Improving Chandra High-Resolution Camera event positions via corrections to crossed-grid charge detector signals

Details Improving Chandra High-Resolution Camera event positions via corrections to crossed-grid charge detector signals Improving Chandra High-Resolution Camera event positions via corrections to crossed-grid charge detector signals

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4140..155j&link_type=abstract

Proc. SPIE Vol. 4140, p. 155-165, X-Ray and Gamma-Ray Instrumentation for Astronomy XI, Kathryn A. Flanagan; Oswald H. Siegmund;

Astronomy and Astrophysics

Astronomy

2

Scientific paper

The High Resolution Camera (HRC) on-board the Chandra X-ray Observatory (CXO) provides the highest resolution X-ray images of celestial sources ever taken. Unfortunately, ringing in the electronics compromises the position readout signals for some of the events. The compromised signals affect the angular resolution that can be achieved. We present an empirically derived algorithm that can be used in ground processing of the data to minimize the impact of the ringing on the calculated event positions.

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