OMEGA-CASS Calibration lamps

Argon

( 1.0-1.25 microns, 1.25-1.5 microns, 1.5-2.0 microns, 2.0-2.5 microns)

Grism Filter Slit-width Optics initial 
(Å)
final 
(Å)
Dispersion Å/pix Plot *.ps file
#1 K-band slit-100 (0.6") wide-field 21100 24000 2.50 X X
#3 J-band slit-100 (0.6") wide-field ? ? ? X X
#3 H-band slit-100 (0.6") wide-field 14380 18380 7.54 X X
#3 K-band slit-100 (0.6") wide-field 19550 24500 10.76 X X
#3 S3-band slit-100 (0.6") wide-field 17600 25000 10.76 X X
#4 J-band slit-100 (0.6") wide-field ? ? ? X X
#4 H-band slit-100 (0.6") wide-field 14400 18300 25.90 X X
#4 K-band slit-100 (0.6") wide-field 19500 24400 21.60 X X
#4 HK-band slit-100 (0.6") wide-field 14300 24400 21.09 X X

Note: To prevent saturation you should always take the minimum exposure time allowed, i.e. 0.842 seconds.


Francisco Prada