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Дата изменения: Mon Jul 9 04:25:09 2007
Дата индексирования: Sat Dec 22 08:45:33 2007
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Methods XMM-Newton SAS Home Page
XMM-Newton Science Analysis System


espfilt (espfilt-0.8.2) [xmmsas_20070708_1801-7.1.0]

Main loop Description Cleaning lightcurves Home Index

Meta Index / Home Page / Description


Methods

Currently, only the Corner Method described above operates as required. This method effectively cuts the light curve at some number of sigma above the mean nominal level.

One future ``method'' may include one that determines a fixed count rate plus some ``delta''. In this case, the high energy count rate, say 8-12 keV, is created and the user selects an appropriate threshold. This will be the ``delta method''. This method should be able to select the light curve produced by the PPS which are point source excluded (*FBKTSR* files).

The other future method performs a ratio screening which compares the count-rate per unit area in the obscured corners of the detector to the same in the FOV using the 8-12 keV band.

The task leaves open the possibility to add new "methods" in future releases.



XMM-Newton SOC/SSC -- 2007-07-09