This page (revision-10) was last changed on 18-Apr-2021 19:22 by LouisaBradley

This page was created on 17-Oct-2008 12:33 by JianSun

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7 20-May-2010 12:08 4 KB LouisaBradley to previous | to last
6 19-May-2010 15:54 4 KB LouisaBradley to previous | to last
5 13-Aug-2009 14:28 2 KB LouisaBradley to previous | to last Comment by LouisaBradley
4 17-Oct-2008 13:08 2 KB JianSun to previous | to last
3 17-Oct-2008 12:36 2 KB JianSun to previous | to last
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TopBottomHotWarmMaps
TopBottomHotWarmMaps

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At line 44 changed one line
Following an update to the EIS reformatter software (Feb 2010) the 'recovered' data for REGCAL071 and REGCAL072 can now be used to provide hot and warm pixel maps. Previous to this change the recovered data could not be trusted as it did not appear in the correct position of the CCD. When a file is recovered it means that some of the data is missing, in the case of the REGCAL071 and REGCAL072 files (which are FULL CCD exposures) typically a CCD half will be missing, i.e. 25% of the data cannot be used. See the attachment above for an image showing a recovered REGCAL072 file. The remaining 75% of the data can be used and is processed as normal.
Following an update to the EIS reformatter software (Feb 2010) the 'recovered' data for REGCAL071 and REGCAL072 can now be used to provide hot and warm pixel maps. Previous to this change the recovered data could not be trusted as it did not appear in the correct position of the CCD. When a file is recovered it means that some of the data is missing, in the case of the REGCAL071 and REGCAL072 files (which are FULL CCD exposures) typically a CCD half will be missing, i.e. 25% of the data cannot be used. [Click here|http://msslxr.mssl.ucl.ac.uk:8080/eiswiki/attach/TopBottomHotWarmMaps/recovered_regcal072_11May2010.pdf] to see images from a recovered REGCAL072 file. The remaining 75% of the data can be used and is processed as normal.
This page (revision-10) was last changed on 18-Apr-2021 19:22 by LouisaBradleyTop