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| STScI Analysis Newsletter (STAN)
| Cosmic Origins Spectrograph (COS)
| February 2013
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In this Newsletter we provide some updates of interest to
COS users who will be drafting and submitting Phase 1
HST programs over the next weeks.
Contents:
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Update to the dark rates of the COS FUV segments and
impact on ETC calculations for Phase I proposals
The dark rate on both detectors has been evolving with time,
particularly in the last few months, and it is now a factor
of two lower than the value currently used in the ETC for both
segments.
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| The Space Telescope Science Institute is operated by the
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| Inc., under NASA contract NAS5-26555.
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