Messier 80
E478912
Messier 80 is a dense globular star cluster located in the constellation Scorpius, notable for its rich population of stars and high central concentration.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Messier 80 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4835397 — 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 80 Context triple: [Scorpius, containsDeepSkyObject, Messier 80]
-
A.
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.
-
B.
Messier 55
Messier 55 is a large, relatively loose globular star cluster located in the constellation Sagittarius, visible in small telescopes as a faint, diffuse ball of stars.
-
C.
Messier 110
Messier 110 is a dwarf elliptical satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
D.
Messier 70
Messier 70 is a dense globular star cluster located in the constellation Sagittarius near the center of the Milky Way galaxy.
-
E.
Messier 32
Messier 32 is a compact dwarf elliptical galaxy that is a satellite of the Andromeda Galaxy in the Local Group.
- 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 80 Target entity description: Messier 80 is a dense globular star cluster located in the constellation Scorpius, notable for its rich population of stars and high central concentration.
-
A.
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.
-
B.
Messier 55
Messier 55 is a large, relatively loose globular star cluster located in the constellation Sagittarius, visible in small telescopes as a faint, diffuse ball of stars.
-
C.
Messier 110
Messier 110 is a dwarf elliptical satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
D.
Messier 70
Messier 70 is a dense globular star cluster located in the constellation Sagittarius near the center of the Milky Way galaxy.
-
E.
Messier 32
Messier 32 is a compact dwarf elliptical galaxy that is a satellite of the Andromeda Galaxy in the Local Group.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Messier object
ⓘ
deep-sky object ⓘ globular star cluster ⓘ |
| absoluteMagnitudeV | about −8.2 ⓘ |
| age | about 12 billion years ⓘ |
| alsoKnownAs |
M80
ⓘ
NGC 6093 ⓘ |
| angularSize | 10.0 arcminutes ⓘ |
| apparentMagnitudeV | 7.3 ⓘ |
| appearsAs | compact fuzzy ball of light ⓘ |
| bestSeenIn |
medium telescopes
ⓘ
small telescopes ⓘ |
| catalogDesignation |
M80
ⓘ
NGC 6093 ⓘ |
| centralDensity | high ⓘ |
| contains |
RR Lyrae variables
ⓘ
blue straggler stars ⓘ horizontal branch stars ⓘ variable stars ⓘ |
| coreConcentration | high ⓘ |
| declination | −22° 58′ 30″ ⓘ |
| diameter | about 95 light-years ⓘ |
| discoveredBy | Charles Messier ⓘ |
| discoveryDate | 1781 ⓘ |
| distanceFromEarth |
approximately 10,000 parsecs
ⓘ
approximately 32,600 light-years ⓘ |
| galacticLatitude | +19.85° ⓘ |
| galacticLongitude | 352.67° ⓘ |
| hasCoreCollapse | likely core-collapsed or core-collapsing ⓘ |
| hostGalaxy | Milky Way ⓘ |
| locatedBetween |
Antares
ⓘ
Beta Scorpii ⓘ |
| locatedIn | Milky Way ⓘ |
| locatedInConstellation | Scorpius ⓘ |
| locatedInGalacticHalo | true ⓘ |
| memberOf | Milky Way globular cluster system ⓘ |
| metallicity | low ⓘ |
| metallicityFeH | about −1.75 ⓘ |
| notableFor |
rich population of blue stragglers
ⓘ
very high central star density ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
optical wavelengths ⓘ ultraviolet wavelengths ⓘ |
| partOf |
Messier catalogue
ⓘ
New General Catalogue ⓘ |
| rightAscension | 16h 17m 02s ⓘ |
| spectralTypeDominant | old, low-mass stars ⓘ |
| visibleFrom |
Southern Hemisphere
ⓘ
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: Messier 80 Description of subject: Messier 80 is a dense globular star cluster located in the constellation Scorpius, notable for its rich population of stars and high central concentration.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.