ING Banner
Home > Astronomy > Detectors > Autoguiders > AG3

AG3 with UltraDAS + SDSU Gen.2

NB these figures refer to AG3 when it was used with a Gen. 2 controller. Converted to Gen. 3 on the 29th May 2007

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

AG3 is assigned to the Naomi Calibration Unit  ( NCU ).

    Speed  Fast
    Bias(ADU) 1540
    Gain(e/ADU) 1.1
    Noise(e) 15
    Noise(ADU) 13.6 15

    Readout time for  NCU optimised window [278:876,162:755] (seconds). 2.2

Windowing is available.

Binning not recommended camera becomes very noisy.

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.

Top | Back

Contact:  (Detectors)
Last modified: 21 November 2010