Eta Serpentis
E459140
Eta Serpentis is a bright K-type giant star located in the tail region of the constellation Serpens.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Eta Serpentis canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4619194 — 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: Eta Serpentis Context triple: [Serpens Cauda, contains, Eta Serpentis]
-
A.
Epsilon Crucis
Epsilon Crucis is a bright star in the Southern Cross constellation, prominently featured on the Australian national flag.
-
B.
Epsilon Sagittarii
Epsilon Sagittarii is a prominent binary star system in the constellation Sagittarius, notable as one of its most luminous and easily visible stars.
-
C.
Delta Capricorni
Delta Capricorni is a multiple star system in the constellation Capricornus, notable as its most luminous star and commonly known by the traditional name Deneb Algedi.
-
D.
Canopus
Canopus was an ancient Egyptian coastal city near modern-day Alexandria, known as a major religious center and sanctuary dedicated to the goddess Isis.
-
E.
Alpha Capricorni
Alpha Capricorni is a bright multiple star system in the constellation Capricornus, visible to the naked eye as a single star but actually composed of two widely separated components.
- 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: Eta Serpentis Target entity description: Eta Serpentis is a bright K-type giant star located in the tail region of the constellation Serpens.
-
A.
Epsilon Crucis
Epsilon Crucis is a bright star in the Southern Cross constellation, prominently featured on the Australian national flag.
-
B.
Epsilon Sagittarii
Epsilon Sagittarii is a prominent binary star system in the constellation Sagittarius, notable as one of its most luminous and easily visible stars.
-
C.
Delta Capricorni
Delta Capricorni is a multiple star system in the constellation Capricornus, notable as its most luminous star and commonly known by the traditional name Deneb Algedi.
-
D.
Canopus
Canopus was an ancient Egyptian coastal city near modern-day Alexandria, known as a major religious center and sanctuary dedicated to the goddess Isis.
-
E.
Alpha Capricorni
Alpha Capricorni is a bright multiple star system in the constellation Capricornus, visible to the naked eye as a single star but actually composed of two widely separated components.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
K-type star
ⓘ
giant star ⓘ star ⓘ |
| absoluteMagnitudeV | about 2.3 ⓘ |
| age_gyr | about 2.5 ⓘ |
| apparentMagnitudeV | 3.26 ⓘ |
| bayerDesignation | η Serpentis ⓘ |
| belongsToConstellationHalf | Serpens Cauda NERFINISHED ⓘ |
| catalog |
Bright Star Catalogue
NERFINISHED
ⓘ
Henry Draper Catalogue NERFINISHED ⓘ Hipparcos Catalogue NERFINISHED ⓘ |
| colorIndexBminusV | about +1.0 ⓘ |
| constellation | Serpens NERFINISHED ⓘ |
| declination | −02° (approx) ⓘ |
| distanceFromEarth_ly | about 60 ⓘ |
| distanceFromEarth_pc | about 18.5 ⓘ |
| effectiveTemperature_K | about 4900 ⓘ |
| energyGeneration | helium fusion in core ⓘ |
| equatorialCoordinateSystem | ICRS NERFINISHED ⓘ |
| evolutionaryStage |
core helium-burning star
ⓘ
red clump giant ⓘ |
| flamsteedDesignation | η Serpentis NERFINISHED ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasColor | orange ⓘ |
| hasExoplanet | false ⓘ |
| hdNumber | HD 165135 NERFINISHED ⓘ |
| hemisphere | celestial equator region ⓘ |
| hipparcosNumber | HIP 88567 NERFINISHED ⓘ |
| hrNumber | HR 6748 NERFINISHED ⓘ |
| locatedIn | tail region of the constellation Serpens ⓘ |
| luminosity_solar | about 10 ⓘ |
| mass_solar | about 1.6 ⓘ |
| metallicity_FeH | near solar ⓘ |
| multiplicity | single star ⓘ |
| parallax_mas | about 54 ⓘ |
| properMotionDec_masPerYr | about −88 ⓘ |
| properMotionRA_masPerYr | about +232 ⓘ |
| radialVelocity_kmPerSec | about −10 ⓘ |
| radius_solar | about 4.5 ⓘ |
| rightAscension | 18h 05m (approx) ⓘ |
| rotation | slow ⓘ |
| simbadIdentifier | eta+Ser NERFINISHED ⓘ |
| spectralClass | K0III ⓘ |
| surfaceGravity_logg | lower than Sun ⓘ |
| variableStar | false ⓘ |
| visibleFrom | most inhabited regions of Earth ⓘ |
| visibleToNakedEye | true ⓘ |
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: Eta Serpentis Description of subject: Eta Serpentis is a bright K-type giant star located in the tail region of the constellation Serpens.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.