WFC3 TV3 Testing: UVIS Filtered Throughput

Details WFC3 TV3 Testing: UVIS Filtered Throughput WFC3 TV3 Testing: UVIS Filtered Throughput

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008wfc..rept....8b&link_type=abstract

Instrument Science Report WFC3 2008-08, 4 pages

Computer Science

Hubble Space Telescope, Hst, Space Telescope Science Institute, Wide Field Camera 3, Wfc3, Thermal Vacuum Testing, Uvis Flight Detector

Scientific paper

During the most recent WFC3 thermal vacuum (TV) testing campaign, several tests were executed to measure the UVIS channel throughput through its 62 filters. These tests complement the tests of the UVIS channel system throughput, which is done without a filter in the beam (i.e., the CLEAR mode). The UVIS filter transmissions were already well-characterized by scans of the filters at JPL and GSFC, so the filtered tests here are geared toward verification instead of characterization. Most of the filters showed good agreement with previous scans, two narrow-band filters (F280N and FQ232N) showed discrepancies at the level of ~15-20%, perhaps due to inaccuracies in the monochromator of the optical stimulus used in these tests. As in previous tests, the F775W filter transmission was 15% higher than expected.

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