Arecibo L-band Feed Array survey

E267994

HI survey astronomical survey extragalactic survey radio survey

The Arecibo L-band Feed Array survey is a major radio astronomy project that used the Arecibo telescope’s multi-beam receiver to map neutral hydrogen and study the large-scale structure and dynamics of galaxies.

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All labels observed (3)

Label	Occurrences
Arecibo Legacy Fast ALFA survey	3
Arecibo L-band Feed Array	2
Arecibo L-band Feed Array survey canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T2458940 — 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: Arecibo L-band Feed Array survey
Context triple: [Arecibo Observatory, conductedSurvey, Arecibo L-band Feed Array survey]

A. Allen Telescope Array
The Allen Telescope Array is a large, multi-dish radio telescope facility in California designed primarily for simultaneous radio astronomy and the search for extraterrestrial intelligence.
B. Atacama Compact Array
The Atacama Compact Array is a subset of smaller, closely spaced radio telescopes within the ALMA observatory designed to improve imaging of extended astronomical objects at millimeter and submillimeter wavelengths.
C. Very Long Baseline Array
The Very Long Baseline Array is a continent-spanning network of ten radio telescopes used for high-resolution astronomical observations through very long baseline interferometry.
D. Advanced Camera for Surveys
The Advanced Camera for Surveys is a high-resolution imaging instrument on the Hubble Space Telescope designed to capture detailed observations of distant galaxies, galaxy clusters, and other faint astronomical objects.
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: Arecibo L-band Feed Array survey
Target entity description: The Arecibo L-band Feed Array survey is a major radio astronomy project that used the Arecibo telescope’s multi-beam receiver to map neutral hydrogen and study the large-scale structure and dynamics of galaxies.

A. Allen Telescope Array
The Allen Telescope Array is a large, multi-dish radio telescope facility in California designed primarily for simultaneous radio astronomy and the search for extraterrestrial intelligence.
B. Atacama Compact Array
The Atacama Compact Array is a subset of smaller, closely spaced radio telescopes within the ALMA observatory designed to improve imaging of extended astronomical objects at millimeter and submillimeter wavelengths.
C. Very Long Baseline Array
The Very Long Baseline Array is a continent-spanning network of ten radio telescopes used for high-resolution astronomical observations through very long baseline interferometry.
D. Advanced Camera for Surveys
The Advanced Camera for Surveys is a high-resolution imaging instrument on the Hubble Space Telescope designed to capture detailed observations of distant galaxies, galaxy clusters, and other faint astronomical objects.
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 (47)

Predicate	Object
instanceOf	HI survey ⓘ astronomical survey ⓘ extragalactic survey ⓘ radio survey ⓘ
aimsTo	constrain the HI mass function ⓘ map the distribution of neutral hydrogen in the nearby Universe ⓘ measure HI masses of galaxies ⓘ study galaxy evolution ⓘ
alsoKnownAs	ALFALFA survey ⓘ
basedOnTechnology	Arecibo Gregorian upgrade ⓘ linked to: Arecibo Observatory
contributesTo	calibration of Tully–Fisher relation ⓘ measurements of baryonic content in galaxies ⓘ studies of dark matter via rotation widths ⓘ
dataProduct	HI line profiles ⓘ HI maps ⓘ HI source catalogues ⓘ galaxy redshift measurements ⓘ
dataUsedFor	statistical HI stacking analyses ⓘ studies of galaxy environment dependence ⓘ studies of voids and filaments ⓘ
field	cosmology ⓘ extragalactic astronomy ⓘ radio astronomy ⓘ
hasDetectorType	multi-beam receiver ⓘ
hasKeyScienceDriver	census of HI-bearing galaxies in the local Universe ⓘ
hasPolarCoverage	northern sky ⓘ
hasSurveyType	spectroscopic survey ⓘ wide-area survey ⓘ
locatedAt	Arecibo Observatory, Puerto Rico ⓘ linked to: Arecibo Observatory
observatoryType	single-dish radio telescope survey ⓘ
observes	neutral hydrogen ⓘ
observesSpectralLine	21 cm neutral hydrogen line ⓘ
probes	local Universe ⓘ low-redshift galaxies ⓘ
relatedTo	Arecibo Legacy Fast ALFA survey ⓘ linked to: Arecibo L-band Feed Array survey
studies	HI content of galaxies ⓘ cosmic web ⓘ dynamics of galaxies ⓘ environmental effects on galaxies ⓘ galaxy mass function ⓘ large-scale structure of the Universe ⓘ
usesFrequencyRange	around 1.4 GHz ⓘ
usesInstrument	Arecibo L-band Feed Array ⓘ linked to: Arecibo L-band Feed Array survey
usesMethod	blind HI survey ⓘ drift-scan observing mode ⓘ
usesTelescope	Arecibo Observatory ⓘ
usesWavelengthBand	L-band ⓘ

How these facts were elicited