NICER Neutron star Interior Composition Explorer
E79022
NICER (Neutron star Interior Composition Explorer) is an X-ray astronomy instrument mounted on the International Space Station that studies neutron stars to probe their ultra-dense interiors and extreme physics.
All labels observed (5)
| Label | Occurrences |
|---|---|
| NICER | 8 |
| Neutron star Interior Composition Explorer | 5 |
| NICER mission | 2 |
| NICER Neutron star Interior Composition Explorer canonical | 1 |
| NICER X-ray timing instrument | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T633387 — 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: NICER Neutron star Interior Composition Explorer Context triple: [NASA Astrophysics Division, overseesMission, NICER Neutron star Interior Composition Explorer]
-
A.
Kepler space telescope
The Kepler space telescope was a NASA space observatory designed to discover Earth-size exoplanets by continuously monitoring the brightness of over 150,000 stars.
-
B.
BepiColombo mission
The BepiColombo mission is a joint ESA–JAXA spacecraft mission designed to study the planet Mercury’s composition, magnetic field, and environment through dual orbiters.
-
C.
James Webb Space Telescope
The James Webb Space Telescope is a large, space-based observatory designed to study the universe in infrared light, revealing the formation of the first galaxies, stars, and planetary systems with unprecedented sensitivity and resolution.
-
D.
Near Infrared Imager and Slitless Spectrograph
The Near Infrared Imager and Slitless Spectrograph (NIRISS) is a James Webb Space Telescope instrument designed for high-sensitivity near-infrared imaging and spectroscopy, particularly suited for exoplanet characterization and studies of distant galaxies.
-
E.
NEOSSat
NEOSSat is a Canadian microsatellite designed to detect and track near-Earth asteroids and space debris from orbit.
- 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: NICER Neutron star Interior Composition Explorer Target entity description: NICER (Neutron star Interior Composition Explorer) is an X-ray astronomy instrument mounted on the International Space Station that studies neutron stars to probe their ultra-dense interiors and extreme physics.
-
A.
Kepler space telescope
The Kepler space telescope was a NASA space observatory designed to discover Earth-size exoplanets by continuously monitoring the brightness of over 150,000 stars.
-
B.
BepiColombo mission
The BepiColombo mission is a joint ESA–JAXA spacecraft mission designed to study the planet Mercury’s composition, magnetic field, and environment through dual orbiters.
-
C.
James Webb Space Telescope
The James Webb Space Telescope is a large, space-based observatory designed to study the universe in infrared light, revealing the formation of the first galaxies, stars, and planetary systems with unprecedented sensitivity and resolution.
-
D.
Near Infrared Imager and Slitless Spectrograph
The Near Infrared Imager and Slitless Spectrograph (NIRISS) is a James Webb Space Telescope instrument designed for high-sensitivity near-infrared imaging and spectroscopy, particularly suited for exoplanet characterization and studies of distant galaxies.
-
E.
NEOSSat
NEOSSat is a Canadian microsatellite designed to detect and track near-Earth asteroids and space debris from orbit.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
X-ray astronomy instrument
ⓘ
astrophysics observatory ⓘ space telescope ⓘ |
| abbreviation |
NICER Neutron star Interior Composition Explorer
self-link
ⓘ
surface form:
NICER
|
| demonstrates | X-ray pulsar-based navigation ⓘ |
| developedBy |
Goddard Space Flight Center
ⓘ
surface form:
NASA Goddard Space Flight Center
|
| developedInCollaborationWith |
Kavli Institute for Astrophysics and Space Research
ⓘ
surface form:
MIT Kavli Institute for Astrophysics and Space Research
universities and research institutions ⓘ |
| energyRange | 0.2–12 keV ⓘ |
| fieldOfView | approximately 6 arcminutes ⓘ |
| fullName |
NICER Neutron star Interior Composition Explorer
self-linksurface differs
ⓘ
surface form:
Neutron star Interior Composition Explorer
|
| hasComponent |
GPS receiver
ⓘ
X-ray Timing Instrument ⓘ array of X-ray concentrator optics ⓘ focal plane module with silicon drift detectors ⓘ pointing system ⓘ star tracker ⓘ |
| hostPlatform |
International Space Station program
ⓘ
surface form:
International Space Station
|
| launchedFrom | Kennedy Space Center ⓘ |
| launchedOn | 2017-06-03 ⓘ |
| launchedTo |
International Space Station program
ⓘ
surface form:
International Space Station
|
| launchVehicle |
Falcon 9 rocket
ⓘ
surface form:
SpaceX Falcon 9
|
| missionType |
Explorer-class mission payload
ⓘ
observatory ⓘ |
| mountedOn |
ISS ExPRESS Logistics Carrier 2
ⓘ
International Space Station program ⓘ
surface form:
International Space Station
|
| observes |
X-ray binaries
ⓘ
accreting neutron stars ⓘ magnetars ⓘ rotation-powered pulsars ⓘ |
| operatedBy |
NASA
ⓘ
Goddard Space Flight Center ⓘ
surface form:
NASA Goddard Space Flight Center
|
| orbitsWith |
International Space Station program
ⓘ
surface form:
International Space Station
|
| partOf |
NASA Explorer Program
ⓘ
surface form:
NASA Explorers Program
|
| primaryScienceTarget |
neutron stars
ⓘ
pulsars ⓘ |
| scientificGoal |
measure neutron star masses and radii
ⓘ
probe ultra-dense matter in neutron stars ⓘ test strong-field general relativity ⓘ |
| SEXTANTFullName | Station Explorer for X-ray Timing and Navigation Technology ⓘ |
| studies |
X-ray emission from compact objects
ⓘ
equation of state of ultra-dense matter ⓘ extreme gravity ⓘ neutron star interiors ⓘ |
| supportsExperiment | SEXTANT ⓘ |
| timeResolution | about 100 nanoseconds ⓘ |
| uses |
X-ray spectroscopy
ⓘ
X-ray timing ⓘ |
| wavelengthRange | soft X-ray band ⓘ |
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: NICER Neutron star Interior Composition Explorer Description of subject: NICER (Neutron star Interior Composition Explorer) is an X-ray astronomy instrument mounted on the International Space Station that studies neutron stars to probe their ultra-dense interiors and extreme physics.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
NICER
NICER Neutron star Interior Composition Explorer
→
fullName
→
NICER Neutron star Interior Composition Explorer
self-linksurface differs
ⓘ
subject surface form:
NICER
this entity surface form:
Neutron star Interior Composition Explorer
NICER Neutron star Interior Composition Explorer
→
abbreviation
→
NICER Neutron star Interior Composition Explorer
self-link
ⓘ
subject surface form:
NICER
this entity surface form:
NICER
High Energy Astrophysics Science Archive Research Center
→
hostMissionArchive
→
NICER Neutron star Interior Composition Explorer
ⓘ
this entity surface form:
NICER
this entity surface form:
Neutron star Interior Composition Explorer
this entity surface form:
NICER mission
this entity surface form:
NICER
this entity surface form:
NICER
this entity surface form:
Neutron star Interior Composition Explorer
this entity surface form:
NICER X-ray timing instrument
Station Explorer for X-ray Timing and Navigation Technology
→
isPartOf
→
NICER Neutron star Interior Composition Explorer
ⓘ
this entity surface form:
NICER mission
Station Explorer for X-ray Timing and Navigation Technology
→
sharesPlatformWith
→
NICER Neutron star Interior Composition Explorer
ⓘ
this entity surface form:
Neutron star Interior Composition Explorer
Station Explorer for X-ray Timing and Navigation Technology
→
relatedTo
→
NICER Neutron star Interior Composition Explorer
ⓘ
this entity surface form:
Neutron star Interior Composition Explorer
this entity surface form:
NICER
subject surface form:
HEASoft
this entity surface form:
NICER
this entity surface form:
NICER