THEMIS instrument
E545042
The THEMIS instrument is a thermal imaging system aboard NASA's Mars Odyssey spacecraft used to map the Martian surface in visible and infrared wavelengths for geological and mineralogical studies.
All labels observed (2)
| Label | Occurrences |
|---|---|
| THEMIS | 12 |
| THEMIS instrument canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5774803 — 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: THEMIS instrument Context triple: [Hale crater, imagedBy, THEMIS instrument]
-
A.
Mars Climate Sounder
Mars Climate Sounder is a scientific instrument aboard NASA's Mars Reconnaissance Orbiter that measures the Martian atmosphere’s temperature, dust, and water vapor profiles to study the planet’s climate and weather.
-
B.
Mars Environmental Dynamics Analyzer
The Mars Environmental Dynamics Analyzer is a suite of weather instruments aboard NASA's Perseverance rover that measures atmospheric conditions and dust on the Martian surface.
-
C.
CRISM instrument
The CRISM instrument is a high-resolution imaging spectrometer aboard NASA's Mars Reconnaissance Orbiter designed to map the mineralogy of the Martian surface, particularly to detect signs of past water.
-
D.
Miniature Thermal Emission Spectrometer
The Miniature Thermal Emission Spectrometer is a compact infrared instrument used on NASA’s Mars Exploration Rovers to analyze the mineral composition and thermal properties of Martian rocks and soil.
-
E.
Mars Exospheric Neutral Composition Analyser
The Mars Exospheric Neutral Composition Analyser is a scientific instrument designed to study the composition and structure of Mars’ upper atmosphere and exosphere.
- 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: THEMIS instrument Target entity description: The THEMIS instrument is a thermal imaging system aboard NASA's Mars Odyssey spacecraft used to map the Martian surface in visible and infrared wavelengths for geological and mineralogical studies.
-
A.
Mars Climate Sounder
Mars Climate Sounder is a scientific instrument aboard NASA's Mars Reconnaissance Orbiter that measures the Martian atmosphere’s temperature, dust, and water vapor profiles to study the planet’s climate and weather.
-
B.
Mars Environmental Dynamics Analyzer
The Mars Environmental Dynamics Analyzer is a suite of weather instruments aboard NASA's Perseverance rover that measures atmospheric conditions and dust on the Martian surface.
-
C.
CRISM instrument
The CRISM instrument is a high-resolution imaging spectrometer aboard NASA's Mars Reconnaissance Orbiter designed to map the mineralogy of the Martian surface, particularly to detect signs of past water.
-
D.
Miniature Thermal Emission Spectrometer
The Miniature Thermal Emission Spectrometer is a compact infrared instrument used on NASA’s Mars Exploration Rovers to analyze the mineral composition and thermal properties of Martian rocks and soil.
-
E.
Mars Exospheric Neutral Composition Analyser
The Mars Exospheric Neutral Composition Analyser is a scientific instrument designed to study the composition and structure of Mars’ upper atmosphere and exosphere.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
imaging spectrometer
ⓘ
spacecraft instrument ⓘ thermal imaging system ⓘ |
| acronym |
THEMIS
ⓘ
linked to:
THEMIS instrument
|
| dataArchive | NASA Planetary Data System ⓘ |
| dataType |
multispectral images
ⓘ
thermal infrared images ⓘ visible light images ⓘ |
| developedBy | Arizona State University ⓘ |
| fullName | Thermal Emission Imaging System ⓘ |
| hostMissionAgency | NASA ⓘ |
| hostMissionProgram | Mars Exploration Program ⓘ |
| hostMissionType | Mars orbiter mission ⓘ |
| hostSpacecraftBuilder |
Lockheed Martin Astronautics
ⓘ
linked to:
Lockheed Martin Space
|
| hostSpacecraftOperator |
NASA Jet Propulsion Laboratory
ⓘ
linked to:
Jet Propulsion Laboratory
|
| launchDate | 2001-04-07 ⓘ |
| launchVehicle |
Delta II 7925
ⓘ
linked to:
Delta II
|
| missionRole |
global mapping of Martian surface composition
ⓘ
identification of rock and mineral types on Mars ⓘ support for landing site selection on Mars ⓘ |
| numberOfInfraredBands | 10 ⓘ |
| numberOfVisibleBands | 5 ⓘ |
| operatedBy |
NASA
ⓘ
NASA Jet Propulsion Laboratory ⓘ
linked to:
Jet Propulsion Laboratory
|
| operatedOn |
2001 Mars Odyssey
ⓘ
linked to:
Mars Odyssey mission
Mars Odyssey spacecraft ⓘ
linked to:
Mars Odyssey mission
|
| operationalStatus | operational for many years after Mars Odyssey arrival ⓘ |
| orbitsWith | Mars Odyssey polar orbit ⓘ |
| primaryPurpose |
geological studies of Mars
ⓘ
map Martian surface thermal properties ⓘ mineralogical mapping of Mars ⓘ |
| principalInvestigator | Philip R. Christensen ⓘ |
| scienceDiscipline |
planetary climatology
ⓘ
planetary geology ⓘ planetary mineralogy ⓘ |
| spacecraftArrivalAtMars | 2001-10-24 ⓘ |
| spatialResolutionInfrared | about 100 meters per pixel ⓘ |
| spatialResolutionVisible | about 18 meters per pixel ⓘ |
| spectralRangeInfrared | approximately 6–15 micrometers ⓘ |
| spectralRangeVisible | approximately 0.4–0.7 micrometers ⓘ |
| targetBody | Mars ⓘ |
| usedFor |
detecting thermophysical properties of Martian regolith
ⓘ
identifying potential water-related minerals ⓘ mapping surface temperature variations on Mars ⓘ monitoring Martian atmospheric dust and clouds ⓘ |
| wavelengthRange |
infrared
ⓘ
visible ⓘ |
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: THEMIS instrument Description of subject: The THEMIS instrument is a thermal imaging system aboard NASA's Mars Odyssey spacecraft used to map the Martian surface in visible and infrared wavelengths for geological and mineralogical studies.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Hale crater on Mars
linked to: THEMIS instrument
linked to: THEMIS instrument
linked to: THEMIS instrument
linked to: THEMIS instrument
linked to: THEMIS instrument
subject linked to:
Daedalia Planum region
linked to: THEMIS instrument
linked to: THEMIS instrument
linked to: THEMIS instrument
linked to: THEMIS instrument
subject linked to:
Syria Planum region
linked to: THEMIS instrument
linked to: THEMIS instrument
linked to: THEMIS instrument