Facts about FEROS
FEROS is a fibre-fed optical echelle spectrograph. It is bench-mounted and environmentally controlled. Important instrument facts are listed below and can be found on the ESO website. The detailed description of the FEROS spectrograph can be looked up in the FEROS manual on the ESO website.
| Parameter | Value/Characteristic |
|---|---|
| Spectral resolution | 48,000 |
| Spectral range | ~350 - 920 nm |
| RV accurarcy | ~25 m/s or better |
| Number of fibers | 2 |
| Number of operation modes | 2 (object-calibration & object-sky) |
| Fibre aperature size | 2.0 arcsec |
| Fibre separation | 2.9 arcsec |
| Number echelle orders | 39 |
| Detector | EEV 2k×4k CCD |