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ESO New Technology Telescope 

Operation Procedures

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CCD R.O.N./Gain/Shutter delays
EMMI / SUSI2 parameters at 2002/ 5/30
EMMI SUSI2
CCD Blue #31 Red #36 #45[left] #46[right]
Pixel size (micron) 24 x 24 24 x 24 15x15 30x30 15x15 30x30
Pixel size (arcsec) 0.37 0.27 0.08 0.16 0.08 0.16
Readout mode Norm. Fast Slow Norm. Fast Slow 1x1 2x2 1x1 2x2
Readout Time (s) 40 33 50 162 94 196 55 15 55 15
Gain (e-/ADU) 2.86 2.73 1.45 2.16 2.34 1.072.13 2.012.14 2.01
rms (e-/ADU) .006 .045 .008 .006 .009 .013 .013 .008 .017 .012
RON (e-) 6.68.7 5.05.4 5.24.1 4.64.24.5 4.3
rms (e-) .14 .01 .03 .02 .02 .05 .03 .02 .04 .03
Bias (ADU) 563.4608.6 571.6578.3 583.6 598.7 350.292.347.3 284.8
rms (ADU) 2.3 3.2 3.4 2.5 2.2 3.9 2.1 2.1 2.1 2.1
Shutter delay (s) .163 .147 .155 .125 .082 .136 -.010 .000 -.003 .003
DK (e-/pix/h) 6.9 1.7 < 0.5 < 0.5
RMS : error on the measurements of RON, Gain and Bias for the given week
A negative Shutter delay (SUSI2) indicate that The closing time is
faster than openning time of the shutter

 

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