HD 106490
E599095
HD 106490 is a bright blue-white giant star in the constellation Crux, commonly known as Delta Crucis and forming part of the Southern Cross asterism.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HD 106490 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6642733 — 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: HD 106490 Context triple: [Delta Crucis, otherName, HD 106490]
-
A.
HD 108248
HD 108248 is the Henry Draper Catalogue designation for Alpha Crucis, the brightest star in the Southern Cross constellation.
-
B.
HD 215497
HD 215497 is a star located in the constellation Tucana, known to host at least one exoplanet.
-
C.
HD 281159
HD 281159 is a young, massive star located in the Perseus OB2 stellar association, a nearby region of recent star formation in the constellation Perseus.
-
D.
HD 168454
HD 168454 is the Henry Draper Catalogue designation for Kaus Australis, the bright primary star in the constellation Sagittarius.
-
E.
HD 23180
HD 23180 is a hot, massive early-type star located in the Perseus constellation and is notable as a prominent member of the Perseus OB2 stellar association.
- 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: HD 106490 Target entity description: HD 106490 is a bright blue-white giant star in the constellation Crux, commonly known as Delta Crucis and forming part of the Southern Cross asterism.
-
A.
HD 108248
HD 108248 is the Henry Draper Catalogue designation for Alpha Crucis, the brightest star in the Southern Cross constellation.
-
B.
HD 215497
HD 215497 is a star located in the constellation Tucana, known to host at least one exoplanet.
-
C.
HD 281159
HD 281159 is a young, massive star located in the Perseus OB2 stellar association, a nearby region of recent star formation in the constellation Perseus.
-
D.
HD 168454
HD 168454 is the Henry Draper Catalogue designation for Kaus Australis, the bright primary star in the constellation Sagittarius.
-
E.
HD 23180
HD 23180 is a hot, massive early-type star located in the Perseus constellation and is notable as a prominent member of the Perseus OB2 stellar association.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Gamma Cassiopeiae variable
ⓘ
star ⓘ |
| absoluteMagnitudeV | −2.5 ⓘ |
| age | about 16 million years ⓘ |
| alsoKnownAs |
CD−59 4319
NERFINISHED
ⓘ
CPD−59 4470 NERFINISHED ⓘ Delta Crucis NERFINISHED ⓘ HIP 59747 NERFINISHED ⓘ HR 4656 ⓘ δ Crucis NERFINISHED ⓘ |
| apparentMagnitudeV | 2.79 ⓘ |
| asterism | Southern Cross NERFINISHED ⓘ |
| bayerDesignation | Delta Crucis NERFINISHED ⓘ |
| catalog |
Bright Star Catalogue
NERFINISHED
ⓘ
Henry Draper Catalogue NERFINISHED ⓘ Hipparcos Catalogue NERFINISHED ⓘ |
| color | blue-white ⓘ |
| constellation | Crux NERFINISHED ⓘ |
| declination | −58° 44′ 56″ ⓘ |
| distance |
about 110 parsecs
ⓘ
about 350 light-years ⓘ |
| effectiveTemperature | about 22,000 K ⓘ |
| epoch | J2000.0 ⓘ |
| flamsteedDesignation | not applicable ⓘ |
| formsAsterismWith |
Alpha Crucis
NERFINISHED
ⓘ
Beta Crucis NERFINISHED ⓘ Epsilon Crucis NERFINISHED ⓘ Gamma Crucis NERFINISHED ⓘ |
| galacticLatitude | −1.96° ⓘ |
| galacticLongitude | 300.13° ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasProperMotionDec | −12 mas/yr ⓘ |
| hasProperMotionRA | −36 mas/yr ⓘ |
| isBrightStar | true ⓘ |
| isNakedEyeVisible | true ⓘ |
| luminosity | about 10,000 times solar luminosity ⓘ |
| mass | about 8 solar masses ⓘ |
| parallax | 9.25 mas ⓘ |
| partOf | Southern Cross NERFINISHED ⓘ |
| radius | about 8 solar radii ⓘ |
| rightAscension | 12h 15m 08.7s ⓘ |
| rotationalVelocity | about 210 km/s ⓘ |
| spectralType | B2 IV ⓘ |
| variableType | Gamma Cassiopeiae-type ⓘ |
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: HD 106490 Description of subject: HD 106490 is a bright blue-white giant star in the constellation Crux, commonly known as Delta Crucis and forming part of the Southern Cross asterism.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.