Messier 10
E482187
Messier 10 is a bright globular star cluster located in the constellation Ophiuchus, notable for its dense concentration of ancient stars.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Messier 10 canonical | 3 |
| Messier 9 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4911775 — 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: Messier 10 Context triple: [Ophiuchus, containsDeepSkyObject, Messier 10]
-
A.
Messier 11
Messier 11 is a rich, compact open star cluster in the constellation Scutum, notable for its high stellar density and nickname "the Wild Duck Cluster."
-
B.
Messier 4
Messier 4 is a bright, nearby globular star cluster located in the constellation Scorpius and is one of the easiest globular clusters to observe with small telescopes.
-
C.
Messier 8
Messier 8, also known as the Lagoon Nebula, is a large, bright emission nebula and active star-forming region visible in the constellation Sagittarius.
-
D.
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.
-
E.
Messier 1
Messier 1, also known as the Crab Nebula, is a supernova remnant and pulsar wind nebula in the constellation Taurus, famous as the first object in Charles Messier’s catalog.
- 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: Messier 10 Target entity description: Messier 10 is a bright globular star cluster located in the constellation Ophiuchus, notable for its dense concentration of ancient stars.
-
A.
Messier 11
Messier 11 is a rich, compact open star cluster in the constellation Scutum, notable for its high stellar density and nickname "the Wild Duck Cluster."
-
B.
Messier 4
Messier 4 is a bright, nearby globular star cluster located in the constellation Scorpius and is one of the easiest globular clusters to observe with small telescopes.
-
C.
Messier 8
Messier 8, also known as the Lagoon Nebula, is a large, bright emission nebula and active star-forming region visible in the constellation Sagittarius.
-
D.
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.
-
E.
Messier 1
Messier 1, also known as the Crab Nebula, is a supernova remnant and pulsar wind nebula in the constellation Taurus, famous as the first object in Charles Messier’s catalog.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
Messier object
ⓘ
NGC object ⓘ deep-sky object ⓘ globular cluster ⓘ |
| age | ~11.5 billion years ⓘ |
| angularSize | ~20 arcminutes ⓘ |
| apparentMagnitudeV | ~4.4 ⓘ |
| bestSeenInMonth | June ⓘ |
| canBeSeenWith |
binoculars
ⓘ
small telescope ⓘ |
| cataloguedIn |
Messier Catalogue
ⓘ
linked to:
Messier catalogue
New General Catalogue ⓘ |
| contains |
horizontal branch stars
ⓘ
old, low-mass stars ⓘ red giant stars ⓘ variable stars ⓘ |
| coreConcentration | high ⓘ |
| declination | −04° 06′ ⓘ |
| discoveredBy | Charles Messier ⓘ |
| discoveryYear | 1764 ⓘ |
| distanceFromEarth |
~14,300 light-years
ⓘ
~4.4 kiloparsecs ⓘ |
| galacticLatitude | 23.08° ⓘ |
| galacticLongitude | 15.14° ⓘ |
| hasAlternativeName |
M 10
ⓘ
NGC6254 ⓘ
linked to:
NGC 6254
|
| hasColorIndexB−V | +0.99 (approximate) ⓘ |
| hasDesignation |
M10
ⓘ
NGC 6254 ⓘ |
| hasMorphologicalType | Class VII globular cluster ⓘ |
| hasRadialVelocity | ~75 km/s (receding) ⓘ |
| hasStellarPopulation | Population II ⓘ |
| isGravitationallyBoundSystem | true ⓘ |
| isNotableFor |
bright appearance among globular clusters in Ophiuchus
ⓘ
dense concentration of ancient stars ⓘ |
| locatedIn |
Galactic halo
ⓘ
Milky Way ⓘ |
| locatedInConstellation | Ophiuchus ⓘ |
| metallicity[Fe/H] | about −1.5 ⓘ |
| rightAscension | 16h 57m ⓘ |
| visibleFrom | Northern Hemisphere ⓘ |
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: Messier 10 Description of subject: Messier 10 is a bright globular star cluster located in the constellation Ophiuchus, notable for its dense concentration of ancient stars.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.