R Coronae Australis
E450604
R Coronae Australis is a young variable star embedded in the Corona Australis star-forming region, notable for its irregular brightness changes and association with reflection nebulosity.
All labels observed (2)
| Label | Occurrences |
|---|---|
| R Coronae Australis canonical | 2 |
| R Coronae Australis cloud | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4531801 — 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: R Coronae Australis Context triple: [Corona Australis, contains, R Coronae Australis]
-
A.
Merope Nebula
The Merope Nebula is a bright reflection nebula in the Pleiades star cluster, illuminated by and surrounding the hot blue star Merope in the constellation Taurus.
-
B.
30 Doradus
30 Doradus, also known as the Tarantula Nebula, is a vast and intensely active star-forming region and emission nebula in the Large Magellanic Cloud.
-
C.
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.
-
D.
NGC 3132
NGC 3132 is a bright, elliptical planetary nebula in the constellation Vela, noted for its striking ring-like appearance and complex internal structure.
-
E.
Rosette Nebula
The Rosette Nebula is a large, circular emission nebula and active star-forming region located in the Milky Way, notable for its striking rose-like appearance in astrophotography.
- 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: R Coronae Australis Target entity description: R Coronae Australis is a young variable star embedded in the Corona Australis star-forming region, notable for its irregular brightness changes and association with reflection nebulosity.
-
A.
Merope Nebula
The Merope Nebula is a bright reflection nebula in the Pleiades star cluster, illuminated by and surrounding the hot blue star Merope in the constellation Taurus.
-
B.
30 Doradus
30 Doradus, also known as the Tarantula Nebula, is a vast and intensely active star-forming region and emission nebula in the Large Magellanic Cloud.
-
C.
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.
-
D.
NGC 3132
NGC 3132 is a bright, elliptical planetary nebula in the constellation Vela, noted for its striking ring-like appearance and complex internal structure.
-
E.
Rosette Nebula
The Rosette Nebula is a large, circular emission nebula and active star-forming region located in the Milky Way, notable for its striking rose-like appearance in astrophotography.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
T Tauri star candidate
ⓘ
pre-main-sequence star ⓘ variable star ⓘ young stellar object ⓘ |
| age | less than 10 million years ⓘ |
| associatedWith |
reflection nebula
ⓘ
star formation ⓘ |
| catalogDesignation |
R CrA
ⓘ
linked to:
CrA
|
| distanceFromEarth |
approximately 130 parsecs
ⓘ
approximately 420 light-years ⓘ |
| embeddedIn | molecular cloud in Corona Australis ⓘ |
| emits |
X-rays
ⓘ
infrared radiation ⓘ |
| hasCircumstellarMaterial |
circumstellar disk
ⓘ
envelope ⓘ |
| hasEnvironment |
dense interstellar dust
ⓘ
reflection nebulosity ⓘ |
| hasNearbyObjects |
Herbig–Haro objects in Corona Australis region
ⓘ
other young stellar objects in Corona Australis ⓘ |
| locatedIn |
Corona Australis constellation
ⓘ
linked to:
Corona Australis
southern sky ⓘ |
| memberOf |
Corona Australis star-forming region
ⓘ
linked to:
Corona Australis molecular cloud complex
|
| observedIn |
X-ray wavelengths
ⓘ
infrared wavelengths ⓘ optical wavelengths ⓘ |
| partOf |
R CrA star-forming complex
ⓘ
linked to:
Corona Australis molecular cloud complex
|
| shows |
accretion-related variability
ⓘ
irregular brightness variations ⓘ |
| spectralType | Herbig Ae/Be-like ⓘ |
| variableType | irregular variable ⓘ |
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: R Coronae Australis Description of subject: R Coronae Australis is a young variable star embedded in the Corona Australis star-forming region, notable for its irregular brightness changes and association with reflection nebulosity.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: R Coronae Australis