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Home > Astronomy > Detectors > Autoguiders > AG3




AG3 with UltraDAS + SDSU Gen.3



Device Identification

Chip name

AG3

Year of manufacture 2003
Serial number 8461-04-10
First light on La Palma July 2003
Description E2V CCD 47-20-1-A73 with Integral Peltier Cooler

Operational Characteristics

Speed  Fast
Slow
Bias(ADU) 2304
3685

Gain(e/ADU)

0.9

0.4

Noise(e) 11.7
6
Noise(ADU) 13 15
Linearity
60K(1%)

60K(1%)

Readout time for NCU optimised window [278:876,162:755] (s)

2.1
2.8
  

Windowing is available

 

Physical Characteristics

X Pixel size 13 microns
Y Pixel size 13 microns
X size in pixels of digitised area 1072
Y size in pixels of digitised area 977
X size of useful imaging area 1028
Y size of useful imaging area 977
X start of useful imaging area 21
Ystart of useful imaging area 1
Plate Scale (AG3 + NCU ) 0.4" per pixel
Field of view (AG3 +NCU ) 3.3 arcmin

Limiting magnitude

Mv = 22 in 5 seconds



Operational Parameters

Operating temperature 248K
Preferred amplifier Left

Measured Characteristics

Quantum Efficiency

 
 
Dark current <=1e/s ( dependant on dome temperature )
Cosmetics Bright column at 762

First light on Naomi Calibration Unit, a 200ms white light exposure of M13.

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Last modified: 21 November 2010