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 |
|