XSPEC
E384073
X-ray astronomy software
astronomical data analysis software
gamma-ray astronomy software
spectral fitting software
XSPEC is a widely used software package for modeling and analyzing X-ray and gamma-ray astronomical spectra.
All labels observed (1)
| Label | Occurrences |
|---|---|
| XSPEC canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3737747 — 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: XSPEC Context triple: [High Energy Astrophysics Science Archive Research Center, develops, XSPEC]
-
A.
X-ray Spectrometer
The X-ray Spectrometer is a scientific instrument designed to analyze the elemental composition of celestial bodies by measuring the X-ray emissions from their surfaces.
-
B.
Schwarzschild X
Schwarzschild X is a designated satellite crater of the larger lunar impact feature Schwarzschild on the far side of the Moon.
-
C.
Photon Spectrometer
The Photon Spectrometer is a specialized detector subsystem of the ALICE experiment at CERN designed to precisely measure and analyze high-energy photons produced in heavy-ion collisions.
-
D.
X-Ray Telescope
The X-Ray Telescope is a space-based instrument designed to detect and image high-energy X-ray emissions from cosmic sources such as black holes, neutron stars, and gamma-ray bursts.
-
E.
NuSTAR Nuclear Spectroscopic Telescope Array
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.
- 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: XSPEC Target entity description: XSPEC is a widely used software package for modeling and analyzing X-ray and gamma-ray astronomical spectra.
-
A.
X-ray Spectrometer
The X-ray Spectrometer is a scientific instrument designed to analyze the elemental composition of celestial bodies by measuring the X-ray emissions from their surfaces.
-
B.
Schwarzschild X
Schwarzschild X is a designated satellite crater of the larger lunar impact feature Schwarzschild on the far side of the Moon.
-
C.
Photon Spectrometer
The Photon Spectrometer is a specialized detector subsystem of the ALICE experiment at CERN designed to precisely measure and analyze high-energy photons produced in heavy-ion collisions.
-
D.
X-Ray Telescope
The X-Ray Telescope is a space-based instrument designed to detect and image high-energy X-ray emissions from cosmic sources such as black holes, neutron stars, and gamma-ray bursts.
-
E.
NuSTAR Nuclear Spectroscopic Telescope Array
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.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
X-ray astronomy software
ⓘ
astronomical data analysis software ⓘ gamma-ray astronomy software ⓘ spectral fitting software ⓘ |
| developer |
NASA Goddard Space Flight Center
ⓘ
linked to:
Goddard Space Flight Center
|
| distribution | HEASARC ⓘ |
| domain | space-based observatories ⓘ |
| feature |
Bayesian analysis support
ⓘ
background modeling ⓘ batch processing ⓘ convolution models ⓘ error estimation ⓘ goodness-of-fit tests ⓘ maximum likelihood fitting ⓘ model parameter linking ⓘ multi-component spectral models ⓘ pile-up modeling ⓘ spectral rebinning ⓘ table models ⓘ user-defined models ⓘ χ² minimization fitting ⓘ |
| field |
X-ray astronomy
ⓘ
astrophysics ⓘ high-energy astrophysics ⓘ |
| license | freeware ⓘ |
| operatingSystem |
Linux
ⓘ
Windows ⓘ macOS ⓘ |
| partOf |
HEASoft
ⓘ
linked to:
HEASoft software suite
|
| primaryUse |
modeling X-ray spectra
ⓘ
modeling gamma-ray spectra ⓘ spectral analysis ⓘ spectral fitting ⓘ |
| programmingLanguage |
C
ⓘ
Fortran ⓘ |
| supportsDataType |
ancillary response files
ⓘ
binned spectral data ⓘ photon-counting spectra ⓘ response matrices ⓘ |
| supportsEnergyRange |
X-ray band
ⓘ
gamma-ray band ⓘ |
| supportsInstrument |
Chandra X-ray Observatory
ⓘ
NICER ⓘ NuSTAR ⓘ
linked to:
NuSTAR Nuclear Spectroscopic Telescope Array
RXTE ⓘ Suzaku ⓘ Swift ⓘ XMM-Newton ⓘ
linked to:
XMM-Newton mission
|
| supportsLanguageInterface |
Python
ⓘ
Tcl ⓘ |
| usedBy |
astronomers
ⓘ
astrophysicists ⓘ |
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: XSPEC Description of subject: XSPEC is a widely used software package for modeling and analyzing X-ray and gamma-ray astronomical spectra.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
HEASoft software suite