Slit and Echelle Spectrograph Instruments

Click on the Instrument names to visit the Instrument web pages or click here to return to the Main Instrument Summary Page.

Optical Slit Spectrographs
  CARELEC CAFOS IDS ALFOSC TWIN DOLORES IRIS2 ISIS ACAM
Year of commissioning 1986 1997 1984 1996 1988 2000 2002 1989 2009
Location OHP CAHA, Spain La Palma La Palma CAHA, Spain La Palma Australia La Palma La Palma
Telescope Name OHP193 2.2m INT NOT 3.5m TNG AAT WHT WHT
Telescope Size 1.93 2.2 2.5 2.5 3.5 3.6 3.92 4.2 4.2
Operated by INSU CAHA STFC NOTSA CAHA INAF AAO STFC STFC
Type Slit Slit Slit Slit Slit Slit Slit Slit Slit
Accessible wavelength range 0.3 -1.1 0.3 -1.1 0.3 -1.0 0.3 -1.1 0.3 -1.1 0.3 -1.0 0.9-2.5 0.3 -1.0 0.35 -0.94
Accessible field ( slit length) 5.5' 16' 3.3' 5' 4' 8.6' 7.7' 4' 6'
Resolving power(s) 500-5000 600-3000 ~700-8000 200-10000 3000-14000 500-6000 2400 2000-15000 400
Unvignetted array dimensions (pixels)                  
Detector pixel size (actual)     15 µm           15 µm
Detector pixel size, on sky, across dispersion 0.55   0.4"   0.3"? 0.25"   0.2" 0.25"
Detector pixel size, on sky, along dispersion 0.55                
Dispersion (nm/pix)                  
No of cross-dispersed orders (echelles only)                  
Spectropolarimetry   YES NO

 

NO NO   YES NO
Cross Dispersed?   NO NO R=4000 echelle option NO NO   NO NO
FP?   YES NO   NO NO   NO NO
                   

 

Optical Echelle Spectrographs
  SOPHIE NARVAL FEROS FOCES FIES HARPS-N HARPS UCLES UCLES/CYCLOPS

Not yet commissioned

UHRF ESPADONS WYFFOS
Year of commissioning         2006 2012         2005 1994
Location OHP Pic du Midi La Silla CAHA, Spain La Palma La Palma La Silla Australia Australia Australia MK, Hawaii La Palma
Telescope Name 1.93 TBL 2.2 CAHA 2.2 NOT TNG ESO 3.6 AAT AAT AAT CFHT WHT
Telescope Size 1.93 2 2.2 2.2 2.5 3.6 3.6 3.92 3.92 3.92 4 4.2
Operated by INSU INSU MPG INSU NOTSA INAF ESO AAO AAO AAO INSU STFC
Type Echelle Echelle Echelle Echelle Echelle Echelle Echelle Echelle Echelle Echelle Echelle Multi-fibre
Accessible wavelength range 0.38-0.69 0.37-1.0 0.3-0.9 0.36-0.94 0.37-0.74 0.3-0.7 0.3-0.7 0.3-1.0 0.3-9.0 0.3-1.0 0.37-1.0 0.3-1.0
Accessible field                       50'
Resolving power(s) 40000, 75000 65000 48000 50000 25000-68000 120000 120000 48000-80000 75000 300000-940000 80000 7500
Unvignetted array dimensions (pixels)                        
Detector pixel size (actual)                        
Detector pixel size, on sky, across dispersion                        
Detector pixel size, on sky, along dispersion                        
Dispersion (nm/pix)                        
No of cross-dispersed orders (echelles only)                        
Spectropolarimetry   YES   NO NO NO NO      

YES

 
Cross Dispersed? YES     YES       YES YES      
FP?           NO NO       NO  
                         

 

Infrared Slit & Echelle Spectrographs
  MAGIC NOTCAM O-CASS NICS Giano (Infrared)

Not yet commissioned

GriF (AOB/KIR)

No longer offered

SOFI LIRIS
Year of commissioning 1994 2001 1997 2000   2002   2003
Location CAHA, Spain La Palma CAHA, Spain La Palma La Palma Mauna Kea, Hawaii La Silla La Palma
Telescope Name CAHA 2.2 NOT 3.5m TNG TNG CFHT NTT WHT
Telescope Size 2.2 2.5 3.5 3.5 3.5 3.6 3.6 4.2
Operated by CAHA NOTSA CAHA INAF INAF INSU ESO STFC
Type Slit Slit Slit Slit Slit Grism/FP Slit Slit
Accessible wavelength range 0.9-2.5 0.9-2.5 0.9-2.5 0.9-2.5 0.75-2.5 1.8-2.5 0.9-2.5 0.8-2.5
Accessible field ( slit length)               4'
Resolving power(s) 130,260 2500,5500 400-4000 50-2500 400 or 23000 400-2000 600-1500 ~700-2500
Unvignetted array dimensions (pixels)                
Detector pixel size (actual)               18.5 µm
Detector pixel size, on sky, across dispersion               0.2'
Detector pixel size, on sky, along dispersion                
Dispersion (nm/pix)                
No of cross-dispersed orders (echelles only)                
Spectropolarimetry     NO YES   NO

 

YES
Cross Dispersed?         YES     NO
FP?           YES   NO