Mu Serpentis
E460847
Mu Serpentis is a relatively bright A-type main-sequence star located in the tail region of the constellation Serpens.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mu Serpentis canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4619195 — 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: Mu Serpentis Context triple: [Serpens Cauda, contains, Mu Serpentis]
-
A.
Eta Serpentis
Eta Serpentis is a bright K-type giant star located in the tail region of the constellation Serpens.
-
B.
Phi Sagittarii
Phi Sagittarii is a bright B-type giant star in the constellation Sagittarius, notable as one of the stars forming the asterism known as the Teapot.
-
C.
Epsilon Crucis
Epsilon Crucis is a bright star in the Southern Cross constellation, prominently featured on the Australian national flag.
-
D.
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.
-
E.
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.
- 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: Mu Serpentis Target entity description: Mu Serpentis is a relatively bright A-type main-sequence star located in the tail region of the constellation Serpens.
-
A.
Eta Serpentis
Eta Serpentis is a bright K-type giant star located in the tail region of the constellation Serpens.
-
B.
Phi Sagittarii
Phi Sagittarii is a bright B-type giant star in the constellation Sagittarius, notable as one of the stars forming the asterism known as the Teapot.
-
C.
Epsilon Crucis
Epsilon Crucis is a bright star in the Southern Cross constellation, prominently featured on the Australian national flag.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
A-type star
ⓘ
main-sequence star ⓘ star ⓘ |
| age | hundreds of millions of years (young to mid-age main-sequence) ⓘ |
| apparentMagnitudeV | approximately 3.54 ⓘ |
| belongsTo | Milky Way ⓘ |
| belongsToAsterism | tail of Serpens ⓘ |
| catalogDesignation |
HD 141003
ⓘ
HIP 77233 ⓘ HR 5867 ⓘ Mu Ser ⓘ μ Ser ⓘ |
| colorIndexBminusV | approximately 0.00 ⓘ |
| constellation | Serpens ⓘ |
| declination | approximately −03° 25′ ⓘ |
| distanceFromEarth |
approximately 170 light-years
ⓘ
approximately 52 parsecs ⓘ |
| effectiveTemperature | about 9500 K ⓘ |
| equatorialCoordinatesEpoch | J2000 ⓘ |
| galacticLatitude | near the Galactic plane ⓘ |
| galacticLongitude | in the direction of the Galactic center region ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasColor | white ⓘ |
| hasCompanion | no well-established close stellar companion ⓘ |
| locatedInArea | tail region of the constellation Serpens ⓘ |
| luminosity | about 40 times the luminosity of the Sun ⓘ |
| mass | about 2.5 times the mass of the Sun ⓘ |
| observedIn | optical band ⓘ |
| parallax | about 19 milliarcseconds ⓘ |
| radius | about 2.5 times the radius of the Sun ⓘ |
| rightAscension | approximately 15h 49m ⓘ |
| rotationalVelocity | high projected rotational velocity ⓘ |
| spectralClass | A0V ⓘ |
| variableStarStatus | not known as a prominent variable star ⓘ |
| visibleIn | naked eye ⓘ |
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: Mu Serpentis Description of subject: Mu Serpentis is a relatively bright A-type main-sequence star located in the tail region of the constellation Serpens.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.