variable star R Scuti
E459138
R Scuti is a luminous RV Tauri-type pulsating variable star in the constellation Scutum, notable for its large, irregular brightness variations and advanced evolutionary stage.
All labels observed (1)
| Label | Occurrences |
|---|---|
| variable star R Scuti canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4619164 — 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: variable star R Scuti Context triple: [Scutum, contains, variable star R Scuti]
-
A.
UY Scuti
UY Scuti is a 2021 studio album by Nigerian rapper and singer Olamide that blends Afrobeats, hip-hop, and pop influences.
-
B.
Cepheid
Cepheid is a molecular diagnostics company known for its rapid, automated PCR-based testing systems used in clinical and research settings.
-
C.
V Coronae Australis
V Coronae Australis is a variable star located in the southern constellation Corona Australis.
-
D.
Betelgeuse
Betelgeuse is a massive red supergiant star in the constellation Orion, notable for its brightness and status as a likely future supernova.
-
E.
Eta Carinae
Eta Carinae is a highly luminous and unstable massive stellar system in the constellation Carina, famous for its 19th-century "Great Eruption" and its surrounding Homunculus Nebula.
- 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: variable star R Scuti Target entity description: R Scuti is a luminous RV Tauri-type pulsating variable star in the constellation Scutum, notable for its large, irregular brightness variations and advanced evolutionary stage.
-
A.
UY Scuti
UY Scuti is a 2021 studio album by Nigerian rapper and singer Olamide that blends Afrobeats, hip-hop, and pop influences.
-
B.
Cepheid
Cepheid is a molecular diagnostics company known for its rapid, automated PCR-based testing systems used in clinical and research settings.
-
C.
V Coronae Australis
V Coronae Australis is a variable star located in the southern constellation Corona Australis.
-
D.
Betelgeuse
Betelgeuse is a massive red supergiant star in the constellation Orion, notable for its brightness and status as a likely future supernova.
-
E.
Eta Carinae
Eta Carinae is a highly luminous and unstable massive stellar system in the constellation Carina, famous for its 19th-century "Great Eruption" and its surrounding Homunculus Nebula.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
RV Tauri variable
ⓘ
pulsating variable star ⓘ variable star ⓘ |
| apparentMagnitudeRange | 4.2–8.6 ⓘ |
| belongsTo | Milky Way NERFINISHED ⓘ |
| brightnessVariation |
irregular
ⓘ
large ⓘ |
| canBeObservedWithNakedEye | yes ⓘ |
| catalogDesignation |
BD−05°4573
NERFINISHED
ⓘ
HD 173819 NERFINISHED ⓘ HIP 92175 NERFINISHED ⓘ HR 7065 NERFINISHED ⓘ R Sct NERFINISHED ⓘ |
| colorIndex | variable ⓘ |
| constellation | Scutum NERFINISHED ⓘ |
| declination | −05° 42′ (approx) ⓘ |
| displaysPeriodChanges | yes ⓘ |
| distanceFromEarth |
~1.5 kiloparsecs
ⓘ
~4900 light-years ⓘ |
| effectiveTemperature | ~4500 K ⓘ |
| energySource | shell hydrogen and helium burning ⓘ |
| evolutionaryStage |
highly evolved star
ⓘ
post-asymptotic giant branch star ⓘ |
| futureEvolution | will evolve into white dwarf ⓘ |
| galacticPopulation | Population II ⓘ |
| hasCircumstellarEnvelope | yes ⓘ |
| hasDustShell | yes ⓘ |
| hasInfraredExcess | yes ⓘ |
| hasPhotometricVariability | yes ⓘ |
| isPrototypeOf | RV Tauri variables with irregular minima ⓘ |
| lightCurveShape | alternating deep and shallow minima ⓘ |
| luminosity | several thousand times solar ⓘ |
| luminosityClass | Ib ⓘ |
| mass | ~0.6–0.8 solar masses ⓘ |
| metallicity | subsolar ⓘ |
| minimumBrightnessRequiresBinoculars | yes ⓘ |
| observedBy | AAVSO NERFINISHED ⓘ |
| parallax | ~0.66 mas ⓘ |
| pulsationMode | radial ⓘ |
| radialVelocity | ~+44 km/s ⓘ |
| radius | ~150–200 solar radii ⓘ |
| rightAscension | 18h 47m (approx) ⓘ |
| showsEmissionLines | yes ⓘ |
| spectralType |
G5Ib
ⓘ
K2Ib ⓘ |
| variabilityPeriod | ~140 days ⓘ |
| variableStarDesignation | R Scuti NERFINISHED ⓘ |
| variableType | RV Tauri NERFINISHED ⓘ |
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: variable star R Scuti Description of subject: R Scuti is a luminous RV Tauri-type pulsating variable star in the constellation Scutum, notable for its large, irregular brightness variations and advanced evolutionary stage.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.