Encircled Energy Measurements for the M10 WFC3 1R-MUX Pinhole Images - Set 2

Details Encircled Energy Measurements for the M10 WFC3 1R-MUX Pinhole Images - Set 2 Encircled Energy Measurements for the M10 WFC3 1R-MUX Pinhole Images - Set 2

Jul 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001wfc..rept...14h&link_type=abstract

Instrument Science Report WFC3 2001-14, 7 pages

Physics

Hubble Space Telescope, Hst, Space Telescope Science Institute, Wide Field Camera 3, Wfc3

Scientific paper

The present ISR describes the encircled energy(EE) analysis of pinhole images made on the M10 WFC3 1R-MUX at the Goddard Space Flight Center (GSFC) Detector Characterization Lab (DCL) on 29 May 2001. Analysis shows that the pinhole image's centroid is stable within a 1-pixel area and the 80% of the encircled energy is contained within a radius of 1.08 pixels of the pinhole center, vs. 86% of the energy within 0.83 pixels in the theoretical limit. We analyze the systematic error introduced by the strong undersampling of the PSF showing that the standard centroid analysis overestimates the encircled energy for any given radius.

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