CCD Readnoise VS. Gain
Table of Readnoise vs. Gain for KPNO CCDs
Gain Index Dwell Time (ms) Gain Value (e-/ADU) Noise (e-RMS) Fullwell (ke-)
T2KA 6 15 0.7 3.6 180
5 8 1.4 5.4
4 5 2.1 6.0
3 3 3.6 11.3
2 2 5.1 12.0
1 1.5 7.2 11.9
Gain Index Dwell Time (ms) Gain Value (e-/ADU) Noise (e-RMS) Fullwell (ke-)
T2KB 6 15 1.0 2.8 220
5 8 1.9 4.3
4 5 3.1 5.0
3 3 5.2 6.2
2 2 7.8 8.5
1 1.5 10.4 11.6
Gain Index Dwell Time (ms) Gain Value (e-/ADU) Noise (e-RMS) Fullwell (ke-)
T1KA 6 15 0.6 3.8 250
5 8 1.1 4.7
4 5 1.8 6.2
3 3 3.0 8.5
2 2 4.5 10.7
1 1.5 6.5 13.4
Gain Index Dwell Time (ms) Gain Value (e-/ADU) Noise (e-RMS) Fullwell (ke-)
S2KB 5 15 1.5 5.0 210
4 8 2.3
3 5 4.1
2 3 6.0
1 2 8.0
Gain Index Dwell Time (ms) Gain Value (e-/ADU) Noise (e-RMS) Fullwell (ke-)
F3KB 5 15 1.0 7.7 170
4 8 1.9 8.0
3 5 3.0 9.8
2 3 5.0 10.8
1 2 7.5 13.8
Gain Index Dwell Time (ms) Gain Value (e-/ADU) Noise (e-RMS) Fullwell (ke-)
MARS 5 15 0.9 5.3
4 8 1.7 6.6
3 5 2.7 9.0
2 3 4.5 10.4
1 2 6.8 13.0
Gain Index Dwell Time (ms) Gain Value (e-/ADU) Noise (e-RMS) Fullwell (ke-)
LB1A 5 15 1.4 8.0
4 8 2.5 8.3
3 5 4.1 10.5
2 3 6.8 14.6
1 2 10.2 18.5
Gain Index Dwell Time (ms) Gain Value (e-/ADU) Noise (e-RMS) Fullwell (ke-)
TI5 5 15 2.2 8.0 36
4 8 4.0
3 5 6.5
2 3 10.7
1 2 16.2
Gain Index Dwell Time (ms) Gain Value (e-/ADU) Noise (e-RMS) Fullwell (ke-)
GCAM 5 15 1.4 8.5 80
4 8 2.3 9.2
3 5 3.8 10.4
2 3 5.6 11.0
1 2 7.5 12.1