iSHELL spectrograph
E459783
The iSHELL spectrograph is a high-resolution infrared spectrograph used for detailed astronomical observations, such as studying planetary atmospheres and small bodies in the solar system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| iSHELL spectrograph canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4635481 — 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: iSHELL spectrograph Context triple: [NASA Infrared Telescope Facility, hasInstrument, iSHELL spectrograph]
-
A.
Boller and Chivens spectrograph
The Boller and Chivens spectrograph is an astronomical instrument designed for dispersing and analyzing light from celestial objects to study their physical and chemical properties.
-
B.
DEIMOS spectrograph
The DEIMOS spectrograph is a powerful multi-object optical spectrograph designed for wide-field, high-resolution spectroscopy of faint astronomical sources.
-
C.
OSIRIS spectrograph
The OSIRIS spectrograph is a near-infrared integral field spectrograph and imager used on large telescopes to obtain detailed spatial and spectral information from astronomical objects.
-
D.
SpeX spectrograph
The SpeX spectrograph is a near-infrared spectrograph and imager used for astronomical observations, particularly of planets, stars, and small bodies in the solar system.
-
E.
X-shooter
X-shooter is a high-efficiency, medium-resolution spectrograph on the Very Large Telescope that simultaneously covers a very wide wavelength range from the ultraviolet to the near-infrared.
- 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: iSHELL spectrograph Target entity description: The iSHELL spectrograph is a high-resolution infrared spectrograph used for detailed astronomical observations, such as studying planetary atmospheres and small bodies in the solar system.
-
A.
Boller and Chivens spectrograph
The Boller and Chivens spectrograph is an astronomical instrument designed for dispersing and analyzing light from celestial objects to study their physical and chemical properties.
-
B.
DEIMOS spectrograph
The DEIMOS spectrograph is a powerful multi-object optical spectrograph designed for wide-field, high-resolution spectroscopy of faint astronomical sources.
-
C.
OSIRIS spectrograph
The OSIRIS spectrograph is a near-infrared integral field spectrograph and imager used on large telescopes to obtain detailed spatial and spectral information from astronomical objects.
-
D.
SpeX spectrograph
The SpeX spectrograph is a near-infrared spectrograph and imager used for astronomical observations, particularly of planets, stars, and small bodies in the solar system.
-
E.
X-shooter
X-shooter is a high-efficiency, medium-resolution spectrograph on the Very Large Telescope that simultaneously covers a very wide wavelength range from the ultraviolet to the near-infrared.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical instrument
ⓘ
high-resolution spectrograph ⓘ infrared spectrograph ⓘ |
| dataProduct | high-resolution infrared spectra ⓘ |
| dataType | high-dispersion spectra ⓘ |
| enablesMeasurement |
gas composition in comets
ⓘ
isotopic ratios in planetary atmospheres ⓘ molecular absorption lines ⓘ molecular emission lines ⓘ radial velocity variations ⓘ |
| fieldOfUse |
astronomy
ⓘ
astrophysics ⓘ planetary science ⓘ |
| fullName | iSHELL ⓘ |
| hostFacility | NASA Infrared Telescope Facility ⓘ |
| hostOrganization |
NASA
ⓘ
University of Hawaii (through IRTF operations) ⓘ |
| locatedAt | NASA Infrared Telescope Facility ⓘ |
| mountedOn |
NASA Infrared Telescope Facility 3-meter telescope
ⓘ
linked to:
NASA Infrared Telescope Facility
|
| observationType | ground-based infrared observations ⓘ |
| observatory |
Maunakea Observatories
ⓘ
linked to:
Mauna Kea Observatories
|
| observingMode | cross-dispersed echelle spectroscopy ⓘ |
| operationalBand |
near-infrared K band
ⓘ
near-infrared L band ⓘ near-infrared M band ⓘ |
| primaryUse | high-resolution infrared spectroscopy ⓘ |
| replacedInstrument | CSHELL spectrograph ⓘ |
| scientificGoal |
detailed characterization of planetary atmospheres
ⓘ
detailed characterization of small Solar System bodies ⓘ |
| scientificUse |
characterization of exoplanet atmospheres
ⓘ
compositional studies of asteroids ⓘ compositional studies of comets ⓘ measurement of radial velocities ⓘ studies of giant planet atmospheres ⓘ studies of terrestrial planet atmospheres ⓘ study of planetary atmospheres ⓘ study of small bodies in the Solar System ⓘ |
| spectralResolution | R ~ 70,000 ⓘ |
| targetType |
Solar System objects
ⓘ
asteroids ⓘ comets ⓘ exoplanet host stars ⓘ moons ⓘ planets ⓘ |
| telescopeLocation |
Maunakea, Hawaii
ⓘ
linked to:
Mauna Kea
|
| wavelengthRange |
1.1–5.3 microns
ⓘ
near-infrared ⓘ |
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: iSHELL spectrograph Description of subject: The iSHELL spectrograph is a high-resolution infrared spectrograph used for detailed astronomical observations, such as studying planetary atmospheres and small bodies in the solar system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.