FEROS spectrograph
E75641
The FEROS spectrograph is a high-resolution, fiber-fed echelle spectrograph used in optical astronomy for precise stellar spectroscopy and radial velocity measurements.
All labels observed (1)
| Label | Occurrences |
|---|---|
| FEROS spectrograph canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T602739 — 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: FEROS spectrograph Context triple: [La Silla Observatory, hasInstrument, FEROS spectrograph]
-
A.
HARPS spectrograph
The HARPS spectrograph is a high-precision, fiber-fed echelle spectrograph designed primarily for detecting exoplanets via radial velocity measurements.
-
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.
Magellan Echellette Spectrograph (MagE)
Magellan Echellette Spectrograph (MagE) is a medium-resolution optical echellette spectrograph designed for wide wavelength coverage and efficient spectroscopy of faint astronomical sources.
-
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.
Inamori Magellan Areal Camera and Spectrograph
The Inamori Magellan Areal Camera and Spectrograph (IMACS) is a wide-field optical imaging and spectrographic instrument mounted on the Magellan telescopes, used for deep astronomical surveys and detailed spectroscopic studies.
- 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: FEROS spectrograph Target entity description: The FEROS spectrograph is a high-resolution, fiber-fed echelle spectrograph used in optical astronomy for precise stellar spectroscopy and radial velocity measurements.
-
A.
HARPS spectrograph
The HARPS spectrograph is a high-precision, fiber-fed echelle spectrograph designed primarily for detecting exoplanets via radial velocity measurements.
-
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.
Magellan Echellette Spectrograph (MagE)
Magellan Echellette Spectrograph (MagE) is a medium-resolution optical echellette spectrograph designed for wide wavelength coverage and efficient spectroscopy of faint astronomical sources.
-
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.
Inamori Magellan Areal Camera and Spectrograph
The Inamori Magellan Areal Camera and Spectrograph (IMACS) is a wide-field optical imaging and spectrographic instrument mounted on the Magellan telescopes, used for deep astronomical surveys and detailed spectroscopic studies.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical spectrograph
ⓘ
echelle spectrograph ⓘ fiber-fed spectrograph ⓘ |
| acronym | FEROS ⓘ |
| belongsToFacility |
MPG/ESO 2.2-metre telescope facility
ⓘ
linked to:
MPG/ESO 2.2 m Telescope
|
| commissioned | late 1990s ⓘ |
| commissionedAt | ESO 1.52-metre telescope ⓘ |
| countryLocatedIn | Chile ⓘ |
| dataProduct |
high-resolution optical spectra
ⓘ
precise stellar radial velocities ⓘ |
| field | optical astronomy ⓘ |
| fullName | Fiber-fed Extended Range Optical Spectrograph ⓘ |
| hasCalibration |
ThAr comparison lamp
ⓘ
bias frames ⓘ flat-field lamp ⓘ |
| hasDetector | CCD detector ⓘ |
| hasFeature |
cross-disperser for order separation
ⓘ
simultaneous wavelength coverage of most optical range ⓘ stabilized environment for precise radial velocities ⓘ |
| hasFiber |
object fiber
ⓘ
sky fiber ⓘ |
| hasMode |
simultaneous ThAr calibration (via fiber) in some configurations
ⓘ
simultaneous object and sky observation ⓘ |
| isFiberFed | true ⓘ |
| laterRelocatedTo |
MPG/ESO 2.2-metre telescope
ⓘ
linked to:
MPG/ESO 2.2 m Telescope
|
| locatedAt | La Silla Observatory ⓘ |
| numberOfFibers | 2 ⓘ |
| observatoryCode |
ESO La Silla
ⓘ
linked to:
La Silla Observatory
|
| observatorySite |
La Silla, Chile
ⓘ
linked to:
La Silla Observatory
|
| operatedBy | European Southern Observatory ⓘ |
| primaryUse |
radial velocity measurements
ⓘ
stellar spectroscopy ⓘ |
| resolutionType | high-resolution ⓘ |
| scientificGoal |
binary star studies
ⓘ
exoplanet searches ⓘ galactic structure studies ⓘ stellar astrophysics ⓘ variable star monitoring ⓘ |
| spectralResolution | R ≈ 48,000 ⓘ |
| spectrographType | cross-dispersed echelle ⓘ |
| supportsTechnique |
Doppler spectroscopy
ⓘ
abundance analysis of stars ⓘ line-profile variability studies ⓘ |
| telescopeMountedOn |
ESO 1.52-metre telescope
ⓘ
MPG/ESO 2.2-metre telescope ⓘ
linked to:
MPG/ESO 2.2 m Telescope
|
| usedBy | international astronomical community ⓘ |
| usedFor |
long-term spectroscopic monitoring programs
ⓘ
time-series spectroscopy ⓘ |
| wavelengthRange | approximately 350 nm to 920 nm ⓘ |
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: FEROS spectrograph Description of subject: The FEROS spectrograph is a high-resolution, fiber-fed echelle spectrograph used in optical astronomy for precise stellar spectroscopy and radial velocity measurements.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.