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Дата изменения: Tue Nov 23 00:44:03 2004
Дата индексирования: Sat Dec 22 08:16:16 2007
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XMM-Newton Science Analysis System


emchain (emchain-11.4.7) [xmmsas_20041122_1834-6.1.0]

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Examples

emchain takes some time to run. It is usually better run as a batch job (at command). Here are a few examples of how to use it. They assume that the SAS_CCF environment variable was set to the relevant Calibration Index File.

• Standard run (get calibrated event files from an ODF located in your_odf_dir), sending the output to a log file:

        emchain odf=your_odf_dir 2> emchain.log  (sh shell)
        emchain odf=your_odf_dir >& emchain.log  (csh shell)
  

• Same, but getting the bad pixels from the CCF instead of the data and applying attitude and HK GTIs:

        emchain odf=your_odf_dir badpixfindalgo=NO filteratt=Y filterhk=Y
  

• Select particular exposure, instrument and CCDs, keep intermediate files and stop at first error:

        emchain instruments=M2 exposures=S002 ccds='1 3 4' stoponerror=Y  \
                keepintermediate=Y
  

• Keep events flagged for rejection and all original columns in the ODF, apply user GTI and no TIME randomization:

        emchain rejectbadevents=N fulloutput=Y randomize='PE' ingtiset=hkgti.ds
  

• Rebuild the flare GTI files with different settings, keep them exposure specific and add the WEIGHT column:

        emchain runccdloop=N runevlistcomb=N addvigweight=Y  \
                globalflare=N flaretimebin=104 flaremaxrate=1.2
  

• Run attcalc with fixed attitude:

        emchain attcalc:attitudelabel=fixed attcalc:fixedra=204.6877  \
                attcalc:fixeddec=-27.6984 attcalc:fixedposangle=59.378
  

• Specify source position manually (instead of using RA_OBJ and DEC_OBJ) for Timing mode:

        emchain emframes:withsrccoords=Y  \
                emframes:srcra=204.6877 emframes:srcdec=-27.6984
  

• Run bad pixels finder on existing intermediate files:

        rm badpix*.out.mos evmap.in.mos medmap.in.mos
        emchain startfromodf=N clobber=N stopafterbadpixfind=Y
  

• Regenerate event files, using new bad pixels files and intermediate files (this will remove the intermediate files on successful output):

        rm event*.out.mos
        emchain startfromodf=N
  

• Relaunch emchain after an error which occurred on MOS 2, exposure 4, using already existing intermediate files:

        rm PooooooooooM2S004*.FIT 
        emchain instruments=M2 exposures=4 clobber=N