CfA Redshift Survey
E550694
The CfA Redshift Survey is a pioneering large-scale galaxy redshift survey that mapped the three-dimensional distribution of galaxies in the nearby universe, revealing major structures such as superclusters and voids.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Center for Astrophysics Redshift Survey | 1 |
| CfA Redshift Survey canonical | 1 |
| CfA2 Great Wall | 1 |
| CfA2 Redshift Survey | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5846096 — 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: CfA Redshift Survey Context triple: [Perseus–Pisces Supercluster, studiedIn, CfA Redshift Survey]
-
A.
Sloan Digital Sky Survey
The Sloan Digital Sky Survey is a major astronomical project that has created some of the most detailed three-dimensional maps of the universe using wide-field imaging and spectroscopy.
-
B.
Carnegie Irvine Galaxy Survey
The Carnegie Irvine Galaxy Survey is an astronomical project that provides detailed optical imaging and analysis of nearby galaxies to study their structure, formation, and evolution.
-
C.
Zwicky catalog of galaxies
The Zwicky catalog of galaxies is an influential astronomical catalog compiled by Swiss astronomer Fritz Zwicky that systematically lists and classifies thousands of galaxies and galaxy clusters.
-
D.
Abell catalog of rich clusters of galaxies
The Abell catalog of rich clusters of galaxies is a comprehensive astronomical catalog compiled by George O. Abell that lists thousands of prominent galaxy clusters used extensively in the study of large-scale structure in the universe.
-
E.
Carnegie-Spitzer-IMACS Survey
The Carnegie-Spitzer-IMACS Survey is an astronomical research project that combines infrared observations from the Spitzer Space Telescope with optical spectroscopy from the IMACS instrument to study the formation and evolution of galaxies across cosmic time.
- 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: CfA Redshift Survey Target entity description: The CfA Redshift Survey is a pioneering large-scale galaxy redshift survey that mapped the three-dimensional distribution of galaxies in the nearby universe, revealing major structures such as superclusters and voids.
-
A.
Sloan Digital Sky Survey
The Sloan Digital Sky Survey is a major astronomical project that has created some of the most detailed three-dimensional maps of the universe using wide-field imaging and spectroscopy.
-
B.
Carnegie Irvine Galaxy Survey
The Carnegie Irvine Galaxy Survey is an astronomical project that provides detailed optical imaging and analysis of nearby galaxies to study their structure, formation, and evolution.
-
C.
Zwicky catalog of galaxies
The Zwicky catalog of galaxies is an influential astronomical catalog compiled by Swiss astronomer Fritz Zwicky that systematically lists and classifies thousands of galaxies and galaxy clusters.
-
D.
Abell catalog of rich clusters of galaxies
The Abell catalog of rich clusters of galaxies is a comprehensive astronomical catalog compiled by George O. Abell that lists thousands of prominent galaxy clusters used extensively in the study of large-scale structure in the universe.
-
E.
Carnegie-Spitzer-IMACS Survey
The Carnegie-Spitzer-IMACS Survey is an astronomical research project that combines infrared observations from the Spitzer Space Telescope with optical spectroscopy from the IMACS instrument to study the formation and evolution of galaxies across cosmic time.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical survey
ⓘ
galaxy redshift survey ⓘ |
| abbreviationOf |
Center for Astrophysics Redshift Survey
ⓘ
linked to:
CfA Redshift Survey
|
| aimedTo | map the three-dimensional distribution of nearby galaxies ⓘ |
| basedAt |
Harvard College Observatory
ⓘ
Smithsonian Astrophysical Observatory ⓘ |
| conductedBy |
Harvard-Smithsonian Center for Astrophysics
ⓘ
linked to:
Smithsonian Astrophysical Observatory
|
| contributedTo |
constraints on cosmological models
ⓘ
discovery of the cosmic web ⓘ evidence for hierarchical structure formation ⓘ understanding of galaxy clustering ⓘ |
| cosmologicalScale | local universe ⓘ |
| dataProduct | redshift catalog of galaxies ⓘ |
| dataType | optical spectra of galaxies ⓘ |
| field |
astronomy
ⓘ
cosmology ⓘ large-scale structure of the universe ⓘ |
| helpedEstablish |
existence of large cosmic voids
ⓘ
non-uniform distribution of galaxies on large scales ⓘ |
| inspired |
CfA2 Redshift Survey
ⓘ
linked to:
CfA Redshift Survey
subsequent large-scale redshift surveys ⓘ |
| locationOfObservation | Northern Hemisphere sky ⓘ |
| measured |
galaxy radial velocities
ⓘ
galaxy redshifts ⓘ |
| method | redshift-distance relation ⓘ |
| notableFor |
detailed maps of galaxy superclusters
ⓘ
first clear evidence of cosmic voids ⓘ pioneering large-scale galaxy redshift mapping ⓘ |
| observedObjectType | galaxies ⓘ |
| relatedTo |
2dF Galaxy Redshift Survey
ⓘ
Sloan Digital Sky Survey ⓘ large-scale structure surveys ⓘ |
| revealed |
filamentary large-scale structure
ⓘ
superclusters ⓘ voids ⓘ |
| surveyType | magnitude-limited galaxy survey ⓘ |
| targeted | nearby galaxies ⓘ |
| timePeriod | late 20th century ⓘ |
| usedFor |
mapping three-dimensional galaxy distribution
ⓘ
studying supercluster-void network ⓘ |
| usedInstrument |
1.5-meter Tillinghast telescope
ⓘ
Multiple Mirror Telescope ⓘ |
| usedTelescopeType | optical telescope ⓘ |
| uses | galaxy redshift measurements ⓘ |
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: CfA Redshift Survey Description of subject: The CfA Redshift Survey is a pioneering large-scale galaxy redshift survey that mapped the three-dimensional distribution of galaxies in the nearby universe, revealing major structures such as superclusters and voids.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: CfA Redshift Survey
linked to: CfA Redshift Survey
subject linked to:
Hercules–Corona Borealis Great Wall (partly in direction)
linked to: CfA Redshift Survey