As many of the quality checks described above can only be done after an initial
run of rgsproc, a decision will be often be made to rerun the
analysis with some adjustments. It might not be necessary to rerun the
whole of rgsproc, which is divided into five different stages that
are alternative entry and exit points. Fig. 35
lays out how individual tasks are grouped within the five stages.
For example, the background GTI file made above would properly be incorporated
at the filter stage as follows
rgsproc auxgtitables=RGS2.background.GTI.FITS \
entrystage=filter finalstage=fluxing
A similar approach could be used to generate spectra as a function of intensity
using the source light curve of Fig. 33.
Other examples involving further runs of rgsproc for multiple or extended
sources are discussed below.
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