ESC-A
E290059
ESC-A is the cryogenic upper stage used on the Ariane 5 ECA launch vehicle, powered by a single HM7B engine to place payloads into orbit.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ESC-A canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2705920 — 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: ESC-A Context triple: [Ariane 5 ECA, upperStageType, ESC-A]
-
A.
ESC
ESC is the commonly used abbreviation for the European Social Charter, a Council of Europe treaty that safeguards social and economic human rights.
-
B.
ESC
ESC is the abbreviated name of the Energy Systems Committee, a group focused on issues related to energy systems.
-
C.
EAC
The EAC (East African Community) is a regional intergovernmental organization that promotes economic integration and cooperation among several East African countries.
-
D.
EAC
EAC is a major warm ocean current flowing southward along the east coast of Australia, influencing the region’s climate and marine ecosystems.
-
E.
EAS
EAS is the abbreviation commonly used for the Division of Engineering and Applied Science at the California Institute of Technology, encompassing its engineering and applied science research and academic programs.
- 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: ESC-A Target entity description: ESC-A is the cryogenic upper stage used on the Ariane 5 ECA launch vehicle, powered by a single HM7B engine to place payloads into orbit.
-
A.
ESC
ESC is the abbreviated name of the Energy Systems Committee, a group focused on issues related to energy systems.
-
B.
ESC
ESC is the commonly used abbreviation for the European Social Charter, a Council of Europe treaty that safeguards social and economic human rights.
-
C.
EAC
The EAC (East African Community) is a regional intergovernmental organization that promotes economic integration and cooperation among several East African countries.
-
D.
EAC
EAC is a major warm ocean current flowing southward along the east coast of Australia, influencing the region’s climate and marine ecosystems.
-
E.
EAS
EAS is the abbreviation commonly used for the Division of Engineering and Applied Science at the California Institute of Technology, encompassing its engineering and applied science research and academic programs.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Ariane 5 upper stage
ⓘ
cryogenic upper stage ⓘ rocket stage ⓘ |
| controlSystem | hydrazine reaction control system ⓘ |
| countryOfOrigin | France ⓘ |
| developedFor |
Ariane 5 program
ⓘ
linked to:
Ariane 5
|
| engineConfiguration | single HM7B engine ⓘ |
| engineCount | 1 ⓘ |
| engineManufacturer | Safran Aircraft Engines ⓘ |
| engineThrustClass | tens of kilonewtons ⓘ |
| fuel | liquid hydrogen ⓘ |
| guidanceType | inertial guidance ⓘ |
| introducedOnVehicleVariant | Ariane 5 ECA ⓘ |
| launchPad | ELA-3 ⓘ |
| launchServiceProvider | Arianespace ⓘ |
| launchSite | Guiana Space Centre ⓘ |
| launchVehicleConfiguration |
Ariane 5 ECA configuration
ⓘ
linked to:
Ariane 5 ECA
|
| launchVehicleFamily | Ariane 5 ⓘ |
| manufacturer |
Airbus Defence and Space
ⓘ
linked to:
Astrium
ArianeGroup ⓘ |
| missionPhase |
orbit circularization
ⓘ
post-core-stage ascent ⓘ |
| operator | Arianespace ⓘ |
| orbitTypesSupported |
GTO
ⓘ
HEO ⓘ LEO ⓘ |
| oxidizer | liquid oxygen ⓘ |
| partOf | Ariane 5 ECA ⓘ |
| poweredBy | HM7B ⓘ |
| primaryFunction |
geostationary transfer orbit insertion
ⓘ
insertion of payloads into orbit ⓘ |
| propellantCombination | liquid oxygen–liquid hydrogen ⓘ |
| propellantState | liquid ⓘ |
| propellantType | cryogenic ⓘ |
| propulsionCycle | expander cycle ⓘ |
| replaces | EPS upper stage on some Ariane 5 variants ⓘ |
| role | upper stage ⓘ |
| stageNumber | 3 ⓘ |
| status | operational ⓘ |
| successor | ESC-B ⓘ |
| typicalPayloads |
communications satellites
ⓘ
scientific spacecraft ⓘ |
| usedFor |
commercial satellite launches
ⓘ
government payload launches ⓘ |
| usedOnLaunchVehicle | Ariane 5 ECA ⓘ |
| usedWithBoosters | EAP solid rocket boosters ⓘ |
| usedWithCoreStage | EPC cryogenic core stage ⓘ |
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: ESC-A Description of subject: ESC-A is the cryogenic upper stage used on the Ariane 5 ECA launch vehicle, powered by a single HM7B engine to place payloads into orbit.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.