WFC3/IR Channel Behavior: Dark Current, Bad Pixels, and Count Non-Linearity

Details WFC3/IR Channel Behavior: Dark Current, Bad Pixels, and Count Non-Linearity WFC3/IR Channel Behavior: Dark Current, Bad Pixels, and Count Non-Linearity

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010hstc.worke..25h&link_type=abstract

"2010 Space Telescope Science Institute Calibration Workshop - Hubble after SM4. Preparing JWST, held 21-23 July 2010 at Space T

Physics

Scientific paper

Using data taken during Servicing Mission Observatory Verification (SMOV) and Cycle 17, we have characterized many aspects of the on-orbit behavior of the IR Channel. We find the mean dark current in the IR channel to be 0.042 e^-/s/pixel. We have also recently finished the creation of a bad pixel mask for the IR detector, which contains a list of pixels with non-nominal behavior that should be ignored in WFC3/IR data analyses. An update to the non-linearity correction file will be produced soon. Analysis of cycle 17 non-linearity calibration data is on-going.

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