X-ray calibration of the ROSAT position sensitive proportional counter

Details X-ray calibration of the ROSAT position sensitive proportional counter X-ray calibration of the ROSAT position sensitive proportional counter

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988spie..982..401b&link_type=abstract

IN: X-ray instrumentation in astronomy II; Proceedings of the Meeting, San Diego, CA, Aug. 15-17, 1988 (A89-40276 17-35). Bellin

Astronomy and Astrophysics

Astronomy

12

Calibrating, Proportional Counters, Rosat Mission, X Ray Imagery, X Ray Telescopes, Cathodes, Image Processing, Nonlinearity, Pulse Amplitude, Spectrum Analysis

Scientific paper

The prime focal instrument of the Rosat X-ray telescope, the position-sensitive proportional counter (PSPC), has been calibrated extensively with X-rays in the energy range from 0.28 to 1.7 keV. A method is developed to measure the differential spatial nonlinearities caused by the digitizing effects of the anode and cathode grids, and the bulging of the thin entrance window, and also the position-dependent gain of the counter. From these measurements tables are derived, which are used to correct each single recorded event in position as well as in pulse height.

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