BD+23 550
E482461
BD+23 550 is a star in the constellation Taurus, better known as Taygeta, one of the prominent members of the Pleiades star cluster.
All labels observed (1)
| Label | Occurrences |
|---|---|
| BD+23 550 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4959387 — 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: BD+23 550 Context triple: [Taygeta, otherDesignation, BD+23 550]
-
A.
BD+30 540
BD+30 540 is a young, massive star located in the Perseus OB2 stellar association, a nearby group of hot, luminous OB-type stars in the constellation Perseus.
-
B.
BD−34 12223
BD−34 12223 is a stellar catalog designation corresponding to Kaus Australis, the brightest star in the constellation Sagittarius.
-
C.
Baade N
Baade N is a small lunar impact crater that forms one of the satellite craters surrounding the larger Baade crater on the Moon’s surface.
-
D.
Baade D
Baade D is a small lunar impact crater that forms one of the satellite craters surrounding the larger Baade crater on the Moon’s surface.
-
E.
BD+
BD+ is an additional digital rights management and content protection system used on Blu-ray Discs to prevent unauthorized copying and tampering.
- 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: BD+23 550 Target entity description: BD+23 550 is a star in the constellation Taurus, better known as Taygeta, one of the prominent members of the Pleiades star cluster.
-
A.
BD+30 540
BD+30 540 is a young, massive star located in the Perseus OB2 stellar association, a nearby group of hot, luminous OB-type stars in the constellation Perseus.
-
B.
BD−34 12223
BD−34 12223 is a stellar catalog designation corresponding to Kaus Australis, the brightest star in the constellation Sagittarius.
-
C.
Baade N
Baade N is a small lunar impact crater that forms one of the satellite craters surrounding the larger Baade crater on the Moon’s surface.
-
D.
Baade D
Baade D is a small lunar impact crater that forms one of the satellite craters surrounding the larger Baade crater on the Moon’s surface.
-
E.
BD+
BD+ is an additional digital rights management and content protection system used on Blu-ray Discs to prevent unauthorized copying and tampering.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
main-sequence star
ⓘ
star ⓘ |
| age | about 100 million years ⓘ |
| alsoKnownAs |
19 Tauri
NERFINISHED
ⓘ
HD 23338 NERFINISHED ⓘ HIP 17531 NERFINISHED ⓘ HR 1149 NERFINISHED ⓘ Taygeta NERFINISHED ⓘ |
| apparentMagnitudeV | about 4.3 ⓘ |
| associatedWith | Pleiades reflection nebula NERFINISHED ⓘ |
| belongsTo |
Gould Belt region
NERFINISHED
ⓘ
Taygeta multiple star system NERFINISHED ⓘ |
| catalog |
Bonner Durchmusterung
NERFINISHED
ⓘ
Bright Star Catalogue NERFINISHED ⓘ Henry Draper Catalogue NERFINISHED ⓘ Hipparcos Catalogue NERFINISHED ⓘ |
| colorIndexB−V | about −0.09 ⓘ |
| componentOfMultipleSystem | primary component ⓘ |
| constellation | Taurus NERFINISHED ⓘ |
| declination | +24° ⓘ |
| distanceFromEarth |
about 135 parsecs
ⓘ
about 440 light-years ⓘ |
| effectiveTemperature | about 13,000 K ⓘ |
| equatorialCoordinateSystem | ICRS NERFINISHED ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasCulturalSignificance | one of the Seven Sisters in Greek mythology ⓘ |
| hasProperMotion | true ⓘ |
| isPartOf | Milky Way NERFINISHED ⓘ |
| locatedIn | Northern celestial hemisphere ⓘ |
| luminosity | about 600 times solar luminosity ⓘ |
| mass | about 4 solar masses ⓘ |
| memberOf |
Pleiades star cluster
NERFINISHED
ⓘ
open star cluster ⓘ |
| metallicity | near-solar ⓘ |
| namedAfter | Taygete from Greek mythology ⓘ |
| observedIn | optical wavelengths ⓘ |
| parallax | about 7.4 milliarcseconds ⓘ |
| properMotionMemberOf | Pleiades moving group NERFINISHED ⓘ |
| radialVelocity | about +5 km/s ⓘ |
| radius | about 4 solar radii ⓘ |
| rightAscension | about 03h 45m ⓘ |
| rotationalVelocity | high ⓘ |
| spectralType | B6IV ⓘ |
| variableStar | no well-established variability ⓘ |
| visibleToNakedEye | true ⓘ |
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: BD+23 550 Description of subject: BD+23 550 is a star in the constellation Taurus, better known as Taygeta, one of the prominent members of the Pleiades star cluster.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.