HIP 16537
E679758
HIP 16537 is the nearby K-type main-sequence star Epsilon Eridani, known for hosting at least one exoplanet and being one of the closest Sun-like stars to Earth.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HIP 16537 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7658269 — 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: HIP 16537 Context triple: [Epsilon Eridani b, hostStarHIPDesignation, HIP 16537]
-
A.
HIP 17531
HIP 17531 is a star in the Pleiades open star cluster, more commonly known by its traditional name Taygeta.
-
B.
HIP 61173
HIP 61173 is the Hipparcos catalog designation for Gamma Crucis, a bright red giant star in the constellation Crux.
-
C.
HIP 17608
HIP 17608 is a star in the constellation Taurus, more commonly known as 23 Tauri, and is cataloged in the Hipparcos star catalog.
-
D.
HIP 26311
HIP 26311 is the Hipparcos catalog designation for Alnilam, the bright blue supergiant star forming the central point of Orion’s Belt.
-
E.
HIP 59747
HIP 59747 is the catalog designation for Delta Crucis, a bright blue-white giant star in the Southern Cross constellation.
- 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: HIP 16537 Target entity description: HIP 16537 is the nearby K-type main-sequence star Epsilon Eridani, known for hosting at least one exoplanet and being one of the closest Sun-like stars to Earth.
-
A.
HIP 17531
HIP 17531 is a star in the Pleiades open star cluster, more commonly known by its traditional name Taygeta.
-
B.
HIP 61173
HIP 61173 is the Hipparcos catalog designation for Gamma Crucis, a bright red giant star in the constellation Crux.
-
C.
HIP 17608
HIP 17608 is a star in the constellation Taurus, more commonly known as 23 Tauri, and is cataloged in the Hipparcos star catalog.
-
D.
HIP 26311
HIP 26311 is the Hipparcos catalog designation for Alnilam, the bright blue supergiant star forming the central point of Orion’s Belt.
-
E.
HIP 59747
HIP 59747 is the catalog designation for Delta Crucis, a bright blue-white giant star in the Southern Cross constellation.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
K-type star
ⓘ
exoplanet host star ⓘ main-sequence star ⓘ star ⓘ |
| age_Gyr | about 0.4 to 1.0 ⓘ |
| alsoKnownAs |
Epsilon Eridani
NERFINISHED
ⓘ
Gliese 144 NERFINISHED ⓘ HD 22049 NERFINISHED ⓘ HR 1084 NERFINISHED ⓘ ε Eridani NERFINISHED ⓘ |
| apparentMagnitudeV | 3.73 ⓘ |
| catalog |
Bright Star Catalogue
NERFINISHED
ⓘ
Gliese Catalogue of Nearby Stars NERFINISHED ⓘ Henry Draper Catalogue NERFINISHED ⓘ Hipparcos NERFINISHED ⓘ |
| chromosphericActivity | high ⓘ |
| colorIndexBminusV | 0.88 ⓘ |
| constellation | Eridanus NERFINISHED ⓘ |
| debrisDiskStructure |
inner asteroid-belt-like ring
ⓘ
outer Kuiper-belt-like ring ⓘ |
| declination | -09° 27′ 30″ (approx) ⓘ |
| distanceFromEarth_ly | about 10.5 ⓘ |
| distanceFromEarth_pc | about 3.2 ⓘ |
| effectiveTemperature_K | about 5100 ⓘ |
| equatorialCoordinatesEpoch | J2000 ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasDebrisDisk | true ⓘ |
| hasPlanet | Epsilon Eridani b NERFINISHED ⓘ |
| hostOfRadialVelocityPlanet | Epsilon Eridani b NERFINISHED ⓘ |
| luminosity_solarLuminosity | about 0.34 ⓘ |
| magneticActivityCycle | solar-like ⓘ |
| mass_solarMass | about 0.82 ⓘ |
| metallicity_FeH | sub-solar ⓘ |
| nearestSunLikeStars | one of the closest ⓘ |
| parallax_mas | about 310 ⓘ |
| planetarySystem | Epsilon Eridani system NERFINISHED ⓘ |
| properMotion | high ⓘ |
| properMotionDec_masPerYr | about 20 ⓘ |
| properMotionRA_masPerYr | about -975 ⓘ |
| radialVelocity_kmPerSec | about 16.4 ⓘ |
| radius_solarRadius | about 0.74 ⓘ |
| rightAscension | 03h 32m 55s (approx) ⓘ |
| rotationPeriod_days | about 11.2 ⓘ |
| solarAnalog | nearby Sun-like star ⓘ |
| spectralType | K2V ⓘ |
| variabilityType | BY Draconis-type candidate ⓘ |
| visibleToNakedEye | yes ⓘ |
| XrayEmission | strong ⓘ |
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: HIP 16537 Description of subject: HIP 16537 is the nearby K-type main-sequence star Epsilon Eridani, known for hosting at least one exoplanet and being one of the closest Sun-like stars to Earth.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.