XMM-Newton Science Analysis System


swcx (swcx-0.16.2) [xmmsas_20230412_1735-21.0.0]

Algorithm

Read params
Open input SPECTRAL file, extract EXPOSURE, BACKSCAL.
Open input template IMAGE file, extract keywords and 2D array. 
Configure lines and gaussian normalization (gnorm) values. 
Open and read RMF.
Open and read ARF.
Loop through selected lines chosen from OVII OVIII OVIIIB NEIX MGXI.
 call CAL_swcxmap to get selected swcxMAP corresponding to that line.
 rnorm = gnorms(line) * area (from ARF) * exposure (from SPEC) * backscal
 calculate fractional area (frac) from RMF MATRIX 
 rnorm = frac * rnorm / total_swcx_exposure
 do i=1,780
  do j=1,780
   outSWCXmap(i,j) = outSWCXmap(i,j) + rnorm*swcxMAP(i,j)
  enddo
 enddo
endLoop
Mask chips if desired (ccd not selected)
Create output fits image based on template (copying Attributes).