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CAFÉ (Calar Alto Fibre-fed Échelle) Spectrograph is a high resolution (R ~ 60 000) échelle spectrograph for single objects in the visible range (400 nm to 920 nm)
Available at: Cassegrain station of the Zeiss 2.2 m reflector
Contact:
In a nutshell
| Instrument name | CAFÉ Spectgrograph |
| Observing technique | Échelle spectroscopy in visible light |
| Spectral resolution |
R = 62 000 ± 5 000 |
| Spectral range |
407 nm - 925 nm |
| Aperture |
2.4 arcsec diameter (200 μm) |
| Limiting magnitude |
V = 14 mag |
| Calibration system |
Thorium and argon discharge lamp |
| Camera |
Andor Technologies iKon-L DZ936NBV |
| Detector |
2048 x 2048 CCD, 13.5 μm/px, back-illuminated, solid state cooling |
| Number of useful orders |
79 |
| Image files |
16 bits --> 8 mega bytes per image |
Observing with CAFÉ Spectrograph
- Publications based on data obtained with CAFÉ Spectrograph shall cite the following reference paper. "CAFE: Calar Alto Fiber-fed Echelle spectrograph." Aceituno et al. A&A, 552,A31.
- Publications using CAFÉ Spectrograph pipeline shall cite the following reference paper. "CAFE2: an upgrade to the CAFE high-resolution spectrograph. Commissioning results and new public pipeline." Lillo-Box et al. MNRAS 491,4496.
More information
The instrument has been founded by the Spanish Ministery of Science ICTS project ICTS-2009-32 (using FEDER funds). Fondo Europ eo de Desarrollo Regional, "Una manera de hacer Europa".
