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| Space Telescope Science Institute |
| WFC3 Instrument Handbook |
| help@stsci.edu |
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Figure A.106: Integrated system throughput for F689M.Figure A.107: Point source S/N vs. V+ABν for the F689M filter.Top curves are for low sky; bottom curves are for average sky.Figure A.108: Extended source S/N vs. V+ABν for the F689M filter, assuming high sky backgrounds and a source uniformly filling a 1 arcsec2 aperture.
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