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Home > Astronomy > Detectors > Autoguiders > AG1

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



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
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

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Last modified: 21 November 2010