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GMOS-S Gain and Read Noise Values

The table below gives gain/read-noise values for the current GMOS Hamamatsu CCDs measured in September 2014.

Note: GMOS South data obtained before May 19, 2014 should use the previous gain/read-noise values.

SDSU Gain number

Normal Science

mode (2)

Acquisition

mode (6)

Bright target 

mode (5)

CCD

Sci

Ext 

Amp. name Gain Noise Gain Noise Gain Noise
1 1 BI5-36-4k-2,4 1.62 4.03  1.41   6.12  5.10 7.76
1 2 BI5-36-4k-2,3 1.70 4.25  1.45 6.54 5.36 8.18
1 3 BI5-36-4k-2,2 1.73 4.00 1.48 6.01 5.34 7.93 
1 4 BI5-36-4k-2,1 1.65 4.24 1.43 6.66 5.20 8.68 
2 5 BI11-33-4k-1,4 1.74 3.80 1.51 5.24  5.48 7.75 
2 6 BI11-33-4k-1,3 1.68 3.98  1.46 5.48  5.27 7.79 
2 7 BI11-33-4k-1,2 1.69 3.83 1.45 4.90  5.36 7.65 
2 8 BI11-33-4k-1,1 1.66 4.12 1.44 4.86  5.14 7.53 
3 9 BI12-34-4k-1,4  1.61 3.51 1.39 4.97 5.13 7.32 
3 10 BI12-34-4k-1,3  1.51 3.25 1.30 5.07 4.74 7.11 
3 11 BI12-34-4k-1,2 1.51 3.35  1.31 5.07 4.72 6.85 
3 12 BI12-34-4k-1,1 1.52 3.45  1.31 5.69  4.83 7.48 
Ave      1.64 3.82  1.41 5.55  5.14  7.67 

 


Last update September 4 2014: German Gimeno