PFS
E440269
astronomical instrument
multi-object spectrograph
near-infrared spectrograph
optical spectrograph
wide-field spectrograph
PFS is a multi-object, wide-field optical and near-infrared spectrograph designed for large-scale astronomical surveys on the Subaru Telescope.
All labels observed (1)
| Label | Occurrences |
|---|---|
| PFS canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4437512 — 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: PFS Context triple: [Subaru Telescope, hasInstrument, PFS]
-
A.
PFS
PFS is a planetary Fourier spectrometer used on the Venus Express mission to analyze the composition and structure of Venus’s atmosphere.
-
B.
PFS
PFS (Planetary Fourier Spectrometer) is a scientific instrument designed to analyze the Martian atmosphere’s composition and temperature structure using infrared spectroscopy aboard the Mars Express spacecraft.
-
C.
PFSO
PFSO is the designated security professional responsible for developing, implementing, and overseeing security measures at a port facility in accordance with maritime security regulations.
-
D.
PSF
PSF is the acronym for the Python Software Foundation, the nonprofit organization that manages and promotes the Python programming language and its community.
-
E.
PFA
PFA is a Danish pension fund that invests in large infrastructure projects such as offshore wind farms.
- 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: PFS Target entity description: PFS is a multi-object, wide-field optical and near-infrared spectrograph designed for large-scale astronomical surveys on the Subaru Telescope.
-
A.
PFS
PFS is a planetary Fourier spectrometer used on the Venus Express mission to analyze the composition and structure of Venus’s atmosphere.
-
B.
PFS
PFS (Planetary Fourier Spectrometer) is a scientific instrument designed to analyze the Martian atmosphere’s composition and temperature structure using infrared spectroscopy aboard the Mars Express spacecraft.
-
C.
PFSO
PFSO is the designated security professional responsible for developing, implementing, and overseeing security measures at a port facility in accordance with maritime security regulations.
-
D.
PSF
PSF is the acronym for the Python Software Foundation, the nonprofit organization that manages and promotes the Python programming language and its community.
-
E.
PFA
PFA is a Danish pension fund that invests in large infrastructure projects such as offshore wind farms.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical instrument
ⓘ
multi-object spectrograph ⓘ near-infrared spectrograph ⓘ optical spectrograph ⓘ wide-field spectrograph ⓘ |
| associatedWith | Subaru strategic surveys ⓘ |
| dataProduct |
near-infrared spectra
ⓘ
optical spectra ⓘ |
| designedFor | large-scale astronomical surveys ⓘ |
| fieldOfView | wide-field ⓘ |
| fullName |
Prime Focus Spectrograph
ⓘ
linked to:
Fiber Multi-Object Spectrograph
|
| hasCapability |
multi-fiber positioning
ⓘ
simultaneous spectroscopy of many objects ⓘ |
| hostTelescope |
Subaru 8.2-m telescope
ⓘ
linked to:
Subaru Telescope
|
| hostTelescopeType | optical-infrared telescope ⓘ |
| installedOn |
Subaru Telescope prime focus
ⓘ
linked to:
Subaru Telescope
|
| locatedAt | prime focus of Subaru Telescope ⓘ |
| mountedOn | Subaru Telescope ⓘ |
| observatoryCountry | Japan ⓘ |
| observatorySite |
Mauna Kea, Hawaii
ⓘ
linked to:
Mauna Kea
|
| observes |
distant galaxies
ⓘ
quasars ⓘ stars ⓘ |
| primaryMirrorDiameterOfHostTelescope | 8.2 meters ⓘ |
| purpose | obtain spectra for large samples of astronomical objects ⓘ |
| scienceGoal |
constrain dark energy and cosmological parameters
ⓘ
map the large-scale distribution of matter in the universe ⓘ study galaxy formation and evolution ⓘ |
| scienceUse |
Milky Way archaeology
ⓘ
cosmology surveys ⓘ extragalactic astronomy ⓘ galaxy evolution studies ⓘ large-scale structure mapping ⓘ |
| spectralRange | optical to near-infrared ⓘ |
| surveyMode | multi-object spectroscopy ⓘ |
| telescopeLocation |
Mauna Kea Observatory
ⓘ
linked to:
Mauna Kea Observatories
|
| telescopeOperator |
National Astronomical Observatory of Japan
ⓘ
linked to:
NAOJ
|
| usedIn | spectroscopic surveys ⓘ |
| wavelengthCoverage |
near-infrared
ⓘ
optical ⓘ |
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: PFS Description of subject: PFS is a multi-object, wide-field optical and near-infrared spectrograph designed for large-scale astronomical surveys on the Subaru Telescope.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.