Sigma 7
E574797
Sigma 7 was the callsign of the NASA Mercury spacecraft flown by astronaut Wally Schirra on the Mercury-Atlas 8 mission in 1962.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sigma 7 canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T6214608 — 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: Sigma 7 Context triple: [Mercury-Atlas 8, callsign, Sigma 7]
-
A.
Mitsubishi Diamondtron
Mitsubishi Diamondtron is a line of high-quality aperture grille CRT display tubes developed by Mitsubishi Electric as a rival to Sony's Trinitron technology.
-
B.
SX-64
The SX-64 is a portable, luggable version of the Commodore 64 home computer that features a built-in color monitor and floppy disk drive.
-
C.
SD-6
SD-6 is a fictional covert espionage organization featured in the television series "Alias," posing as a black-ops unit of the CIA while actually operating as part of a criminal network.
-
D.
T-68
The T-68 was an early generation light rail tram used on the Manchester Metrolink system in the UK before being superseded by newer models.
-
E.
Siemens SD-160
The Siemens SD-160 is a high-floor light rail vehicle widely used in North American transit systems, including Calgary’s CTrain, known for its modular design and reliable urban service.
- 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: Sigma 7 Target entity description: Sigma 7 was the callsign of the NASA Mercury spacecraft flown by astronaut Wally Schirra on the Mercury-Atlas 8 mission in 1962.
-
A.
Mitsubishi Diamondtron
Mitsubishi Diamondtron is a line of high-quality aperture grille CRT display tubes developed by Mitsubishi Electric as a rival to Sony's Trinitron technology.
-
B.
SX-64
The SX-64 is a portable, luggable version of the Commodore 64 home computer that features a built-in color monitor and floppy disk drive.
-
C.
SD-6
SD-6 is a fictional covert espionage organization featured in the television series "Alias," posing as a black-ops unit of the CIA while actually operating as part of a criminal network.
-
D.
T-68
The T-68 was an early generation light rail tram used on the Manchester Metrolink system in the UK before being superseded by newer models.
-
E.
Siemens SD-160
The Siemens SD-160 is a high-floor light rail vehicle widely used in North American transit systems, including Calgary’s CTrain, known for its modular design and reliable urban service.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
NASA Mercury spacecraft
ⓘ
crewed spacecraft ⓘ space mission callsign ⓘ |
| astronautFullName |
Walter M. Schirra Jr.
ⓘ
linked to:
Wally Schirra
|
| callsignOf |
Mercury-Atlas 8 spacecraft
ⓘ
linked to:
Mercury-Atlas 8
|
| commandPilot | Wally Schirra ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| crewNationality | American ⓘ |
| crewSize | 1 ⓘ |
| emphasis | fuel efficiency and precise control ⓘ |
| flownBy | Wally Schirra ⓘ |
| followedBy | Faith 7 ⓘ |
| landingDate | 1962-10-03 ⓘ |
| launchDate | 1962-10-03 ⓘ |
| launchedBy |
Atlas LV-3B launch vehicle
ⓘ
linked to:
Atlas launch vehicle
|
| launchSite |
Cape Canaveral Air Force Station Launch Complex 14
ⓘ
Cape Canaveral, Florida ⓘ
linked to:
Cape Canaveral
|
| launchVehicle | Mercury-Atlas 8 ⓘ |
| launchYear | 1962 ⓘ |
| missionDuration | 9 hours 13 minutes ⓘ |
| missionNumberInProgram | fifth crewed Mercury flight ⓘ |
| missionOutcome | success ⓘ |
| missionType | orbital spaceflight ⓘ |
| notableFeature | first Mercury mission focused primarily on engineering rather than pilot experiments ⓘ |
| operatedBy | NASA ⓘ |
| operatorAgency |
NASA Manned Spacecraft Center
ⓘ
linked to:
Johnson Space Center
|
| orbitalInclination | approximately 32.5 degrees ⓘ |
| orbitsCompleted | 6 ⓘ |
| partOfSeries |
Mercury spacecraft series
ⓘ
linked to:
Mercury spacecraft
|
| precededBy | Aurora 7 ⓘ |
| primaryObjective | engineering evaluation of spacecraft systems ⓘ |
| program |
Project Mercury
ⓘ
linked to:
Mercury program
|
| recoveredBy | USS Kearsarge (CV-33) ⓘ |
| reentryAndLanding | Atlantic Ocean splashdown ⓘ |
| spacecraftConfiguration | Mercury production spacecraft ⓘ |
| spacecraftOfMission | Mercury-Atlas 8 ⓘ |
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: Sigma 7 Description of subject: Sigma 7 was the callsign of the NASA Mercury spacecraft flown by astronaut Wally Schirra on the Mercury-Atlas 8 mission in 1962.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.