using the Hubble Space Telescope to study distant galaxies and dark matter through gravitational lensing by massive galaxy clusters.
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D.
Baade Telescope
The Baade Telescope is one of the twin 6.5-meter Magellan optical telescopes used for cutting-edge astronomical research in Chile.
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E.
Hubble V
Hubble V is a massive, bright star-forming nebula in the Triangulum Galaxy, notable as one of the largest known H II regions in the Local Group.
- 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: Hubble Ultra Deep Field Target entity description: The Hubble Ultra Deep Field is one of the deepest astronomical images ever taken, revealing thousands of extremely distant and early galaxies and providing key insights into the formation and evolution of the universe.
-
A.
Hubble Deep Field
The Hubble Deep Field is a landmark astronomical image that revealed thousands of extremely distant galaxies in a tiny patch of sky, providing unprecedented insight into the early universe and galaxy formation.
-
B.
Pillars of Creation
Pillars of Creation is a famous Hubble Space Telescope image showing towering columns of interstellar gas and dust in the Eagle Nebula where new stars are being born.
-
C.
Hubble Frontier Fields programs
The Hubble Frontier Fields programs were a series of deep-space observing campaigns using the Hubble Space Telescope to study distant galaxies and dark matter through gravitational lensing by massive galaxy clusters.
-
D.
Baade Telescope
The Baade Telescope is one of the twin 6.5-meter Magellan optical telescopes used for cutting-edge astronomical research in Chile.
-
E.
Hubble V
Hubble V is a massive, bright star-forming nebula in the Triangulum Galaxy, notable as one of the largest known H II regions in the Local Group.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical image
ⓘ
deep field observation ⓘ |
| alsoKnownAs | HUDF NERFINISHED ⓘ |
| angularArea | about 11 square arcminutes ⓘ |
| angularSize | about 2.7 arcminutes by 2.7 arcminutes ⓘ |
| announcedBy |
ESA
NERFINISHED
ⓘ
NASA NERFINISHED ⓘ |
| approximateSkyCoverage | about one‑tenth the diameter of the full Moon ⓘ |
| contains | about 10,000 galaxies ⓘ |
| dataUsedBy | astronomers worldwide ⓘ |
| declination | −27° 47′ 29″ ⓘ |
| fieldSelectionCriterion |
low density of bright foreground stars
ⓘ
low foreground dust extinction ⓘ no bright nearby galaxies ⓘ |
| firstPublicReleaseDate | March 2004 GENERATED ⓘ |
| followedBy |
Hubble Frontier Fields
NERFINISHED
ⓘ
Hubble Ultra Deep Field 2012 NERFINISHED ⓘ Hubble eXtreme Deep Field NERFINISHED ⓘ |
| hostObservatory | NASA Goddard Space Flight Center NERFINISHED ⓘ |
| imageProcessing | stacking of multiple long exposures ⓘ |
| imageType | composite image ⓘ |
| lightTravelTimeRange | up to about 13 billion years ⓘ |
| locatedInSkyRegion | constellation Fornax NERFINISHED ⓘ |
| numberOfExposures | 800 GENERATED ⓘ |
| observationEndDate | January 2004 ⓘ |
| observationStartDate | September 2003 ⓘ |
| predecessor |
Hubble Deep Field
NERFINISHED
ⓘ
Hubble Deep Field South NERFINISHED ⓘ |
| probesCosmicEpoch |
early universe
ⓘ
era of galaxy formation ⓘ |
| purpose |
constrain reionization epoch
ⓘ
measure star‑formation history of the universe ⓘ study formation and evolution of galaxies ⓘ |
| redshiftRange | up to about z ≈ 7 ⓘ |
| rightAscension | 03h 32m 39.0s ⓘ |
| scienceOperationsCenter | Space Telescope Science Institute NERFINISHED ⓘ |
| selectedBy | Hubble Ultra Deep Field Team NERFINISHED ⓘ |
| significance |
one of the deepest optical images of the universe
ⓘ
provided constraints on galaxy evolution models ⓘ revealed extremely distant galaxies ⓘ |
| takenBy | Hubble Space Telescope NERFINISHED ⓘ |
| telescopeInstrument |
Advanced Camera for Surveys
NERFINISHED
ⓘ
Near Infrared Camera and Multi-Object Spectrometer NERFINISHED ⓘ |
| totalExposureTime |
about 1 million seconds
ⓘ
about 11.6 days ⓘ |
| usedFor |
estimating luminosity functions at high redshift
ⓘ
identifying high‑redshift galaxy candidates ⓘ |
| wavelengthCoverage |
near‑infrared
ⓘ
near‑ultraviolet ⓘ visible light ⓘ |
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: Hubble Ultra Deep Field Description of subject: The Hubble Ultra Deep Field is one of the deepest astronomical images ever taken, revealing thousands of extremely distant and early galaxies and providing key insights into the formation and evolution of the universe.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.