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Table 1
Total exposure time and average IQ of the SNLS 3 year data set.
| # Exp. | Exp. time | Ratio of Selected | Average IQ | |
| (h) | images | (FWHM) | ||
|
|
||||
| D1 | ||||
| g M | 389 | 24 | 99.4% | 0.92″ |
| r M | 559 | 49 | 98.6% | 0.88″ |
| i M | 769 | 104 | 95.6% | 0.84″ |
| z M | 520 | 52 | 97.2% | 0.83″ |
|
|
||||
| D2 | ||||
| g M | 244 | 15 | 94.7% | 0.97″ |
| r M | 379 | 32 | 91.5% | 0.90″ |
| i M | 509 | 68 | 78.7% | 0.85″ |
| z M | 272 | 27 | 94.2% | 0.80″ |
|
|
||||
| D3 | ||||
| g M | 387 | 23 | 96.1% | 0.99″ |
| r M | 496 | 40 | 95.9% | 0.89″ |
| i M | 745 | 88 | 80.6% | 0.90″ |
| z M | 410 | 40 | 98.4% | 0.82″ |
|
|
||||
| D4 | ||||
| g M | 398 | 24 | 97.7% | 0.97″ |
| r M | 551 | 48 | 88.3% | 0.89″ |
| i M | 713 | 94 | 88.7% | 0.85″ |
| z M | 515 | 51 | 93.0% | 0.82″ |
Notes. The selected images are those that pass the quality cuts (see text for details).
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