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| Home > Astronomy > Detectors > Autoguiders > AG3 |
Operational Characteristics
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| 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 (f/11) with optical derotator | 0.05772 arcsec/pixel |
| Field of view (f/11) with optical derotator | 59 arcsec |
| Limiting magnitude | Mv = 22 in 5 seconds |
| For reference only, the plate scale and FOV with the IR derotator and now decommissioned Naomi NCU were 0.4 arcsec/pixel and 3,3 arcmin. |
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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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