Serpens
E576478
Serpens is a unique constellation in the northern sky notable for being visually split into two separate parts, Serpens Caput and Serpens Cauda, divided by the constellation Ophiuchus.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Serpens canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6175384 — 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: Serpens Context triple: [Ursa Major family, hasMember, Serpens]
-
A.
Serpens Caput
Serpens Caput is the western half of the constellation Serpens, representing the serpent’s head in the northern sky.
-
B.
Serpens Cauda
Serpens Cauda is the eastern "tail" section of the split constellation Serpens, a faint star pattern lying along the Milky Way in the northern sky.
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C.
Monoceros
Monoceros is a faint constellation of the celestial equator known for containing several notable nebulae and star-forming regions, located between Orion and Hydra.
-
D.
Scorpius
Scorpius is a prominent zodiac constellation in the southern sky, easily recognized by its curved "scorpion's tail" and bright red supergiant star Antares.
-
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: Serpens Target entity description: Serpens is a unique constellation in the northern sky notable for being visually split into two separate parts, Serpens Caput and Serpens Cauda, divided by the constellation Ophiuchus.
-
A.
Serpens Caput
Serpens Caput is the western half of the constellation Serpens, representing the serpent’s head in the northern sky.
-
B.
Serpens Cauda
Serpens Cauda is the eastern "tail" section of the split constellation Serpens, a faint star pattern lying along the Milky Way in the northern sky.
-
C.
Monoceros
Monoceros is a faint constellation of the celestial equator known for containing several notable nebulae and star-forming regions, located between Orion and Hydra.
-
D.
Scorpius
Scorpius is a prominent zodiac constellation in the southern sky, easily recognized by its curved "scorpion's tail" and bright red supergiant star Antares.
-
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 (51)
| Predicate | Object |
|---|---|
| instanceOf | constellation ⓘ |
| abbreviation | Ser ⓘ |
| areaSquareDegrees | 637 ⓘ |
| belongsToFamily | Hercules family of constellations NERFINISHED ⓘ |
| bestViewingMonth | July ⓘ |
| borderedBy |
Aquila
NERFINISHED
ⓘ
Corona Borealis NERFINISHED ⓘ Hercules NERFINISHED ⓘ Libra NERFINISHED ⓘ Ophiuchus NERFINISHED ⓘ Sagittarius NERFINISHED ⓘ Scutum NERFINISHED ⓘ Virgo NERFINISHED ⓘ |
| brightestStar | Unukalhai NERFINISHED ⓘ |
| containsAsterism |
Serpens Caput
NERFINISHED
ⓘ
Serpens Cauda NERFINISHED ⓘ |
| containsDeepSkyObject |
Barnard 72
NERFINISHED
ⓘ
Eagle Nebula NERFINISHED ⓘ Messier 16 NERFINISHED ⓘ Messier 5 NERFINISHED ⓘ Red Square Nebula NERFINISHED ⓘ Serpens Cloud NERFINISHED ⓘ Seyfert’s Sextet NERFINISHED ⓘ |
| containsStar |
Alpha Serpentis
NERFINISHED
ⓘ
Beta Serpentis NERFINISHED ⓘ Delta Serpentis NERFINISHED ⓘ Epsilon Serpentis NERFINISHED ⓘ Eta Serpentis NERFINISHED ⓘ Gamma Serpentis NERFINISHED ⓘ Mu Serpentis NERFINISHED ⓘ Nu Serpentis NERFINISHED ⓘ Theta Serpentis NERFINISHED ⓘ Unukalhai NERFINISHED ⓘ Xi Serpentis NERFINISHED ⓘ |
| declinationRange | approximately +25° to −15° ⓘ |
| genitiveForm | Serpentis ⓘ |
| hasIAUBoundaryDefinitionYear | 1930 ⓘ |
| hemisphere | Northern celestial hemisphere ⓘ |
| introducedBy | Ptolemy NERFINISHED ⓘ |
| isBayerDesignationOf | Alpha Serpentis NERFINISHED ⓘ |
| isDividedInto |
Serpens Caput
NERFINISHED
ⓘ
Serpens Cauda NERFINISHED ⓘ |
| isVisuallySplitBy | Ophiuchus NERFINISHED ⓘ |
| listedIn | Ptolemy’s 48 constellations ⓘ |
| meaningOfName | the Serpent NERFINISHED ⓘ |
| name | Serpens NERFINISHED ⓘ |
| partOfModernConstellationsList | IAU 88 constellations NERFINISHED ⓘ |
| rankByArea | 23 ⓘ |
| rightAscensionRange | approximately 15h to 18h ⓘ |
| visibleAtLatitudesBetween | +80° and −80° ⓘ |
| zodiacal | false ⓘ |
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: Serpens Description of subject: Serpens is a unique constellation in the northern sky notable for being visually split into two separate parts, Serpens Caput and Serpens Cauda, divided by the constellation Ophiuchus.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.