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.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical spectrograph
ⓘ
echelle spectrograph ⓘ fiber-fed spectrograph ⓘ |
| acronym | FEROS ⓘ |
| belongsToFacility |
MPG/ESO 2.2 m Telescope
ⓘ
surface form:
MPG/ESO 2.2-metre telescope facility
|
| 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 m Telescope
ⓘ
surface form:
MPG/ESO 2.2-metre telescope
|
| locatedAt | La Silla Observatory ⓘ |
| numberOfFibers | 2 ⓘ |
| observatoryCode |
La Silla Observatory
ⓘ
surface form:
ESO La Silla
|
| observatorySite |
La Silla Observatory
ⓘ
surface form:
La Silla, Chile
|
| 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 m Telescope ⓘ
surface form:
MPG/ESO 2.2-metre telescope
|
| usedBy | international astronomical community ⓘ |
| usedFor |
long-term spectroscopic monitoring programs
ⓘ
time-series spectroscopy ⓘ |
| wavelengthRange | approximately 350 nm to 920 nm ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.