Instrument

Specifications of NIR Spectrograph

Wavelength coverage0.83 – 2.5 μm
Input F ratio13.9
Slit width,
Spectral resolution
0.35″ (R~3300)
0.21″ (R~5500)
0.5″ (R~2310)
0.7″ (R~1650)
Select one slit depending on the observation conditions.
Slit length5″
Collimator focal length597.7 mm
Pupil diameter43.0 mm
DetectorHAWAII-2RG
Detector format2048 x 2048 pix
Detector pixel size18 μm/pix
Sampling3.3 pix with 0.35″ slit