Computer Science
Scientific paper
Jul 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008hst..prop11919d&link_type=abstract
HST Proposal ID #11919. Cycle 17
Computer Science
Scientific paper
The UVIS PSF wings will be evaluated at 5 field points {near the field center and corners} in two filters {F275W and F625W} to check for image stability. Subarray images of a moderately bright, isolated star will be obtained at each field position with a series of increasing exposure times designed to permit construction of a very high SNR PSF with dynamic range sufficient to evaluate the wing intensity to >5 arcsec radius. Deep, saturated full field images will also be obtained at each field point to permit evaluation of the wings at larger radii. The images will also permit examination of potential straylight effects, image persistence and electronic cross-talk. This is a repeat of SMOV activity WFC3-25 {program 11438}. The results of the two programs will be compared.;
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