Carnegie Supernova Project
E183928
The Carnegie Supernova Project is an astronomical research initiative focused on observing and characterizing supernovae to improve measurements of cosmic distances and the expansion of the universe.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Carnegie Supernova Project canonical | 1 |
| Carnegie Supernova Project I | 1 |
| Carnegie Supernova Project II | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1639852 — 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 Supernova Project Context triple: [Carnegie Observatories, notableProject, Carnegie Supernova Project]
-
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.
SN 1572
SN 1572 is a historically significant supernova in the constellation Cassiopeia whose detailed observations by Tycho Brahe helped challenge the Aristotelian view of an unchanging heavens.
-
C.
Tolman surface brightness test
The Tolman surface brightness test is an observational cosmology method that checks whether the universe is expanding by examining how the surface brightness of distant galaxies diminishes with redshift.
-
D.
Carnegie Observatories
Carnegie Observatories is a major astronomical research institution known for operating world-class telescopes and conducting cutting-edge studies of the universe.
-
E.
Dark Energy Camera
The Dark Energy Camera is a powerful wide-field astronomical imaging instrument designed to study dark energy and map the large-scale structure of the universe.
- 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 Supernova Project Target entity description: The Carnegie Supernova Project is an astronomical research initiative focused on observing and characterizing supernovae to improve measurements of cosmic distances and the expansion of the universe.
-
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.
SN 1572
SN 1572 is a historically significant supernova in the constellation Cassiopeia whose detailed observations by Tycho Brahe helped challenge the Aristotelian view of an unchanging heavens.
-
C.
Tolman surface brightness test
The Tolman surface brightness test is an observational cosmology method that checks whether the universe is expanding by examining how the surface brightness of distant galaxies diminishes with redshift.
-
D.
Carnegie Observatories
Carnegie Observatories is a major astronomical research institution known for operating world-class telescopes and conducting cutting-edge studies of the universe.
-
E.
Dark Energy Camera
The Dark Energy Camera is a powerful wide-field astronomical imaging instrument designed to study dark energy and map the large-scale structure of the universe.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical research project
ⓘ
observational cosmology project ⓘ supernova survey ⓘ |
| affiliation |
Carnegie Institution of Washington
ⓘ
surface form:
Carnegie Institution for Science
Carnegie Observatories ⓘ |
| aimsTo |
build a uniform supernova sample for cosmology
ⓘ
characterize supernova host galaxies ⓘ improve cross-band photometric calibration ⓘ |
| contributesTo |
calibration of Type Ia supernovae as standard candles
ⓘ
constraints on dark energy equation of state ⓘ constraints on the Hubble constant ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dataProduct |
calibrated photometric catalogs
ⓘ
supernova light curves ⓘ supernova spectra ⓘ |
| field |
astronomy
ⓘ
astrophysics ⓘ cosmology ⓘ |
| goal |
improve measurements of cosmic distances
ⓘ
improve measurements of the Hubble diagram ⓘ obtain detailed spectroscopy of supernovae ⓘ obtain homogeneous photometry of supernovae ⓘ provide high-quality light curves of supernovae ⓘ reduce systematic uncertainties in supernova cosmology ⓘ |
| hasPhase |
Carnegie Supernova Project
self-linksurface differs
ⓘ
surface form:
Carnegie Supernova Project I
Carnegie Supernova Project self-linksurface differs ⓘ
surface form:
Carnegie Supernova Project II
|
| location | Las Campanas Observatory ⓘ |
| observes |
intermediate-redshift supernovae
ⓘ
nearby supernovae ⓘ |
| publicationType |
peer-reviewed journal articles
ⓘ
supernova data releases ⓘ |
| researchFocus |
Type Ia supernovae
ⓘ
cosmic distance scale ⓘ dark energy constraints ⓘ expansion of the universe ⓘ supernovae ⓘ |
| startTime | mid-2000s ⓘ |
| usesInstrument |
Las Campanas Observatory telescopes
ⓘ
Magellan Telescopes ⓘ
surface form:
Magellan telescopes
Swope Telescope ⓘ du Pont Telescope ⓘ |
| usesMethod |
near-infrared photometry
ⓘ
optical photometry ⓘ optical spectroscopy ⓘ time-series observations ⓘ |
| website | https://csp.obs.carnegiescience.edu/ ⓘ |
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 Supernova Project Description of subject: The Carnegie Supernova Project is an astronomical research initiative focused on observing and characterizing supernovae to improve measurements of cosmic distances and the expansion of the universe.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Carnegie Supernova Project I
this entity surface form:
Carnegie Supernova Project II