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| Home > Astronomy > Detectors > RED+ |
Operational Characteristics
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| Speed | Slow | Fast |
| Bias(ADU) | 1460 | 1435 |
| Gain(e/ADU) | 0.98 |
1.9 |
| Noise(e) | 3.4 to 4.4 |
5.7 to 6.7 |
| Noise (ADU) | 3.5 to 4.5 | 3.0 to 3.5 |
| Linear to(ADU) {also see graphs below} |
<1% to 60K |
<1% to 60K |
| Readout time(s) | 46 |
29 |
The detector noise will be somewhere in the range of values shown above, these values were measured at the telescope.
Windowing : available with no reduction in performance
Binning : available with no reduction in performance
| Vertical CTE | 0.99999 |
| Horizontal CTE | 0.999984 (marginal) |
Physical Characteristics
| X Pixel size | 15 microns |
| Y Pixel size | 15 microns |
| X size in pixels of digitised area | 2148 |
| Y size in pixels of digitised area | 4200 |
| X size of useful imaging area | 2048 |
| Y size of useful imaging area | 4096 |
| X start of useful imaging area | 50 |
| Ystart of useful imaging area | 1 |
| LN2 capacity of cryostat | 2.5 litres |
| Cryostat window thickness | 4 mm |
| Distance from window to CCD | |
| Cryostat window size | 30 mm x 60 mm |
Operational Parameters
| Flooding type | none |
| Operating temperature | 158K |
| Cool down time | 4 hours see graph |
| Preferred amplifier | LEFT |
Measured Characteristics
| Dark current | <8e/hour |
| Cosmetics | dark column: 85,1249 bright defects: none |
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