AG5 with UltraDAS + SDSU Gen.3
Device Identification
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. |
Operational Parameters
Operating temperature |
243K |
Preferred amplifier |
Left |
Measured Characteristics
Quantum Efficiency
Dark current |
|
Cosmetics |
none |
|