Beta Canis Minoris
E579669
Beta Canis Minoris, traditionally named Gomeisa, is the second-brightest star in the constellation Canis Minor and a hot, blue-white main-sequence star visible to the naked eye.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Beta Canis Minoris canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6174972 — 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: Beta Canis Minoris Context triple: [Gomeisa, bayerDesignation, Beta Canis Minoris]
-
A.
Alpha Canis Minoris
Alpha Canis Minoris is the brightest star in the constellation Canis Minor, commonly known as Procyon, and is one of the closest bright stars to Earth.
-
B.
Eta Canis Majoris
Eta Canis Majoris, also known as Aludra, is a luminous blue supergiant star in the constellation Canis Major and one of its brightest members.
-
C.
Beta Canis Majoris
Beta Canis Majoris is a bright blue-white giant star in the constellation Canis Major, notable as one of its most luminous and prominent members.
-
D.
Tau Canis Majoris
Tau Canis Majoris is a very luminous, massive blue-white multiple star system located in the constellation Canis Major and is one of the brightest members of the open cluster NGC 2362.
-
E.
Beta Tucanae
Beta Tucanae is a multiple star system in the southern constellation Tucana, visible to the naked eye and notable for its bright, closely spaced stellar components.
- 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: Beta Canis Minoris Target entity description: Beta Canis Minoris, traditionally named Gomeisa, is the second-brightest star in the constellation Canis Minor and a hot, blue-white main-sequence star visible to the naked eye.
-
A.
Alpha Canis Minoris
Alpha Canis Minoris is the brightest star in the constellation Canis Minor, commonly known as Procyon, and is one of the closest bright stars to Earth.
-
B.
Eta Canis Majoris
Eta Canis Majoris, also known as Aludra, is a luminous blue supergiant star in the constellation Canis Major and one of its brightest members.
-
C.
Beta Canis Majoris
Beta Canis Majoris is a bright blue-white giant star in the constellation Canis Major, notable as one of its most luminous and prominent members.
-
D.
Tau Canis Majoris
Tau Canis Majoris is a very luminous, massive blue-white multiple star system located in the constellation Canis Major and is one of the brightest members of the open cluster NGC 2362.
-
E.
Beta Tucanae
Beta Tucanae is a multiple star system in the southern constellation Tucana, visible to the naked eye and notable for its bright, closely spaced stellar components.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
main-sequence star
ⓘ
star ⓘ |
| hasADSDesignation | ADS 6355 NERFINISHED ⓘ |
| hasAge | approximately 160 million years ⓘ |
| hasApparentMagnitudeRange | 2.84–2.92 ⓘ |
| hasApparentMagnitudeV | 2.89 ⓘ |
| hasBDDesignation | +08 1732 ⓘ |
| hasColorIndexBMinusV | -0.22 ⓘ |
| hasColorIndexUMinusB | -0.86 ⓘ |
| hasConstellationAbbreviation | CMi ⓘ |
| hasDeclination | +08° 17′ 21″ ⓘ |
| hasDistanceFromEarth |
approximately 110 parsecs
ⓘ
approximately 358 light-years ⓘ |
| hasEffectiveTemperature | approximately 11,500 K ⓘ |
| hasEmissionLines | hydrogen Balmer lines ⓘ |
| hasEpoch | J2000.0 ⓘ |
| hasEquinox | J2000.0 ⓘ |
| hasFlamsteedDesignation | 3 Canis Minoris NERFINISHED ⓘ |
| hasGalacticLatitude | +06.35° ⓘ |
| hasGalacticLongitude | 214.51° ⓘ |
| hasHDDesignation | HD 58715 NERFINISHED ⓘ |
| hasHIPDesignation | HIP 36188 NERFINISHED ⓘ |
| hasHRDesignation | HR 2845 NERFINISHED ⓘ |
| hasLuminosity | approximately 250 times solar luminosity ⓘ |
| hasMass | approximately 3.5 solar masses ⓘ |
| hasMetallicityFeH | approximately 0.0 ⓘ |
| hasParallax | 9.11 mas ⓘ |
| hasPhotometricSystem | Johnson V ⓘ |
| hasProperMotionInDec | -10.40 mas/yr ⓘ |
| hasProperMotionInRA | -24.77 mas/yr ⓘ |
| hasRadialVelocity | +22 km/s ⓘ |
| hasRadius | approximately 3.5 solar radii ⓘ |
| hasRightAscension | 07h 27m 09.0s ⓘ |
| hasRotationalVelocity | 210 km/s ⓘ |
| hasSAODesignation | SAO 115456 NERFINISHED ⓘ |
| hasSpectralType | B8Ve ⓘ |
| hasSurfaceGravityLogG | approximately 3.9 ⓘ |
| hasTraditionalName | Gomeisa NERFINISHED ⓘ |
| hasVariableType | Gamma Cassiopeiae-type variable ⓘ |
| hasWDSDesignation | 07271+0817 ⓘ |
| isAliasOf | Beta Canis Minoris NERFINISHED ⓘ |
| isBeStar | true ⓘ |
| isHotBlueWhiteStar | true ⓘ |
| isPartOfAsterism | Canis Minor NERFINISHED ⓘ |
| isSecondBrightestStarIn | Canis Minor NERFINISHED ⓘ |
| isVisibleToNakedEye | true ⓘ |
| locatedInConstellation | Canis Minor 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: Beta Canis Minoris Description of subject: Beta Canis Minoris, traditionally named Gomeisa, is the second-brightest star in the constellation Canis Minor and a hot, blue-white main-sequence star visible to the naked eye.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Gomeisa