Carnegie-Spitzer-IMACS Survey
E183929
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Carnegie-Spitzer-IMACS Survey canonical | 1 |
| SHELA (Spitzer-HETDEX Exploratory Large-Area survey) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1639853 — 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: Carnegie-Spitzer-IMACS Survey Context triple: [Carnegie Observatories, notableProject, Carnegie-Spitzer-IMACS Survey]
-
A.
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.
-
B.
Two Micron All Sky Survey
The Two Micron All Sky Survey (2MASS) is an astronomical survey that mapped the entire sky in near-infrared wavelengths, producing a comprehensive catalog of stars, galaxies, and other celestial objects.
-
C.
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.
-
D.
VISTA telescope
The VISTA telescope is a 4.1-meter wide-field survey telescope in Chile designed primarily for large-scale near-infrared sky surveys.
-
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: Carnegie-Spitzer-IMACS Survey Target entity description: 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.
-
A.
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.
-
B.
Two Micron All Sky Survey
The Two Micron All Sky Survey (2MASS) is an astronomical survey that mapped the entire sky in near-infrared wavelengths, producing a comprehensive catalog of stars, galaxies, and other celestial objects.
-
C.
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.
-
D.
VISTA telescope
The VISTA telescope is a 4.1-meter wide-field survey telescope in Chile designed primarily for large-scale near-infrared sky surveys.
-
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 (48)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical survey
ⓘ
galaxy survey ⓘ observational cosmology project ⓘ |
| aimsToStudy |
galaxy evolution
ⓘ
galaxy formation ⓘ galaxy properties across cosmic time ⓘ stellar mass assembly in galaxies ⓘ |
| collaborationType | international collaboration ⓘ |
| combines |
ground-based optical spectroscopy
ⓘ
space-based infrared imaging ⓘ |
| dataProduct |
galaxy redshift catalogues
ⓘ
spectroscopic measurements of galaxy properties ⓘ stellar mass estimates for galaxies ⓘ |
| dataSource |
IMACS multi-object spectroscopy
ⓘ
Spitzer IRAC observations ⓘ |
| field |
astronomy
ⓘ
astrophysics ⓘ extragalactic astronomy ⓘ |
| focusesOn |
distant galaxies
ⓘ
intermediate-redshift galaxies ⓘ low-redshift galaxies ⓘ |
| goal |
to constrain the buildup of stellar mass in the universe
ⓘ
to obtain a mass-selected sample of galaxies ⓘ to trace galaxy evolution over a wide redshift range ⓘ |
| hostInstitution | Carnegie Observatories ⓘ |
| instrumentLocation |
Magellan telescopes
ⓘ
linked to:
Magellan Telescopes
|
| measures |
galaxy redshifts
ⓘ
galaxy spectral features ⓘ galaxy stellar masses ⓘ star-formation rates ⓘ |
| observatory | Las Campanas Observatory ⓘ |
| observesBand |
3.6 micron band
ⓘ
near-infrared continuum ⓘ |
| relatedTo |
cosmic star-formation history
ⓘ
galaxy luminosity functions ⓘ galaxy stellar mass functions ⓘ mass-to-light ratios of galaxies ⓘ |
| studies |
environmental dependence of galaxy evolution
ⓘ
relationship between stellar mass and star-formation rate ⓘ |
| usesDataType |
infrared imaging
ⓘ
optical spectroscopy ⓘ |
| usesInstrument | IMACS ⓘ |
| usesMethod |
multi-object spectroscopy
ⓘ
photometric and spectroscopic redshift estimation ⓘ spectral energy distribution fitting ⓘ |
| usesTelescope | Spitzer Space Telescope ⓘ |
| usesWavelengthRange |
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: Carnegie-Spitzer-IMACS Survey Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Carnegie-Spitzer-IMACS Survey