Caldwell 94
E753980
Caldwell 94 is a rich, compact open star cluster in the constellation Centaurus, popularly known as the Jewel Box for its strikingly colorful stars.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Caldwell 94 canonical | 2 |
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf | open star cluster ⓘ |
| age | approximately 14 million years ⓘ |
| alsoKnownAs |
C94
ⓘ
Jewel Box NERFINISHED ⓘ NGC 4755 NERFINISHED ⓘ |
| angularSize | 10 arcminutes ⓘ |
| apparentMagnitudeV | 4.2 ⓘ |
| appearsIn | Caldwell catalogue of deep-sky objects NERFINISHED ⓘ |
| bestObservedIn | small telescopes ⓘ |
| bestSeenFrom | Southern Hemisphere NERFINISHED ⓘ |
| catalog |
Caldwell catalogue
NERFINISHED
ⓘ
New General Catalogue NERFINISHED ⓘ |
| clusterType | young open cluster ⓘ |
| constellation | Centaurus NERFINISHED ⓘ |
| contains | bright red supergiant star DU Crucis (often associated visually) NERFINISHED ⓘ |
| declination | −60° 22′ ⓘ |
| discoveredBy | Nicolas-Louis de Lacaille NERFINISHED ⓘ |
| discoveryYear | 1751 ⓘ |
| distanceFromEarth |
approximately 2,000 parsecs
ⓘ
approximately 6,400 light-years ⓘ |
| galacticLatitude | low galactic latitude ⓘ |
| galacticPopulation | Population I NERFINISHED ⓘ |
| hasApproximateStarCount | about 100 stars visible in moderate telescopes ⓘ |
| hasColorContrast | strong red and blue star contrast ⓘ |
| hemisphereVisibility | primarily southern ⓘ |
| locatedIn | Milky Way ⓘ |
| locatedNear | Southern Cross region of the sky NERFINISHED ⓘ |
| notableFeature |
appears as a compact, rich cluster
ⓘ
contains many blue-white hot stars ⓘ contains many bright, colorful stars ⓘ contains prominent red supergiant stars ⓘ |
| observedWith |
amateur telescopes
ⓘ
binoculars ⓘ |
| observingSeason | autumn and winter in Southern Hemisphere ⓘ |
| partOf | Caldwell objects list compiled by Patrick Moore ⓘ |
| popularNameOrigin | named Jewel Box due to its gem-like star colors NERFINISHED ⓘ |
| rightAscension | 12h 53m ⓘ |
| skyLocationDescription | near the star Mimosa (Beta Crucis) in the sky ⓘ |
| spectralTypeDominant | B-type main-sequence stars ⓘ |
| stellarPopulation | massive, luminous stars ⓘ |
| visibleToNakedEye | yes, under dark skies as a faint patch ⓘ |
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 94 Description of subject: Caldwell 94 is a rich, compact open star cluster in the constellation Centaurus, popularly known as the Jewel Box for its strikingly colorful stars.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.