Messier79
E540377
Messier 79 is a dense globular star cluster located in the constellation Lepus, composed of hundreds of thousands of ancient stars.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Messier 79 | 1 |
| Messier79 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5723715 — 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: Messier79 Context triple: [Lepus, containsDeepSkyObject, Messier79]
-
A.
Messier 75
Messier 75 is a densely concentrated globular star cluster located in the constellation Sagittarius, notable for its great distance from Earth and rich population of ancient stars.
-
B.
Messier 69
Messier 69 is a dense, metal-rich globular star cluster located in the constellation Sagittarius near the center of the Milky Way.
-
C.
Messier 62
Messier 62 is a bright, densely concentrated globular star cluster located in the constellation Ophiuchus, notable for its rich stellar population and asymmetrical appearance.
-
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 26
Messier 26 is an open star cluster located in the constellation Scutum, notable for its relatively compact grouping of stars and moderate brightness.
- 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: Messier79 Target entity description: Messier 79 is a dense globular star cluster located in the constellation Lepus, composed of hundreds of thousands of ancient stars.
-
A.
Messier 75
Messier 75 is a densely concentrated globular star cluster located in the constellation Sagittarius, notable for its great distance from Earth and rich population of ancient stars.
-
B.
Messier 69
Messier 69 is a dense, metal-rich globular star cluster located in the constellation Sagittarius near the center of the Milky Way.
-
C.
Messier 62
Messier 62 is a bright, densely concentrated globular star cluster located in the constellation Ophiuchus, notable for its rich stellar population and asymmetrical appearance.
-
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 26
Messier 26 is an open star cluster located in the constellation Scutum, notable for its relatively compact grouping of stars and moderate brightness.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | globular cluster ⓘ |
| age | about 11.7 billion years ⓘ |
| angularSize | 8.7 arcminutes ⓘ |
| apparentMagnitudeV | 7.7 ⓘ |
| belongsTo | outer halo globular cluster system ⓘ |
| bestViewingSeason | northern winter ⓘ |
| catalogCode |
M79
ⓘ
NGC 1904 ⓘ |
| contains | hundreds of thousands of stars ⓘ |
| coreConcentration | high ⓘ |
| declination | −24° 33′ ⓘ |
| discoveredBy | Pierre Méchain ⓘ |
| discoveredFor | Charles Messier’s catalog ⓘ |
| discoveredUsing | small refracting telescope ⓘ |
| discoveryDate | 1780 ⓘ |
| distanceFromEarth |
about 13,000 parsecs
ⓘ
about 42,000 light-years ⓘ |
| distanceFromGalacticCenter | about 60,000 light-years ⓘ |
| galacticLatitude | −27.7° ⓘ |
| galacticLongitude | 227.2° ⓘ |
| hasAbsoluteMagnitudeV | about −7.9 ⓘ |
| hasAlternativeName |
GCl 7
ⓘ
M 79 ⓘ NGC 1904 ⓘ |
| hasColorIndexBminusV | about 0.78 ⓘ |
| hasHalfLightRadius | about 3.5 parsecs ⓘ |
| hasRadialVelocity | about +205 km/s ⓘ |
| includedInCatalog |
Messier Catalogue
ⓘ
linked to:
Messier catalogue
New General Catalogue ⓘ |
| isComposedOf | ancient stars ⓘ |
| isLocatedInHemisphere | southern celestial hemisphere ⓘ |
| locatedIn |
Galactic halo
ⓘ
linked to:
Milky Way stellar halo
Milky Way ⓘ |
| locatedInConstellation | Lepus ⓘ |
| metallicityFeH | about −1.6 ⓘ |
| morphologicalType | class V globular cluster ⓘ |
| namedAfter | Charles Messier’s cataloging system ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
infrared wavelengths ⓘ optical wavelengths ⓘ |
| rightAscension | 05h 24m ⓘ |
| stellarPopulation | Population II stars ⓘ |
| visibility |
best seen with small telescopes
ⓘ
visible from Earth’s southern and mid-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: Messier79 Description of subject: Messier 79 is a dense globular star cluster located in the constellation Lepus, composed of hundreds of thousands of ancient stars.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Messier79