AG5 with UltraDAS + SDSU Gen.2
NB these figures refer
to AG5 when it was used with a Gen. 2 controller. Converted to Gen. 3 on
the 29th May 2007
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) |
2500
|
3000
|
Gain(e/ADU) |
1.35
|
0.82
|
Noise(e) |
7.2
|
6.4
|
Noise(ADU) |
5.3 |
7.8 |
Linear to(ADU)
|
40K
|
60K
|
Readout time(s) |
|
|
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 |
|
Cosmetics |
none
|
|