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IDS CCD Parameters

The bias value, readout noise, gain, and in the future also the linearity are monitored by the Support Astronomers. SA, please update this table in any D nights and, if possible, also at the beginning of each observing run with a visiting astronomer. Report any anomalous value to the Operations Team via a Fault Report.

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CCD Date Read mode Binning Bias Noise (ADU) Gain (e-/ ADU)
EEV 10 Nominal Slow 1x1 1955 3.5 2.1
RED+2 Nominal Slow 1x1 3720 5.5 0.95
RED+2 15 Oct 2011 Slow 1x1 3739 3.01 0.97
RED+2 15 Oct 2011 Fast 1x1 2991 2.35 1.94
RED+2 15 Oct 2011 Slow 2x2 3688 3.19 0.94
RED+2 15 Oct 2011 Fast 2x2 2975 2.42 1.93
RED+2 3 Feb 2012 Slow 1x1 3661 3.92 1.06
RED+2 3 Feb 2012 Fast 1x1 2928 4.81 2.18
RED+2 3 Feb 2012 Slow 2x2 3650 3.92 1.03
RED+2 3 Feb 2012 Fast 2x2 2948 4.66 2.10
RED+2 3 Apr 2012 Slow 1x1 3694 2.91 1.51
RED+2 3 Apr 2012 Fast 1x1 2979 1.84 0.68
RED+2 7 May 2012 Slow 1x1 3732 2.86 0.99
RED+2 7 May 2012 Fast 1x1 3009 4.78 2.12
RED+2 7 May 2012 Slow 2x2 3687 2.85 0.95
RED+2 7 May 2012 Fast 2x2 2985 4.40 1.91
EEV10 20 Jun 2012 Slow 1x1 2036 4.00 1.21
EEV10 28 Aug 2012 Slow 1x1 2287 4.47 1.36
EEV10 28 Aug 2012 Fast 1x1 1560 5.72 2.83
EEV10 28 Aug 2012 Slow 2x2 2397 5.19 1.30
EEV10 28 Aug 2012 Fast 2x2 1960 6.11 2.71
Red+2 23 Oct 2012 Slow 1x1 3814 3.71 1.09
Red+2 23 Oct 2012 Fast 1x1 3014 5.98 2.27
Red+2 23 Oct 2012 Slow 2x2 3940 3.49 1.07
Red+2 23 Oct 2012 Fast 2x2 3096 5.86 2.24
Red+2 21 Dec 2012 Slow 1x1 3819 2.96 0.91
Red+2 21 Dec 2012 Fast 1x1 3006 5.47 2.01
Red+2 22 Dec 2012 Slow 1x1 3800 3.06 0.97
Red+2 22 Dec 2012 Fast 1x1 3009 4.88 2.08
Red+2 23 Dec 2012 Slow 1x1 3816 3.18 0.97
Red+2 23 Dec 2012 Fast 1x1 3004 5.63 2.06
Red+2 23 Dec 2012 Slow 2x2 3907 ? 0.93
Red+2 23 Dec 2012 Fast 2x2 3079 4.56 1.90
Red+2 24 Dec 2012 Slow 1x1 3808 3.03 0.91
Red+2 24 Dec 2012 Fast 1x1 3005 4.98 1.98
Red+2 24 Dec 2012 Slow 2x2 3904 4.96 0.93
Red+2 24 Dec 2012 Fast 2x2 3081 5.90 1.91
Red+2 30 Dec 2012 Slow 1x1 3834 3.13 0.94
Red+2 30 Dec 2012 Fast 1x1 3012 5.20 1.98
EEV10 15 Jul 2013 Slow 1x1 1656 4.68 1.32
EEV10 15 Jul 2013 Fast 1x1 965 8.00 2.64
Red+2 21 Nov 2013 Slow 1x1 3829 3.3 1.11
Red+2 21 Nov 2013 Fast 1x1 3036 5.15 2.36
EEV10 07 Jan 2014 Slow 1x1 1799 3.71 1.19
EEV10 07 Jan 2014 Fast 1x1 1365 5.16 2.52
EEV10 10 Jan 2014 Slow 1x1 1832 4.2 1.3
EEV10 10 Jan 2014 Fast 1x1 1350 6.04 2.64
EEV10 10 Jan 2014 Slow 2x2 2066 5.56 1.60
EEV10 10 Jan 2014 Fast 2x2 1636 6.14 2.61
Red+2 03 Feb 2014 Slow 1x1 3839 4.49 1.07
Red+2 03 Feb 2014 Fast 1x1 3040 6.41 2.28
Red+2 03 Feb 2014 slow 2x2 3931 3.98 1.05
Red+2 03 Feb 2014 Fast 2x2 3106 5.15 2.14
Red+2 13 May 2014 Slow 1x1 3844 3.99 1.14
Red+2 13 May 2014 Fast 1x1 3033 6.48 2.42
Red+2 13 May 2014 Slow 2x2 3945 3.58 1.18
Red+2 13 May 2014 Fast 2x2 3108 5.63 2.40
Red+2 17 July 2014 Slow 1x1 3859 3.30 1.60
Red+2 17 July 2014 Fast 1x1 3044 2.60 3.30
Red+2 20 Aug 2014 Slow 2x2 3950 3.10 1.50
Red+2 20 Aug 2014 Fast 2x2 3114 2.20 3.00
Red+2 20 Aug 2014 Slow 1x1 3862 3.30 1.50
Red+2 20 Aug 2014 Fast 1x1 3049 2.50 3.30
Red+2 06 Nov 2014 Slow 1x1 3867 3.33 1.03
Red+2 06 Nov 2014 Fast 1x1 3060 2.48 2.16
Red+2 01 Dec 2014 Slow 1x1 3865 3.43 1.27
Red+2 01 Dec 2014 Fast 1x1 3067 2.99 2.55
Red+2 29 Dec 2014 Slow 1x1 3872 3.68 1.15
Red+2 29 Dec 2014 Fast 1x1 3063 3.68 2.37
Red+2 04 Feb 2015 Slow 1x1 3869 3.12 0.94
Red+2 04 Feb 2015 Fast 1x1 3065 2.44 1.91
EEV10 02 Mar 2015 Slow 1x1 1859 3.07 1.19
EEV10 02 Mar 2015 Fast 1x1 1366 1.94 2.41
EEV10 02 Mar 2015 Slow 2x2 2102 3.35 3.78
EEV10 02 Mar 2015 Fast 2x2 1662 2.14 2.41
Red+2 10 Mar 2015 Slow 1x1 3871 3.49 1.23
Red+2 10 Mar 2015 Fast 1x1 3067 3.02 2.50
EEV10 11 May 2015 Slow 2x2 2123 4.39 8.25
EEV10 11 May 2015 Fast 2x2 1670 2.53 3.42
EEV10 11 May 2015 Slow 1x1 1887 3.64 1.64
EEV10 11 May 2015 Fast 1x1 1361 2.24 3.31
Red+2 10 May 2015 Slow 2x2 3940 3.61 1.45
Red+2 20 May 2015 Fast 2x2 3113 --- 2.80
Red+2 20 May 2015 Slow 1x1 3876 3.54 0.96
Red+2 20 May 2015 Fast 1x1 3071 4.29 1.92
Red+2 20 Jul 2015 Slow 2x2 3950 2.76 1.59
Red+2 20 Jul 2015 Fast 2x2 3114 1.94 1.88
Red+2 20 Jul 2015 Slow 1x1 3875 2.89 0.96
Red+2 20 Jul 2015 Fast 1x1 3061 2.05 1.95
EEV10 07 Jun 2017 Slow 1x1 1997 3.05 1.34
EEV10 4 Sep 2017 Slow 2x1 2112 3.32 1.36
EEV10 4 Sep 2017 Fast 2x1 1631 2.53 2.72
Red+2 5 Sep 2017 Slow 1x1 3849 3.66 1.04
Red+2 5 Sep 2017 Fast 1x1 2996 2.62 2.13
Red+2 20 Sep 2017 Slow 2x2 3974 2.92 0.95
Red+2 20 Sep 2017 Fast 2x2 3100 1.99 1.96
Red+2 20 Sep 2017 Slow 1x1 3849 3.03 0.98
Red+2 20 Sep 2017 Fast 1x1 2999 2.13 2.09
CCD Date Read mode Binning Bias Noise (ADU) Gain (e-/ ADU)