STIS CCD Anneal Results

Details STIS CCD Anneal Results STIS CCD Anneal Results

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009stis.rept....1w&link_type=abstract

Instrument Science Report STIS 2009-01, 15 pages

Physics

Hubble Space Telescope, Hst, Space Telescope Science Institute, Stis, Space Telescope Imaging Spectrograph

Scientific paper

In this ISR we give the results of the monitoring program for the STIS CCD average dark current and annealing accumulated during the lifetime of STIS (February 1997 to August 2004). This program consists of monitors of darks, biases, the growth of hot pixels, and the effect that annealing has on the elimination of these hot pixels. We find that the STIS CCD grew a number of hot persistent pixels (i.e., hot pixels which do not anneal away), and that it continued to grow hot pixels at a consistent rate before and after the switch from Side-1 electronics to Side-2 electronics. We also find that the STIS CCD annealed away new hot pixels at the ~81% rate when running under Side 1, and ~48% rate when running under Side 2.

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