Praesepe
E137800
Praesepe is a bright open star cluster in the constellation Cancer, also known as the Beehive Cluster, visible to the naked eye as a hazy patch in the night sky.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Praesepe canonical | 4 |
| Beehive Cluster region (Praesepe vicinity) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1206472 — 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: Praesepe Context triple: [Beehive Cluster, alternativeName, Praesepe]
-
A.
Hyades
The Hyades are a sisterhood of nymphs in Greek mythology, best known for their association with rain and their representation as a prominent open star cluster in the constellation Taurus.
-
B.
Pleiades
The Pleiades are a famous open star cluster in the constellation Taurus, often known as the Seven Sisters in Greek mythology.
-
C.
Melotte 22
Melotte 22 is an open star cluster in the constellation Taurus, more commonly known as the Pleiades or Seven Sisters, famed for its bright, blue-hot stars and visibility to the naked eye.
-
D.
Monoceros
Monoceros is a faint constellation of the celestial equator known for containing several notable nebulae and star-forming regions, located between Orion and Hydra.
-
E.
Messier 45
Messier 45, commonly known as the Pleiades, is a prominent open star cluster in the constellation Taurus, easily visible to the naked eye and famous in many cultures worldwide.
- 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: Praesepe Target entity description: Praesepe is a bright open star cluster in the constellation Cancer, also known as the Beehive Cluster, visible to the naked eye as a hazy patch in the night sky.
-
A.
Hyades
The Hyades are a sisterhood of nymphs in Greek mythology, best known for their association with rain and their representation as a prominent open star cluster in the constellation Taurus.
-
B.
Pleiades
The Pleiades are a famous open star cluster in the constellation Taurus, often known as the Seven Sisters in Greek mythology.
-
C.
Melotte 22
Melotte 22 is an open star cluster in the constellation Taurus, more commonly known as the Pleiades or Seven Sisters, famed for its bright, blue-hot stars and visibility to the naked eye.
-
D.
Monoceros
Monoceros is a faint constellation of the celestial equator known for containing several notable nebulae and star-forming regions, located between Orion and Hydra.
-
E.
Messier 45
Messier 45, commonly known as the Pleiades, is a prominent open star cluster in the constellation Taurus, easily visible to the naked eye and famous in many cultures worldwide.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Messier object
ⓘ
NGC object ⓘ deep-sky object ⓘ open star cluster ⓘ |
| age | about 600 million years ⓘ |
| angularSize | 95 arcminutes ⓘ |
| apparentMagnitudeV | 3.7 ⓘ |
| appearsAs | hazy patch in the night sky ⓘ |
| associatedWithZodiacConstellation | Cancer ⓘ |
| bestSeenFromHemisphere | Northern Hemisphere ⓘ |
| bestViewingMonths |
April
ⓘ
February ⓘ March ⓘ |
| cataloguedBy | Charles Messier ⓘ |
| containsNumberOfStars | several hundred ⓘ |
| containsStarType |
main-sequence stars
ⓘ
red giants ⓘ white dwarfs ⓘ |
| coreRadius | about 3.5 light-years ⓘ |
| declination | +19° 40′ ⓘ |
| discoveredBy | ancient astronomers ⓘ |
| distanceFromEarth |
about 177 parsecs
ⓘ
about 577 light-years ⓘ |
| galacticLatitude | +32° ⓘ |
| galacticLongitude | 205° ⓘ |
| hasAlternativeName |
Beehive Cluster
ⓘ
Cr 189 ⓘ M44 ⓘ Melotte 88 ⓘ Messier 44 ⓘ NGC 2632 ⓘ |
| hasColorIndex | overall yellowish-white glow ⓘ |
| hasCulturalSignificance | used as a weather omen in ancient times ⓘ |
| isOneOf | nearest open clusters to the Solar System ⓘ |
| knownSince | antiquity ⓘ |
| locatedIn |
Milky Way
ⓘ
Orion Arm ⓘ |
| locatedInConstellation | Cancer ⓘ |
| messierNumber | 44 ⓘ |
| metallicity | slightly above solar ⓘ |
| ngcNumber | 2632 ⓘ |
| observedWith |
binoculars
ⓘ
small telescopes ⓘ |
| rightAscension | 08h 40m ⓘ |
| similarTo | Hyades ⓘ |
| tidalRadius | about 39 light-years ⓘ |
| 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: Praesepe Description of subject: Praesepe is a bright open star cluster in the constellation Cancer, also known as the Beehive Cluster, visible to the naked eye as a hazy patch in the night sky.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Beehive Cluster
this entity surface form:
Beehive Cluster region (Praesepe vicinity)