AG1 with UltraDAS + SDSU Gen.2
NB these figures refer to AG1
when it was used with a Gen. 2 controller. Converted to Gen. 3 on the 29th
May 2007
Device Identification
Chip name |
AG1 |
Year of manufacture |
2004 |
Serial number |
02101-07-13 |
First light on La Palma |
December 2004 |
Description |
E2V CCD 57-10-1-431 with Integral Peltier Cooler |
Operational Characteristics
Speed |
Fast |
Slow |
Bias(ADU) |
2570 |
3900 |
Gain(e/ADU) |
0.8 |
0.4 |
Noise(e) |
5.5 |
4.5 |
Noise(ADU) |
6.9 |
11.3 |
Linear to(ADU)
{also see graphs below} |
45K |
65K |
Readout time(s) |
3 |
4 |
Windowing
Binning
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. |
Operational Parameters
Operating temperature |
243K |
Preferred amplifier |
Left |
Measured Characteristics
Quantum Efficiency
Dark current |
<0.1e/s |
Cosmetics |
none |
|