Triangulum
E500404
Triangulum is a small northern constellation best known for containing the Triangulum Galaxy (M33), one of the closest spiral galaxies to the Milky Way.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Triangulum canonical | 3 |
| Triangulum constellation | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5175915 — 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: Triangulum Context triple: [NGC 604, constellation, Triangulum]
-
A.
Grus
Grus is a southern sky constellation representing a crane, notable for its bright stars and visibility from the Southern Hemisphere.
-
B.
Reticulum
Reticulum is a small, faint southern constellation named after a reticle or net, located near the Large Magellanic Cloud.
-
C.
Scuti
Scuti is the Latin genitive form of Scutum, used in astronomy to denote stars belonging to the constellation Scutum.
-
D.
Telescopium
Telescopium is a small, faint southern constellation introduced in the 18th century and named after the telescope.
-
E.
Cygnus
Cygnus is a genus of large waterfowl commonly known as swans, recognized for their long necks, graceful appearance, and association with lakes and rivers across the Northern Hemisphere.
- 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: Triangulum Target entity description: Triangulum is a small northern constellation best known for containing the Triangulum Galaxy (M33), one of the closest spiral galaxies to the Milky Way.
-
A.
Grus
Grus is a southern sky constellation representing a crane, notable for its bright stars and visibility from the Southern Hemisphere.
-
B.
Reticulum
Reticulum is a small, faint southern constellation named after a reticle or net, located near the Large Magellanic Cloud.
-
C.
Scuti
Scuti is the Latin genitive form of Scutum, used in astronomy to denote stars belonging to the constellation Scutum.
-
D.
Telescopium
Telescopium is a small, faint southern constellation introduced in the 18th century and named after the telescope.
-
E.
Cygnus
Cygnus is a genus of large waterfowl commonly known as swans, recognized for their long necks, graceful appearance, and association with lakes and rivers across the Northern Hemisphere.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical constellation
ⓘ
constellation ⓘ |
| appearsIn | Almagest NERFINISHED ⓘ |
| belongsTo | Perseus family of constellations NERFINISHED ⓘ |
| bestSeenInMonth | November ⓘ |
| borderedBy |
Andromeda
NERFINISHED
ⓘ
Aries NERFINISHED ⓘ Pisces NERFINISHED ⓘ |
| contains |
M33
NERFINISHED
ⓘ
NGC 598 NERFINISHED ⓘ Triangulum Galaxy NERFINISHED ⓘ several bright stars forming a triangle ⓘ spiral galaxy M33 NERFINISHED ⓘ |
| containsBrightStar |
Alpha Trianguli
NERFINISHED
ⓘ
Beta Trianguli NERFINISHED ⓘ Gamma Trianguli NERFINISHED ⓘ |
| containsDeepSkyObject |
IC 1727
NERFINISHED
ⓘ
NGC 595 NERFINISHED ⓘ NGC 604 NERFINISHED ⓘ NGC 672 NERFINISHED ⓘ |
| declinationRange | about +25 degrees to +37 degrees ⓘ |
| definedBy | International Astronomical Union NERFINISHED ⓘ |
| hasAbbreviation | Tri NERFINISHED ⓘ |
| hasArea | 132 square degrees ⓘ |
| hasBayerStars | about 10 ⓘ |
| hasCulturalOrigin | ancient Greek astronomy ⓘ |
| hasGenitiveForm | Trianguli NERFINISHED ⓘ |
| hasIAUConstellationCode | Tri ⓘ |
| hasLatinName | Triangulum NERFINISHED ⓘ |
| hasMainStars | 3 ⓘ |
| hasMeaningInLatin | the Triangle ⓘ |
| hasMeteorShower | Piscids and Triangulids (weak shower) ⓘ |
| hasShape | narrow triangle ⓘ |
| isBestKnownFor | containing the Triangulum Galaxy M33 ⓘ |
| isNeighborOf |
Andromeda constellation
NERFINISHED
ⓘ
Aries constellation NERFINISHED ⓘ Pisces constellation NERFINISHED ⓘ |
| isOneOf | 88 modern constellations ⓘ |
| locatedIn | northern celestial hemisphere ⓘ |
| rankByArea | 78 ⓘ |
| rightAscensionRange | about 1 hour ⓘ |
| visibleBetweenLatitudes | +90 to −50 ⓘ |
| visibleFrom |
Northern Hemisphere
NERFINISHED
ⓘ
parts of Southern Hemisphere ⓘ |
| visibleIn | northern sky ⓘ |
| wasCatalogedBy | Ptolemy NERFINISHED ⓘ |
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: Triangulum Description of subject: Triangulum is a small northern constellation best known for containing the Triangulum Galaxy (M33), one of the closest spiral galaxies to the Milky Way.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Triangulum constellation