3 Crucis
E562740
3 Crucis is a bright blue giant star in the constellation Crux, better known by its Bayer designation Beta Crucis and as one of the prominent stars of the Southern Cross.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 3 Crucis canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5636979 — 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: 3 Crucis Context triple: [Beta Crucis, hasFlamsteedDesignation, 3 Crucis]
-
A.
Gamma Crucis
Gamma Crucis is a bright red giant star in the constellation Crux, prominently visible as one of the main stars forming the Southern Cross.
-
B.
Epsilon Crucis
Epsilon Crucis is a bright star in the Southern Cross constellation, prominently featured on the Australian national flag.
-
C.
Delta Crucis
Delta Crucis is a bright blue-white giant star in the Southern Cross constellation, prominently featured on the Australian national flag.
-
D.
Crucis
Crucis is the Latin genitive form used in star names within the Southern Cross (Crux) constellation, indicating a star “of the Cross.”
-
E.
Gamma Tucanae
Gamma Tucanae is a star in the southern constellation Tucana, visible to the naked eye and used as a reference point in that region of the sky.
- 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: 3 Crucis Target entity description: 3 Crucis is a bright blue giant star in the constellation Crux, better known by its Bayer designation Beta Crucis and as one of the prominent stars of the Southern Cross.
-
A.
Gamma Crucis
Gamma Crucis is a bright red giant star in the constellation Crux, prominently visible as one of the main stars forming the Southern Cross.
-
B.
Epsilon Crucis
Epsilon Crucis is a bright star in the Southern Cross constellation, prominently featured on the Australian national flag.
-
C.
Delta Crucis
Delta Crucis is a bright blue-white giant star in the Southern Cross constellation, prominently featured on the Australian national flag.
-
D.
Crucis
Crucis is the Latin genitive form used in star names within the Southern Cross (Crux) constellation, indicating a star “of the Cross.”
-
E.
Gamma Tucanae
Gamma Tucanae is a star in the southern constellation Tucana, visible to the naked eye and used as a reference point in that region of the sky.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
blue giant star
ⓘ
star ⓘ |
| age | about 8 million years ⓘ |
| alsoKnownAs |
Beta Crucis
ⓘ
Mimosa ⓘ β Crucis ⓘ
linked to:
Beta Crucis
|
| apparentMagnitudeV | 1.25 ⓘ |
| BayerDesignation |
β Crucis
ⓘ
linked to:
Beta Crucis
|
| belongsTo | Milky Way ⓘ |
| colorIndexB−V | −0.23 ⓘ |
| constellation | Crux ⓘ |
| culturalSignificance | part of the Southern Cross on several national flags ⓘ |
| declination | −59° 41′ ⓘ |
| distanceFromEarth_ly | approximately 280 light-years ⓘ |
| distanceFromEarth_pc | approximately 86 parsecs ⓘ |
| effectiveTemperature | about 27,000 K ⓘ |
| equatorialCoordinateSystem |
ICRS
ⓘ
linked to:
International Celestial Reference System
|
| flagAppearsOn |
flag of Australia
ⓘ
flag of New Zealand ⓘ flag of Papua New Guinea ⓘ flag of Samoa ⓘ |
| FlamsteedDesignation | 3 Crucis ⓘ |
| galacticLatitude | about +0.5° ⓘ |
| galacticLongitude | about 302° ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasCompanion | spectroscopic companion ⓘ |
| HDDesignation | HD 111123 ⓘ |
| HIPDesignation | HIP 62434 ⓘ |
| HRDesignation | HR 4853 ⓘ |
| isOneOf |
brightest stars in Crux
ⓘ
brightest stars in the night sky ⓘ |
| isPartOf |
Southern Cross asterism
ⓘ
linked to:
Crux constellation
|
| isVisibleFrom |
Southern Hemisphere
ⓘ
low northern latitudes ⓘ |
| luminosity | about 34,000 times solar luminosity ⓘ |
| mass | about 16 solar masses ⓘ |
| metallicity | near-solar ⓘ |
| multiplicity | binary star system ⓘ |
| parallax | about 11.6 milliarcseconds ⓘ |
| radialVelocity | about +15 km/s ⓘ |
| radius | about 8 solar radii ⓘ |
| rightAscension | 12h 47m ⓘ |
| rotationalVelocity | about 35 km/s ⓘ |
| spectralClass | B0.5 III ⓘ |
| usedFor | celestial navigation in Southern Hemisphere ⓘ |
| variableStarType | Beta Cephei 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: 3 Crucis Description of subject: 3 Crucis is a bright blue giant star in the constellation Crux, better known by its Bayer designation Beta Crucis and as one of the prominent stars of the Southern Cross.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.