|Observation strategy for WFI|
Different dithering patterns have been considered, in preparation
for the deep observations, to minimize the imprint of the CCD mosaic gaps.
The figures below show the sampling obtained for the Deep 2-c observations.
Left panel: coverage of each of the areas being surveyed . The dots indicate the center position of the WFI frame. The crosses in the inset shows the corresponding dithering pattern in a series of 5 exposures.
Right panel: number of observations
for each pixel when 65 WFI frames are acquired using the dithering
illustrated in the left panel. Pixels sampled by the smallest number of frames (45) are shown in green, while those samples by the highest number of frames (65) are shown in pink.
The relevant statistics are listed below.
|Observation strategy for SOFI|
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Last update: Apr 27, 2001