Legacy Survey of Space and Time
E259495
The Legacy Survey of Space and Time is a decade-long, wide-field astronomical survey designed to map the dynamic sky in unprecedented detail, enabling major advances in cosmology, dark matter and dark energy studies, and time-domain astrophysics.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Legacy Survey of Space and Time canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2375118 — 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: Legacy Survey of Space and Time Context triple: [Vera C. Rubin Observatory, mainSurvey, Legacy Survey of Space and Time]
-
A.
Dark Energy Survey
The Dark Energy Survey is a large international astronomical project that uses a wide-field camera on a Chilean telescope to map hundreds of millions of galaxies and study the nature of dark energy and cosmic acceleration.
-
B.
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.
-
C.
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.
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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.
OGLE-IV survey
The OGLE-IV survey is a large-scale astronomical sky survey focused on detecting microlensing events and variable stars, conducted with the Warsaw Telescope at Las Campanas Observatory.
- 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: Legacy Survey of Space and Time Target entity description: The Legacy Survey of Space and Time is a decade-long, wide-field astronomical survey designed to map the dynamic sky in unprecedented detail, enabling major advances in cosmology, dark matter and dark energy studies, and time-domain astrophysics.
-
A.
Dark Energy Survey
The Dark Energy Survey is a large international astronomical project that uses a wide-field camera on a Chilean telescope to map hundreds of millions of galaxies and study the nature of dark energy and cosmic acceleration.
-
B.
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.
-
C.
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.
-
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.
OGLE-IV survey
The OGLE-IV survey is a large-scale astronomical sky survey focused on detecting microlensing events and variable stars, conducted with the Warsaw Telescope at Las Campanas Observatory.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical survey
ⓘ
time-domain survey ⓘ wide-field imaging survey ⓘ |
| abbreviation |
Vera C. Rubin Observatory
ⓘ
surface form:
LSST
|
| cadence | repeated observations of the same fields over 10 years ⓘ |
| country | Chile ⓘ |
| dataAccess | Rubin Science Platform ⓘ |
| dataPolicy | public data release ⓘ |
| dataProduct |
deep coadded images
ⓘ
multi-epoch imaging ⓘ object catalogs ⓘ time-series photometry ⓘ |
| enables |
Type Ia supernova cosmology
ⓘ
baryon acoustic oscillation studies ⓘ near-Earth object discovery ⓘ variable star studies ⓘ weak gravitational lensing measurements ⓘ |
| expectedAlertRate | millions of alerts per night ⓘ |
| expectedDataVolume | tens of petabytes ⓘ |
| filterBand |
g
ⓘ
i ⓘ r ⓘ u ⓘ y ⓘ z ⓘ |
| hostFacility | Vera C. Rubin Observatory ⓘ |
| location |
Cerro Pachón
ⓘ
surface form:
Cerro Pachón, Chile
|
| mainGoal |
explore the transient and variable sky
ⓘ
inventory the Solar System ⓘ map the Milky Way ⓘ study dark energy ⓘ study dark matter ⓘ |
| originalName | Large Synoptic Survey Telescope survey ⓘ |
| partOf | Vera C. Rubin Observatory ⓘ |
| primaryInstrument | LSST Camera ⓘ |
| renamedWith | Vera C. Rubin Observatory naming ⓘ |
| scienceTheme |
Milky Way structure
ⓘ
Solar System small bodies ⓘ cosmology ⓘ galaxy evolution ⓘ time-domain astrophysics ⓘ |
| skyCoverage |
approximately 18,000 square degrees
ⓘ
most of the southern sky ⓘ |
| sponsor |
National Science Foundation
ⓘ
U.S. Department of Energy ⓘ |
| startPlanned | mid-2020s ⓘ |
| surveyDuration | 10 years ⓘ |
| telescopeUsed |
Simonyi Survey Telescope
ⓘ
surface form:
Rubin Observatory 8.4-meter Simonyi Survey Telescope
|
| wavelengthRange |
near-infrared
ⓘ
optical ⓘ |
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: Legacy Survey of Space and Time Description of subject: The Legacy Survey of Space and Time is a decade-long, wide-field astronomical survey designed to map the dynamic sky in unprecedented detail, enabling major advances in cosmology, dark matter and dark energy studies, and time-domain astrophysics.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.