Gamma Canis Majoris
E512743
Gamma Canis Majoris, also known as Muliphein, is a relatively faint blue-white star in the constellation Canis Major that forms part of the celestial "Great Dog" near the bright star Sirius.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Gamma Canis Majoris canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5259946 — 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: Gamma Canis Majoris Context triple: [Canis Major, contains, Gamma Canis Majoris]
-
A.
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.
-
B.
Beta Crucis
Beta Crucis, also known as Mimosa, is a bright blue giant star in the Southern Cross constellation and one of the most prominent navigational stars in the southern sky.
-
C.
Alpha Scuti
Alpha Scuti is a relatively bright giant star in the constellation Scutum, visible to the naked eye from Earth.
-
D.
Beta Scuti
Beta Scuti is a prominent giant star in the constellation Scutum, notable as one of its brightest members.
-
E.
Gamma Sagittarii
Gamma Sagittarii is a bright star in the constellation Sagittarius that forms part of the asterism known as the Teapot.
- 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: Gamma Canis Majoris Target entity description: Gamma Canis Majoris, also known as Muliphein, is a relatively faint blue-white star in the constellation Canis Major that forms part of the celestial "Great Dog" near the bright star Sirius.
-
A.
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.
-
B.
Beta Crucis
Beta Crucis, also known as Mimosa, is a bright blue giant star in the Southern Cross constellation and one of the most prominent navigational stars in the southern sky.
-
C.
Alpha Scuti
Alpha Scuti is a relatively bright giant star in the constellation Scutum, visible to the naked eye from Earth.
-
D.
Beta Scuti
Beta Scuti is a prominent giant star in the constellation Scutum, notable as one of its brightest members.
-
E.
Gamma Sagittarii
Gamma Sagittarii is a bright star in the constellation Sagittarius that forms part of the asterism known as the Teapot.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | star ⓘ |
| belongsToSpectralClass | B-type bright giant ⓘ |
| hasApparentMagnitudeV | 4.11 ⓘ |
| hasArabicNameOrigin | Muliphein NERFINISHED ⓘ |
| hasBayerDesignation | γ Canis Majoris NERFINISHED ⓘ |
| hasBDDesignation | BD−15 1739 NERFINISHED ⓘ |
| hasColor | blue-white ⓘ |
| hasConstellation | Canis Major NERFINISHED ⓘ |
| hasDeclination | −15° 45′ 22.4″ ⓘ |
| hasDistanceFromEarth |
approximately 1,600 light-years
ⓘ
approximately 500 parsecs ⓘ |
| hasEffectiveTemperature | about 12,000 K ⓘ |
| hasEpoch | J2000.0 ⓘ |
| hasEquinox | J2000.0 ⓘ |
| hasFlamsteedDesignation | 16 Canis Majoris NERFINISHED ⓘ |
| hasGalacticLatitude | −11.99° ⓘ |
| hasGalacticLongitude | 227.23° ⓘ |
| hasHDDesignation | HD 52918 NERFINISHED ⓘ |
| hasHIPDesignation | HIP 33977 NERFINISHED ⓘ |
| hasHRDesignation | HR 2618 NERFINISHED ⓘ |
| hasLuminosity | about 10,000 times solar luminosity ⓘ |
| hasMass | about 13 solar masses ⓘ |
| hasMetallicityFeH | approximately solar ⓘ |
| hasParallax | 2.01 mas ⓘ |
| hasProperMotionDec | +4.06 mas/yr ⓘ |
| hasProperMotionRA | −3.01 mas/yr ⓘ |
| hasProperName | Muliphein NERFINISHED ⓘ |
| hasRadialVelocity | +34 km/s ⓘ |
| hasRadius | about 13 solar radii ⓘ |
| hasRightAscension | 06h 22m 41.986s ⓘ |
| hasRotationalVelocity | 40 km/s ⓘ |
| hasSIMBADIdentifier | gam CMa NERFINISHED ⓘ |
| hasSpectralType | B8II ⓘ |
| hasSurfaceGravityLogg | 2.5 ⓘ |
| hasTraditionalName | Muliphein NERFINISHED ⓘ |
| hasVariabilityType | eclipsing binary candidate ⓘ |
| hasVariableApparentMagnitudeRangeV | 3.84–5.02 ⓘ |
| isBrightGiant | true ⓘ |
| isNear | Sirius NERFINISHED ⓘ |
| isPartOf | Milky Way NERFINISHED ⓘ |
| isPartOfAsterism | Great Dog NERFINISHED ⓘ |
| isRelativelyFaintComparedTo | Sirius NERFINISHED ⓘ |
| locatedInConstellation | Canis Major NERFINISHED ⓘ |
| visibleIn |
Southern Hemisphere
NERFINISHED
ⓘ
low northern latitudes ⓘ |
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: Gamma Canis Majoris Description of subject: Gamma Canis Majoris, also known as Muliphein, is a relatively faint blue-white star in the constellation Canis Major that forms part of the celestial "Great Dog" near the bright star Sirius.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.