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Standard AG5 performance shown below. If the AG5 head is used with
a shorter cable and started up under uDAS as AG5XF then much faster
performance is possible. This could be useful for fast photometry observations.
Chip name
AG5
Year of manufacture
2005
Serial number
8383-10-18
First light on La Palma
October 2005
Description
E2V CCD 57-10-1-431 with Integral Peltier Cooler
Operational Characteristics
Speed
Fast
Slow
Bias(ADU)
1266
3000
Gain(e/ADU)
1.35
0.69
Noise(e)
6.8
6.5
Noise(ADU)
5.1
9.5
Linear to(ADU)
50K
60K
Readout time(s)
Windowing
Physical Characteristics
X Pixel size
13 microns
Y Pixel size
13 microns
X size in pixels of digitised area
560
Y size in pixels of digitised area
536
X size of useful imaging area
535
Y size of useful imaging area
528
X start of useful imaging area
13
Ystart of useful imaging area
1
Limiting Magnitude
At cass. with a clear filter the limiting magnitude is
approx. Mag 21 for a 5 s exposure.