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Hubble Space Telescope
December 2012 STAN

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| STScI Analysis Newsletter (STAN) 
| Cosmic Origins Spectrograph (COS)
| Space Telescope Imaging Spectrograph (STIS) 
| December 2012
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In this Newsletter we provide some updates of interest to 
COS and STIS users who will be drafting and submitting Phase 1 
HST programs over the next several weeks.  

Contents:


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COS now offers resolutions of 8,000 - 12,000 between 900 and 1100 

STScI is pleased to announce that the spectral resolution of the COS G130M 
1055 and 1096 central wavelength settings has been dramatically improved.


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Exposure Time and S/N calculated by the ETC for the G130M/1055 
and G130M/1096 Settings are not correct

ETC 21.1 was release to assist users in preparing Cycle 21 Phase I 
proposals. In this new version the exposure times may be 
underestimated by as much as a factor of 4, and S/N may be 
overestimated by as much as a factor of 2 for the G130M/1055 and 
G130M/1096 settings. 


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Change to COS FUV Pulse Height Filtering to Lower the Observed Dark Rate

A new Pulse Height Parameters Table reference file (PHATAB) was 
delivered for use in On the Fly Reprocessing (OTFR) on December 3, 2012


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