HO Librae
E922169
HO Librae is a red dwarf star in the constellation Libra that hosts the well-known exoplanetary system Gliese 581.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HO Librae canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11377040 — 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: HO Librae Context triple: [Gliese 581 star system, catalogIdentifier, HO Librae]
-
A.
Lambda Muscae
Lambda Muscae is a relatively faint main-sequence star located in the southern constellation Musca.
-
B.
Gamma Muscae
Gamma Muscae is a bright B-type giant star in the southern constellation Musca, visible to the naked eye and notable as one of the constellation’s primary stellar members.
-
C.
Rho Tucanae
Rho Tucanae is a star located in the southern constellation Tucana.
-
D.
η Herculis
η Herculis is a bright giant star in the constellation Hercules, visible to the naked eye and used as a reference point near the globular cluster M13.
-
E.
Delta Muscae
Delta Muscae is a binary star system in the southern constellation Musca, visible to the naked eye and notable as one of the brighter stars in that region of the sky.
- 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: HO Librae Target entity description: HO Librae is a red dwarf star in the constellation Libra that hosts the well-known exoplanetary system Gliese 581.
-
A.
Lambda Muscae
Lambda Muscae is a relatively faint main-sequence star located in the southern constellation Musca.
-
B.
Gamma Muscae
Gamma Muscae is a bright B-type giant star in the southern constellation Musca, visible to the naked eye and notable as one of the constellation’s primary stellar members.
-
C.
Rho Tucanae
Rho Tucanae is a star located in the southern constellation Tucana.
-
D.
η Herculis
η Herculis is a bright giant star in the constellation Hercules, visible to the naked eye and used as a reference point near the globular cluster M13.
-
E.
Delta Muscae
Delta Muscae is a binary star system in the southern constellation Musca, visible to the naked eye and notable as one of the brighter stars in that region of the sky.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
flare star
ⓘ
main-sequence star ⓘ red dwarf ⓘ star ⓘ |
| ageInGyr | 7 ⓘ |
| apparentMagnitudeV | 10.56 ⓘ |
| belongsToStellarPopulation | Galactic thin disk ⓘ |
| cataloguedIn |
Gliese Catalogue of Nearby Stars
NERFINISHED
ⓘ
Hipparcos Catalogue NERFINISHED ⓘ Luyten Half-Second Catalogue NERFINISHED ⓘ |
| declination | −07° 43′ 20″ ⓘ |
| discoveredBy | Wilhelm Gliese NERFINISHED ⓘ |
| distanceFromEarthLightYears | 20.3 ⓘ |
| distanceFromEarthParsecs | 6.23 ⓘ |
| effectiveTemperatureKelvin | 3480 ⓘ |
| hasAlternativeName |
BD−07 4003
NERFINISHED
ⓘ
GJ 581 NERFINISHED ⓘ Gliese 581 NERFINISHED ⓘ HIP 74995 NERFINISHED ⓘ LHS 394 NERFINISHED ⓘ NLTT 40680 NERFINISHED ⓘ |
| hasExoplanetarySystem | Gliese 581 planetary system NERFINISHED ⓘ |
| hasHabitableZone | yes ⓘ |
| hasProperMotion | high ⓘ |
| hasRadialVelocityPlanetDetections | true ⓘ |
| hasTransitDetections | false ⓘ |
| heliocentricRadialVelocityKmPerSecond | −9.4 ⓘ |
| hostsExoplanet |
Gliese 581b
NERFINISHED
ⓘ
Gliese 581c NERFINISHED ⓘ Gliese 581d NERFINISHED ⓘ Gliese 581e NERFINISHED ⓘ Gliese 581f NERFINISHED ⓘ Gliese 581g NERFINISHED ⓘ |
| isNearbyStar | true ⓘ |
| locatedIn | Solar neighborhood NERFINISHED ⓘ |
| locatedInConstellation | Libra NERFINISHED ⓘ |
| luminosityInSolarLuminosities | 0.013 ⓘ |
| massInSolarMasses | 0.31 ⓘ |
| metallicityFeH | −0.15 ⓘ |
| parallaxMilliarcseconds | 160.91 ⓘ |
| partOf | Milky Way NERFINISHED ⓘ |
| properMotionDecmasPerYear | −99 ⓘ |
| properMotionRAmasPerYear | −1220 ⓘ |
| radiusInSolarRadii | 0.29 ⓘ |
| rightAscension | 15h 19m 26.8s ⓘ |
| spectralType | M3V ⓘ |
| variableStarDesignation | HO Lib NERFINISHED ⓘ |
| variableStarType | flare star ⓘ |
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: HO Librae Description of subject: HO Librae is a red dwarf star in the constellation Libra that hosts the well-known exoplanetary system Gliese 581.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.