Space Telescope Science Institute
WFC3 Data Handbook 2.1 May 2011
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WFC3 Data Handbook > Chapter 2: WFC3 Data Structure > 2.3 Data Storage Requirements

2.3
Users are reminded to consider the large size of UVIS and IR images when allocating disk space for storing and reprocessing WFC3 data. The sizes of WFC3 data files (in MB) are given in Table 2.6. The following assumptions were made when calculating these sizes:
Table 2.6: Sizes of WFC3 data files.
Sraw
Sima
Scal
Sdrz
The size of the drizzled image (Sdrz) is for a single image that is drizzled only for the purpose of performing geometric corrections and for combining the two UVIS chips. It assumes that the input and output image pixels are approximately the same size (drizzle scale parameter is 1.0).

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