LRIS spectrograph
E438731
The LRIS spectrograph is a powerful optical imaging and multi-object spectrograph used on one of the Keck telescopes for detailed astronomical observations across a wide wavelength range.
All labels observed (4)
| Label | Occurrences |
|---|---|
| LRIS | 1 |
| LRIS spectrograph canonical | 1 |
| LRIS-Blue arm | 1 |
| LRIS-Red arm | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4411105 — 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: LRIS spectrograph Context triple: [W. M. Keck Observatory, hasInstrument, LRIS 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.
Faint Object Spectrograph
The Faint Object Spectrograph was an early-generation Hubble Space Telescope instrument designed to obtain detailed spectra of very dim astronomical objects across a wide range of wavelengths.
-
C.
GNIRS (Gemini Near-Infrared Spectrograph)
GNIRS (Gemini Near-Infrared Spectrograph) is a high-resolution near-infrared spectrograph used on the Gemini North telescope to study the composition, kinematics, and physical conditions of astronomical objects.
-
D.
Goddard High Resolution Spectrograph
The Goddard High Resolution Spectrograph was a highly sensitive ultraviolet spectrograph aboard the Hubble Space Telescope used to study the composition, temperature, and motion of astronomical objects.
-
E.
Fiber-fed Extended Range Optical Spectrograph
Fiber-fed Extended Range Optical Spectrograph is a high-resolution echelle spectrograph used in astronomy to obtain precise, wide-wavelength-range stellar spectra, notably for studies such as radial-velocity measurements and stellar characterization.
- 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: LRIS spectrograph Target entity description: The LRIS spectrograph is a powerful optical imaging and multi-object spectrograph used on one of the Keck telescopes for detailed astronomical observations across a wide wavelength range.
-
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.
Faint Object Spectrograph
The Faint Object Spectrograph was an early-generation Hubble Space Telescope instrument designed to obtain detailed spectra of very dim astronomical objects across a wide range of wavelengths.
-
C.
GNIRS (Gemini Near-Infrared Spectrograph)
GNIRS (Gemini Near-Infrared Spectrograph) is a high-resolution near-infrared spectrograph used on the Gemini North telescope to study the composition, kinematics, and physical conditions of astronomical objects.
-
D.
Goddard High Resolution Spectrograph
The Goddard High Resolution Spectrograph was a highly sensitive ultraviolet spectrograph aboard the Hubble Space Telescope used to study the composition, temperature, and motion of astronomical objects.
-
E.
Fiber-fed Extended Range Optical Spectrograph
Fiber-fed Extended Range Optical Spectrograph is a high-resolution echelle spectrograph used in astronomy to obtain precise, wide-wavelength-range stellar spectra, notably for studies such as radial-velocity measurements and stellar characterization.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical spectrograph
ⓘ
multi-object spectrograph ⓘ optical instrument ⓘ |
| abbreviation |
LRIS
ⓘ
linked to:
LRIS spectrograph
|
| associatedWith |
California Institute of Technology
ⓘ
NASA ⓘ University of California ⓘ
linked to:
University of California system
|
| country |
United States
ⓘ
linked to:
United States of America
|
| detectorType | CCD ⓘ |
| feature |
dichroic beam splitter
ⓘ
filter wheels ⓘ grisms and gratings ⓘ multi-slit masks ⓘ |
| fullName | Low Resolution Imaging Spectrometer ⓘ |
| hasCapability |
imaging
ⓘ
long-slit spectroscopy ⓘ low-resolution spectroscopy ⓘ moderate-resolution spectroscopy ⓘ multi-object spectroscopy ⓘ |
| hasComponent |
LRIS-Blue arm
ⓘ
linked to:
LRIS spectrograph
LRIS-Red arm ⓘ
linked to:
LRIS spectrograph
|
| locatedAt | W. M. Keck Observatory ⓘ |
| mountedOn |
Keck I Telescope
ⓘ
linked to:
W. M. Keck Observatory
|
| notableProperty |
high sensitivity
ⓘ
multi-object capability ⓘ wide wavelength coverage ⓘ |
| observatoryLocation |
Mauna Kea, Hawaii
ⓘ
linked to:
Mauna Kea
|
| observingMode |
classical observing
ⓘ
queue-scheduled observing ⓘ |
| operatedBy | California Association for Research in Astronomy ⓘ |
| scienceUse |
absorption-line spectroscopy
ⓘ
emission-line spectroscopy ⓘ galaxy spectroscopy ⓘ high-redshift galaxy surveys ⓘ quasar spectroscopy ⓘ stellar population studies ⓘ supernova follow-up ⓘ |
| telescopeAperture | 10-meter ⓘ |
| telescopeType | optical telescope ⓘ |
| usedFor |
chemical abundance studies
ⓘ
detailed astronomical observations ⓘ kinematic studies ⓘ redshift measurements ⓘ spectral classification ⓘ |
| wavelengthRange |
near-infrared (red optical edge)
ⓘ
near-ultraviolet ⓘ 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: LRIS spectrograph Description of subject: The LRIS spectrograph is a powerful optical imaging and multi-object spectrograph used on one of the Keck telescopes for detailed astronomical observations across a wide wavelength range.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
LRIS spectrograph
linked to: LRIS spectrograph
subject linked to:
LRIS spectrograph
linked to: LRIS spectrograph