IRDIS – Infra-Red Dual-beam Imager and Spectrograph
E668450
IRDIS – Infra-Red Dual-beam Imager and Spectrograph is a near-infrared imaging and spectroscopic instrument used in high-contrast exoplanet and circumstellar disk observations as part of the SPHERE facility on the Very Large Telescope.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IRDIS – Infra-Red Dual-beam Imager and Spectrograph canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7486585 — 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: IRDIS – Infra-Red Dual-beam Imager and Spectrograph Context triple: [SPHERE, subsystemFullName, IRDIS – Infra-Red Dual-beam Imager and Spectrograph]
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A.
Mid-Infrared Instrument
The Mid-Infrared Instrument (MIRI) is a key James Webb Space Telescope payload that provides imaging, spectroscopy, and coronagraphy in the mid-infrared range to study cold, distant, and dust-obscured cosmic objects.
-
B.
Near Infrared Imager and Slitless Spectrograph
The Near Infrared Imager and Slitless Spectrograph (NIRISS) is a James Webb Space Telescope instrument designed for high-sensitivity near-infrared imaging and spectroscopy, particularly suited for exoplanet characterization and studies of distant galaxies.
-
C.
Imaging IR Spectrometer
The Imaging IR Spectrometer is a Chandrayaan-2 orbiter instrument designed to map the Moon’s surface composition by measuring reflected and emitted infrared radiation.
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D.
Infrared Spectrograph
The Infrared Spectrograph is a scientific instrument designed to disperse and analyze infrared light from astronomical objects, enabling detailed studies of their composition, temperature, and physical conditions.
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E.
NIRI (Near-Infrared Imager and Spectrometer)
NIRI (Near-Infrared Imager and Spectrometer) is a near-infrared camera and spectrograph used on large telescopes to capture detailed images and spectra of astronomical objects at infrared wavelengths.
- 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: IRDIS – Infra-Red Dual-beam Imager and Spectrograph Target entity description: IRDIS – Infra-Red Dual-beam Imager and Spectrograph is a near-infrared imaging and spectroscopic instrument used in high-contrast exoplanet and circumstellar disk observations as part of the SPHERE facility on the Very Large Telescope.
-
A.
Mid-Infrared Instrument
The Mid-Infrared Instrument (MIRI) is a key James Webb Space Telescope payload that provides imaging, spectroscopy, and coronagraphy in the mid-infrared range to study cold, distant, and dust-obscured cosmic objects.
-
B.
Near Infrared Imager and Slitless Spectrograph
The Near Infrared Imager and Slitless Spectrograph (NIRISS) is a James Webb Space Telescope instrument designed for high-sensitivity near-infrared imaging and spectroscopy, particularly suited for exoplanet characterization and studies of distant galaxies.
-
C.
Imaging IR Spectrometer
The Imaging IR Spectrometer is a Chandrayaan-2 orbiter instrument designed to map the Moon’s surface composition by measuring reflected and emitted infrared radiation.
-
D.
Infrared Spectrograph
The Infrared Spectrograph is a scientific instrument designed to disperse and analyze infrared light from astronomical objects, enabling detailed studies of their composition, temperature, and physical conditions.
-
E.
NIRI (Near-Infrared Imager and Spectrometer)
NIRI (Near-Infrared Imager and Spectrometer) is a near-infrared camera and spectrograph used on large telescopes to capture detailed images and spectra of astronomical objects at infrared wavelengths.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical instrument
ⓘ
near-infrared imager ⓘ spectrograph ⓘ |
| acronym | IRDIS NERFINISHED ⓘ |
| associatedWith |
SPHERE-IFS
NERFINISHED
ⓘ
SPHERE-ZIMPOL NERFINISHED ⓘ |
| commissionedAsPartOf | SPHERE commissioning on the VLT ⓘ |
| dataProduct |
dual-band images
ⓘ
high-contrast images ⓘ low-resolution spectra ⓘ |
| fullName | Infra-Red Dual-beam Imager and Spectrograph NERFINISHED ⓘ |
| hostInstrument | SPHERE NERFINISHED ⓘ |
| installedOn | VLT Unit Telescope 3 Melipal NERFINISHED ⓘ |
| locatedAt | Very Large Telescope NERFINISHED ⓘ |
| mode |
classical imaging
ⓘ
dual-band imaging ⓘ long-slit spectroscopy ⓘ polarimetric imaging ⓘ |
| observatory | Paranal Observatory NERFINISHED ⓘ |
| observes |
brown dwarfs
ⓘ
debris disks ⓘ protoplanetary disks ⓘ young giant exoplanets ⓘ |
| operatedBy | European Southern Observatory NERFINISHED ⓘ |
| partOf |
SPHERE
ⓘ
SPHERE high-contrast imaging facility NERFINISHED ⓘ |
| primaryScienceCase |
circumstellar disk imaging
ⓘ
exoplanet imaging ⓘ |
| scienceBand |
H band
ⓘ
J band ⓘ K band ⓘ Y band ⓘ |
| scienceField |
circumstellar environment studies
ⓘ
exoplanet science ⓘ planet formation ⓘ stellar astrophysics ⓘ |
| scienceGoal |
characterization of exoplanet atmospheres
ⓘ
direct detection of exoplanets ⓘ high-contrast observations ⓘ study of circumstellar disks ⓘ |
| telescope | Very Large Telescope NERFINISHED ⓘ |
| uses |
adaptive optics from SPHERE
ⓘ
coronagraphs from SPHERE ⓘ |
| usesTechnique |
differential imaging
ⓘ
dual-beam imaging ⓘ spectroscopy ⓘ |
| wavelengthRange | 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: IRDIS – Infra-Red Dual-beam Imager and Spectrograph Description of subject: IRDIS – Infra-Red Dual-beam Imager and Spectrograph is a near-infrared imaging and spectroscopic instrument used in high-contrast exoplanet and circumstellar disk observations as part of the SPHERE facility on the Very Large Telescope.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.