Calibration and preliminary results on the performance of the XMM EPIC PN camera: timing modes

Details Calibration and preliminary results on the performance of the XMM EPIC PN camera: timing modes Calibration and preliminary results on the performance of the XMM EPIC PN camera: timing modes

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3445...50k&link_type=abstract

Proc. SPIE Vol. 3445, p. 50-59, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy IX, Oswald H. Siegmund; Mark A. Gummin;

Astronomy and Astrophysics

Astronomy

1

Scientific paper

The pm-CCD camera is one of the three focal plane instruments of the European Photon Imaging Camera (EPIC) on board the x-ray multi mirror (XMM) mission scheduled for launch in August 1999. The detector consists of four quadrants of three pn-CCDs each, which are integrate don one 4 inch silicon wafer. Each CCD has 200 by 64 pixels with 280 micrometers depletion depth. One CCD of a quadrant is readout at a time, while the four quadrants can be processed independently of each other. Observations of point sources brighter than 11 mCrab in imaging mode will be effected by photon pile-up. However, special operating modes can be used to observe bright sources up to 150 mCrab in Timing Mode with 30 microsecond(s) time resolution and very bright sources up to several Crab in Burst Mode with 7 microsecond(s) time resolution. We have tested and calibrate the flight model FM of the EPIC pn-CCD camera at the long beam test facility Panter near Munich and at the synchrotron monochromators of the Institut d'Astrophysique Spatiale in Orsay, France. In this paper describe the calibration of the pn-CCD detector in high time resolution/bright source operating modes and present preliminary results on the performance in these modes.

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