HD 245409
E918832
HD 245409 is a distant star system that was selected as one of the targets for the interstellar radio message known as Cosmic Call 2003.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HD 245409 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T11317419 — 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: HD 245409 Context triple: [Cosmic Call 2003, targetedStarSystem, HD 245409]
-
A.
HD 278942
HD 278942 is a massive, young, early-type star located in the Perseus constellation and associated with the Perseus OB2 stellar association.
-
B.
HD 24970
HD 24970 is a star located in the Perseus constellation and identified as a member of the Perseus OB2 stellar association.
-
C.
HD 22049
HD 22049, better known as Epsilon Eridani, is a nearby young K-type main-sequence star notable for its prominent debris disk and at least one confirmed exoplanet.
-
D.
HD 24398
HD 24398, also known as ζ Persei, is a bright blue supergiant star in the constellation Perseus and a prominent member of the Perseus OB2 stellar association.
-
E.
HD 24760
HD 24760 is a hot, massive early-type star in the constellation Perseus, notable as a member of the young Perseus OB2 stellar association.
- 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: HD 245409 Target entity description: HD 245409 is a distant star system that was selected as one of the targets for the interstellar radio message known as Cosmic Call 2003.
-
A.
HD 278942
HD 278942 is a massive, young, early-type star located in the Perseus constellation and associated with the Perseus OB2 stellar association.
-
B.
HD 24970
HD 24970 is a star located in the Perseus constellation and identified as a member of the Perseus OB2 stellar association.
-
C.
HD 22049
HD 22049, better known as Epsilon Eridani, is a nearby young K-type main-sequence star notable for its prominent debris disk and at least one confirmed exoplanet.
-
D.
HD 24398
HD 24398, also known as ζ Persei, is a bright blue supergiant star in the constellation Perseus and a prominent member of the Perseus OB2 stellar association.
-
E.
HD 24760
HD 24760 is a hot, massive early-type star in the constellation Perseus, notable as a member of the young Perseus OB2 stellar association.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
Cosmic Call 2003 target
ⓘ
star system ⓘ stellar object ⓘ |
| hasCatalogDesignation | HD 245409 ⓘ |
| hasCoordinateSystem | equatorial coordinates ⓘ |
| hasDiscoveryStatus | known star in stellar catalogues ⓘ |
| hasDistance | distant from Earth ⓘ |
| hasHumanInterest | potential recipient of interstellar message ⓘ |
| hasMediumOfMessage | radio waves ⓘ |
| hasMessageNameReceived |
Cosmic Call 2003
ⓘ
linked to:
Cosmic Call
|
| hasMessageTypeReceived | digital interstellar radio message ⓘ |
| hasObservationDomain |
optical astronomy
ⓘ
radio astronomy ⓘ |
| hasObservationMethod | radio communication targeting ⓘ |
| hasRole | target of interstellar radio message ⓘ |
| hasSenderOfMessage | Earth-based radio transmitter ⓘ |
| hasSignificance | target for Messaging to Extra-Terrestrial Intelligence ⓘ |
| hasType | star ⓘ |
| isA | distant star system ⓘ |
| isIn | Milky Way ⓘ |
| isListedIn | Henry Draper Catalogue ⓘ |
| isPartOf | our galaxy ⓘ |
| isSubjectOf | SETI-related discussions ⓘ |
| sentTo | HD 245409 ⓘ |
| wasTargetOf |
Cosmic Call 2003
ⓘ
linked to:
Cosmic Call
|
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: HD 245409 Description of subject: HD 245409 is a distant star system that was selected as one of the targets for the interstellar radio message known as Cosmic Call 2003.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Cosmic Call