Table 3
Typical ROS data per survey field.
| VIS | |
| 4 IE-band nominal exposures | 566 s each |
| 2 IE-band short exposures | 95 s each |
| Bias | 2 per day |
| Dark | 4 per day |
| Flat | 6 per day |
| Trap pumping | 6 per day |
| Charge injection | 8 per day |
| NISP | |
| 4 red-grism spectro exposures | 574 s each |
| 4 YE-band exposures | 112 s each |
| 4 JE-band exposures | 112 s each |
| 4 HE-band exposures | 112 s each |
| 1 Dark | 112 s |
Notes. The total duration of an ROS is 70.2 minutes. About 20 fields are observed per day, cycling through different ROS configurations. While the science exposures (marked with boldface) remain the same, the inline VIS calibrations vary. ROS configurations using the blue grism are used for the Euclid Deep Field (EDF) and Euclid Auxiliary Fields (EAFs) only. Most NISP calibrations are taken outside the ROS during dedicated calibration blocks.
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