NuSTAR Nuclear Spectroscopic Telescope Array
E80423
NuSTAR (Nuclear Spectroscopic Telescope Array) is a space-based X-ray observatory that uses high-energy focusing optics to study black holes, neutron stars, supernova remnants, and other energetic cosmic phenomena.
All labels observed (5)
| Label | Occurrences |
|---|---|
| NuSTAR | 11 |
| Nuclear Spectroscopic Telescope Array | 2 |
| NuSTAR Nuclear Spectroscopic Telescope Array canonical | 1 |
| NuSTAR mission | 1 |
| Nuclear Spectroscopic Telescope Array (NuSTAR) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T633388 — 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: NuSTAR Nuclear Spectroscopic Telescope Array Context triple: [NASA Astrophysics Division, overseesMission, NuSTAR Nuclear Spectroscopic Telescope Array]
-
A.
Fermi Gamma-ray Space Telescope
The Fermi Gamma-ray Space Telescope is a NASA space observatory that studies the universe in high-energy gamma rays, revealing phenomena such as black holes, neutron stars, and gamma-ray bursts.
-
B.
Neil Gehrels Swift Observatory
The Neil Gehrels Swift Observatory is a NASA space telescope dedicated primarily to detecting and studying gamma-ray bursts and other high-energy astrophysical phenomena.
-
C.
Chandra X-ray Observatory
The Chandra X-ray Observatory is a space-based telescope that observes high-energy X-ray emissions from hot regions of the universe, such as exploded stars, galaxy clusters, and matter around black holes.
-
D.
IXPE X-ray Polarimetry Explorer
IXPE X-ray Polarimetry Explorer is a NASA space observatory designed to measure the polarization of cosmic X-rays to study extreme astrophysical environments such as black holes, neutron stars, and supernova remnants.
-
E.
NICER Neutron star Interior Composition Explorer
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.
- 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: NuSTAR Nuclear Spectroscopic Telescope Array Target entity description: NuSTAR (Nuclear Spectroscopic Telescope Array) is a space-based X-ray observatory that uses high-energy focusing optics to study black holes, neutron stars, supernova remnants, and other energetic cosmic phenomena.
-
A.
Fermi Gamma-ray Space Telescope
The Fermi Gamma-ray Space Telescope is a NASA space observatory that studies the universe in high-energy gamma rays, revealing phenomena such as black holes, neutron stars, and gamma-ray bursts.
-
B.
Neil Gehrels Swift Observatory
The Neil Gehrels Swift Observatory is a NASA space telescope dedicated primarily to detecting and studying gamma-ray bursts and other high-energy astrophysical phenomena.
-
C.
Chandra X-ray Observatory
The Chandra X-ray Observatory is a space-based telescope that observes high-energy X-ray emissions from hot regions of the universe, such as exploded stars, galaxy clusters, and matter around black holes.
-
D.
IXPE X-ray Polarimetry Explorer
IXPE X-ray Polarimetry Explorer is a NASA space observatory designed to measure the polarization of cosmic X-rays to study extreme astrophysical environments such as black holes, neutron stars, and supernova remnants.
-
E.
NICER Neutron star Interior Composition Explorer
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.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
NASA space mission
ⓘ
X-ray observatory ⓘ space telescope ⓘ |
| acronym |
NuSTAR
ⓘ
linked to:
NuSTAR Nuclear Spectroscopic Telescope Array
|
| altitude | approximately 600 kilometers ⓘ |
| angularResolution | about 18 arcseconds FWHM ⓘ |
| collaboratingInstitution |
California Institute of Technology
ⓘ
Danish Technical University ⓘ
linked to:
Technical University of Denmark
Italian Space Agency ⓘ |
| detectorType | cadmium zinc telluride detectors ⓘ |
| energyRange | 3–79 keV ⓘ |
| energyResolution | about 400 eV at 10 keV ⓘ |
| fieldOfView | about 12 arcminutes ⓘ |
| focalLength | 10 meters ⓘ |
| focalLengthExtensionMethod | deployable mast ⓘ |
| fullName |
Nuclear Spectroscopic Telescope Array
ⓘ
linked to:
NuSTAR Nuclear Spectroscopic Telescope Array
|
| fundingAgency | NASA Science Mission Directorate ⓘ |
| hasPrincipalInvestigator | Fiona A. Harrison ⓘ |
| inclination | about 6 degrees ⓘ |
| launchCountry |
United States
ⓘ
linked to:
United States of America
|
| launchDate | 2012-06-13 ⓘ |
| launchSite | Kwajalein Atoll ⓘ |
| launchVehicle | Pegasus XL ⓘ |
| missionClass | SMEX mission ⓘ |
| missionProgram |
NASA Small Explorer program
ⓘ
linked to:
NASA Astrophysics Explorers Program
|
| missionType | astrophysics observatory ⓘ |
| notableResult |
constraints on the population of obscured supermassive black holes
ⓘ
detection of high-energy emission from the Galactic Center ⓘ high-energy studies of supernova remnant Cassiopeia A ⓘ measurements of hard X-ray emission from active galactic nuclei ⓘ observations of magnetars and pulsars in hard X-rays ⓘ |
| operator | NASA ⓘ |
| orbitType | low Earth orbit ⓘ |
| PIInstitution | California Institute of Technology ⓘ |
| primaryMirrorType | Wolter I design ⓘ |
| scientificObjective |
study Galactic Center high-energy emission
ⓘ
study active galactic nuclei ⓘ study black holes ⓘ study compact objects ⓘ study high-energy cosmic phenomena ⓘ study neutron stars ⓘ study particle acceleration in astrophysical sources ⓘ study stellar explosions ⓘ study supermassive black hole populations ⓘ study supernova remnants ⓘ |
| spaceAgency |
NASA Jet Propulsion Laboratory
ⓘ
linked to:
Jet Propulsion Laboratory
|
| telescopeConfiguration | two co-aligned X-ray telescopes ⓘ |
| usesOpticsType |
focusing hard X-ray optics
ⓘ
multilayer-coated grazing-incidence mirrors ⓘ |
| wavelengthBand | X-ray ⓘ |
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: NuSTAR Nuclear Spectroscopic Telescope Array Description of subject: NuSTAR (Nuclear Spectroscopic Telescope Array) is a space-based X-ray observatory that uses high-energy focusing optics to study black holes, neutron stars, supernova remnants, and other energetic cosmic phenomena.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: NuSTAR Nuclear Spectroscopic Telescope Array
subject linked to:
NuSTAR Nuclear Spectroscopic Telescope Array
linked to: NuSTAR Nuclear Spectroscopic Telescope Array
subject linked to:
NuSTAR Nuclear Spectroscopic Telescope Array
linked to: NuSTAR Nuclear Spectroscopic Telescope Array
linked to: NuSTAR Nuclear Spectroscopic Telescope Array
linked to: NuSTAR Nuclear Spectroscopic Telescope Array
linked to: NuSTAR Nuclear Spectroscopic Telescope Array
linked to: NuSTAR Nuclear Spectroscopic Telescope Array
linked to: NuSTAR Nuclear Spectroscopic Telescope Array
subject linked to:
HEASoft software suite
linked to: NuSTAR Nuclear Spectroscopic Telescope Array
linked to: NuSTAR Nuclear Spectroscopic Telescope Array
linked to: NuSTAR Nuclear Spectroscopic Telescope Array
linked to: NuSTAR Nuclear Spectroscopic Telescope Array
subject linked to:
Medium Explorer (MIDEX) missions
linked to: NuSTAR Nuclear Spectroscopic Telescope Array
linked to: NuSTAR Nuclear Spectroscopic Telescope Array
linked to: NuSTAR Nuclear Spectroscopic Telescope Array