SIR-B
E804923
SIR-B is a spaceborne synthetic aperture radar instrument flown on NASA's Space Shuttle to conduct Earth observation and remote sensing experiments.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SIR-B canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9538021 — 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: SIR-B Context triple: [Shuttle Imaging Radar-B, alternateName, SIR-B]
-
A.
SiR
SiR is an American R&B singer, songwriter, and producer known for his smooth, soulful sound and work with Top Dawg Entertainment.
-
B.
SIR
SIR is the IATA airport code for Sion Airport, a regional airport serving the town of Sion in the Swiss canton of Valais.
-
C.
S-IC
S-IC was the massive first stage of the Saturn V rocket, powered by five F-1 engines to lift Apollo missions off the launch pad and through the lower atmosphere.
-
D.
S-IB
S-IB was the first stage of NASA’s Saturn IB launch vehicle, a clustered-engine booster used in the Apollo program for Earth-orbital missions and testing.
-
E.
IRS-1B
IRS-1B is an Indian remote sensing satellite in the IRS series used primarily for Earth observation and resource monitoring.
- 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: SIR-B Target entity description: SIR-B is a spaceborne synthetic aperture radar instrument flown on NASA's Space Shuttle to conduct Earth observation and remote sensing experiments.
-
A.
SiR
SiR is an American R&B singer, songwriter, and producer known for his smooth, soulful sound and work with Top Dawg Entertainment.
-
B.
SIR
SIR is the IATA airport code for Sion Airport, a regional airport serving the town of Sion in the Swiss canton of Valais.
-
C.
S-IC
S-IC was the massive first stage of the Saturn V rocket, powered by five F-1 engines to lift Apollo missions off the launch pad and through the lower atmosphere.
-
D.
S-IB
S-IB was the first stage of NASA’s Saturn IB launch vehicle, a clustered-engine booster used in the Apollo program for Earth-orbital missions and testing.
-
E.
IRS-1B
IRS-1B is an Indian remote sensing satellite in the IRS series used primarily for Earth observation and resource monitoring.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Earth observation instrument
ⓘ
Space Shuttle payload ⓘ spaceborne synthetic aperture radar instrument ⓘ |
| abbreviationOf | Shuttle Imaging Radar-B ⓘ |
| capability |
all-weather imaging
ⓘ
day-and-night imaging ⓘ soil moisture sensitivity ⓘ surface roughness measurement ⓘ topographic mapping support ⓘ vegetation structure sensing ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| dataType | radar backscatter imagery ⓘ |
| developedBy |
NASA Jet Propulsion Laboratory
ⓘ
linked to:
Jet Propulsion Laboratory
|
| electromagneticBand | L-band ⓘ |
| follows | SIR-A ⓘ |
| frequency | approximately 1.275 GHz ⓘ |
| fullName | Shuttle Imaging Radar-B ⓘ |
| hostSpacecraft |
Space Shuttle orbiter Challenger
ⓘ
linked to:
Space Shuttle Challenger
|
| imagingMode |
side-looking radar
ⓘ
variable incidence angle ⓘ |
| launchAgency | NASA ⓘ |
| launchDate | 1984-10-05 ⓘ |
| launchedOnMission |
STS-41G
ⓘ
linked to:
STS-41-G
|
| launchVehicle | Space Shuttle ⓘ |
| missionDuration | about 8 days ⓘ |
| missionEndDate | 1984-10-13 ⓘ |
| missionType | Space Shuttle Spacelab/experimental payload ⓘ |
| observes |
Earth surface
ⓘ
agricultural areas ⓘ coastal zones ⓘ forested areas ⓘ geologic structures ⓘ hydrologic features ⓘ land surfaces ⓘ |
| operator | NASA ⓘ |
| orbitType | low Earth orbit (via Shuttle) ⓘ |
| partOf |
Spaceborne Imaging Radar program
ⓘ
linked to:
Shuttle Imaging Radar-B
|
| platform | Space Shuttle Challenger ⓘ |
| precedes |
SIR-C
ⓘ
linked to:
Shuttle Imaging Radar-B
|
| primaryPurpose |
Earth observation
ⓘ
remote sensing experiments ⓘ |
| successorMission |
SIR-C/X-SAR
ⓘ
linked to:
Shuttle Imaging Radar-B
|
| usedFor |
agricultural monitoring
ⓘ
environmental monitoring ⓘ geology studies ⓘ hydrology studies ⓘ land use and land cover mapping ⓘ oceanography studies ⓘ |
| usesTechnology | synthetic aperture radar ⓘ |
| wavelength | approximately 23.5 cm ⓘ |
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: SIR-B Description of subject: SIR-B is a spaceborne synthetic aperture radar instrument flown on NASA's Space Shuttle to conduct Earth observation and remote sensing experiments.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.