Results of WFC3 Thermal Vacuum Testing: IR Channel Readnoise

Details Results of WFC3 Thermal Vacuum Testing: IR Channel Readnoise Results of WFC3 Thermal Vacuum Testing: IR Channel Readnoise

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005wfc..rept...15h&link_type=abstract

Instrument Science Report WFC3 2005-15, 6 pages

Physics

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

Scientific paper

During WFC3's initial thermal vacuum testing campaign in September and October 2004, the readout noise levels for the IR channel were measured. Readnoise values from both full frame and subarray ramps were in agreement with readnoise values previously measured on FPA64 at the Detector Characterization Lab (DCL). Using data from the IR01 and IR05 tests in thermal vacuum testing, WFC3's IR channel readnoise is between 19.5 e- /pix and 22.5 e-/pix for correlated double sampling (CDS), regardless of array size. The CEI Spec for IR channel CDS readnoise is 15 e-/pix.

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