HD 48915
E712263
HD 48915 is the Henry Draper Catalogue designation for Sirius, the brightest star in the night sky located in the constellation Canis Major.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HD 48915 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8141128 — 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 48915 Context triple: [Sirius, hasHDDesignation, HD 48915]
-
A.
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.
-
B.
HD 215497
HD 215497 is a star located in the constellation Tucana, known to host at least one exoplanet.
-
C.
HD 106490
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.
-
D.
HD 108903
HD 108903 is the Henry Draper Catalogue designation for Gamma Crucis, a bright red giant star in the constellation Crux.
-
E.
HD 22049
HD 22049, better known as Epsilon Eridani, is a nearby young K-type main-sequence star notable for its prominent debris disk and at least one confirmed exoplanet.
- 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 48915 Target entity description: HD 48915 is the Henry Draper Catalogue designation for Sirius, the brightest star in the night sky located in the constellation Canis Major.
-
A.
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.
-
B.
HD 215497
HD 215497 is a star located in the constellation Tucana, known to host at least one exoplanet.
-
C.
HD 106490
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.
-
D.
HD 108903
HD 108903 is the Henry Draper Catalogue designation for Gamma Crucis, a bright red giant star in the constellation Crux.
-
E.
HD 22049
HD 22049, better known as Epsilon Eridani, is a nearby young K-type main-sequence star notable for its prominent debris disk and at least one confirmed exoplanet.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | star ⓘ |
| absoluteMagnitudeV | 1.43 ⓘ |
| age | about 200 million years ⓘ |
| alsoKnownAs |
Alpha Canis Majoris
NERFINISHED
ⓘ
Canicula NERFINISHED ⓘ Dog Star NERFINISHED ⓘ Sirius NERFINISHED ⓘ α Canis Majoris NERFINISHED ⓘ |
| apparentMagnitudeV | −1.46 ⓘ |
| belongsToAsterism | Winter Triangle NERFINISHED ⓘ |
| catalogDesignation |
BD−16 1591
NERFINISHED
ⓘ
Gliese 244 NERFINISHED ⓘ HD 48915 NERFINISHED ⓘ HIP 32349 NERFINISHED ⓘ HR 2491 NERFINISHED ⓘ |
| colorIndexB−V | 0.00 ⓘ |
| companionType | white dwarf ⓘ |
| declination | −16° 42′ 58.02″ ⓘ |
| distanceFromEarth | about 8.6 light-years ⓘ |
| distanceFromSun | about 2.64 parsecs ⓘ |
| effectiveTemperature | about 9940 K ⓘ |
| equatorialCoordinateSystem | ICRS NERFINISHED ⓘ |
| galacticLatitude | −8.89° ⓘ |
| galacticLongitude | 227.23° ⓘ |
| hasCompanion | Sirius B NERFINISHED ⓘ |
| hasCulturalSignificanceIn |
Greek astronomy
ⓘ
Polynesian navigation NERFINISHED ⓘ ancient Egyptian astronomy ⓘ |
| hemisphereVisibility | both hemispheres ⓘ |
| isBrightestStarIn |
constellation Canis Major
NERFINISHED
ⓘ
night sky ⓘ |
| isNearestATypeStarToSun | true ⓘ |
| isStandardStarFor | photometric calibration ⓘ |
| locatedInConstellation | Canis Major NERFINISHED ⓘ |
| luminosity | about 25 solar luminosities ⓘ |
| mass | about 2.0 solar masses ⓘ |
| metallicity[Fe/H] | about +0.4 ⓘ |
| orbitalPeriodWithCompanion | about 50.1 years ⓘ |
| parallax | 379.21 mas ⓘ |
| properMotionDec | −1223.08 mas/yr ⓘ |
| properMotionRA | −546.01 mas/yr ⓘ |
| radialVelocity | −5.5 km/s ⓘ |
| radius | about 1.7 solar radii ⓘ |
| rightAscension | 06h 45m 08.917s ⓘ |
| spectralType | A1V ⓘ |
| systemType | binary star system ⓘ |
| visibleFromLatitude | up to about 73° N ⓘ |
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 48915 Description of subject: HD 48915 is the Henry Draper Catalogue designation for Sirius, the brightest star in the night sky located in the constellation Canis Major.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.