Caldwell 14
E459045
Caldwell 14 is an open star cluster in the constellation Perseus, forming part of the famous Double Cluster visible to the naked eye in dark skies.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Caldwell 14 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4617695 — 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: Caldwell 14 Context triple: [Double Cluster, catalogDesignation, Caldwell 14]
-
A.
Caldwell 49
Caldwell 49 is a large, bright emission nebula and star-forming region in the constellation Monoceros, popularly known as the Rosette Nebula.
-
B.
Trumpler 14
Trumpler 14 is a very young, massive open star cluster in the Carina Nebula, notable for containing some of the most luminous and hottest known stars in the Milky Way.
-
C.
Jewel Box cluster
The Jewel Box cluster is a bright and colorful open star cluster in the constellation Crux, renowned for its striking mix of blue and red stars visible even in small telescopes.
-
D.
Messier 17
Messier 17, also known as the Omega or Swan Nebula, is a bright star-forming emission nebula located in the constellation Sagittarius.
-
E.
Messier 16
Messier 16, also known as the Eagle Nebula, is a young open star cluster embedded in a vast emission nebula famous for its towering star-forming gas and dust structures.
- 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: Caldwell 14 Target entity description: Caldwell 14 is an open star cluster in the constellation Perseus, forming part of the famous Double Cluster visible to the naked eye in dark skies.
-
A.
Caldwell 49
Caldwell 49 is a large, bright emission nebula and star-forming region in the constellation Monoceros, popularly known as the Rosette Nebula.
-
B.
Trumpler 14
Trumpler 14 is a very young, massive open star cluster in the Carina Nebula, notable for containing some of the most luminous and hottest known stars in the Milky Way.
-
C.
Jewel Box cluster
The Jewel Box cluster is a bright and colorful open star cluster in the constellation Crux, renowned for its striking mix of blue and red stars visible even in small telescopes.
-
D.
Messier 17
Messier 17, also known as the Omega or Swan Nebula, is a bright star-forming emission nebula located in the constellation Sagittarius.
-
E.
Messier 16
Messier 16, also known as the Eagle Nebula, is a young open star cluster embedded in a vast emission nebula famous for its towering star-forming gas and dust structures.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
deep-sky object
ⓘ
open star cluster ⓘ |
| age | about 13 million years ⓘ |
| alsoKnownAs |
NGC 869
NERFINISHED
ⓘ
h Persei NERFINISHED ⓘ |
| angularSize | 30 arcminutes ⓘ |
| apparentMagnitudeV | 5.3 ⓘ |
| appearsIn |
Caldwell catalogue of 109 objects
NERFINISHED
ⓘ
NGC catalogue NERFINISHED ⓘ |
| approximateStarCount | several hundred stars ⓘ |
| bestObservedWith |
binoculars
ⓘ
small telescope ⓘ |
| bestSeenInMonth | November ⓘ |
| canBeSeenFrom | mid-northern latitudes ⓘ |
| catalog |
Caldwell catalogue
NERFINISHED
ⓘ
New General Catalogue NERFINISHED ⓘ |
| catalogCode | C14 ⓘ |
| contains | many hot blue stars ⓘ |
| declination | +57° 09′ ⓘ |
| discoverer |
Hipparchus
NERFINISHED
ⓘ
possibly known since antiquity ⓘ |
| distanceFromEarth |
about 2300 parsecs
ⓘ
about 7500 light-years ⓘ |
| galacticLatitude | about -4 degrees ⓘ |
| galacticLongitude | about 135 degrees ⓘ |
| hasCompanionCluster |
Caldwell 13
NERFINISHED
ⓘ
NGC 884 NERFINISHED ⓘ |
| hemisphere | northern sky ⓘ |
| liesNear | Milky Way plane NERFINISHED ⓘ |
| locatedIn |
Milky Way
ⓘ
Perseus Arm of the Milky Way NERFINISHED ⓘ |
| locatedInConstellation | Perseus NERFINISHED ⓘ |
| notableFor |
being part of the Double Cluster
ⓘ
rich stellar population ⓘ |
| observedInWavelength |
infrared
ⓘ
optical ⓘ |
| observingDifficulty | easy ⓘ |
| partOf | Double Cluster NERFINISHED ⓘ |
| rightAscension | 02h 19m ⓘ |
| separationAngularDistance | about 30 arcminutes ⓘ |
| separationFrom |
Caldwell 13
NERFINISHED
ⓘ
NGC 884 NERFINISHED ⓘ |
| skyRegion | Perseus OB association region NERFINISHED ⓘ |
| spectralTypeDominant | B-type stars ⓘ |
| visibleFrom | Northern Hemisphere NERFINISHED ⓘ |
| visibleToNakedEye | yes ⓘ |
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: Caldwell 14 Description of subject: Caldwell 14 is an open star cluster in the constellation Perseus, forming part of the famous Double Cluster visible to the naked eye in dark skies.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.