Electronic Ghost Images Around Soft ROSAT Point Sources

Details Electronic Ghost Images Around Soft ROSAT Point Sources Electronic Ghost Images Around Soft ROSAT Point Sources

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aas...181.4609l&link_type=abstract

American Astronomical Society, 181st AAS Meeting, #46.09; Bulletin of the American Astronomical Society, Vol. 24, p.1196

Astronomy and Astrophysics

Astronomy

2

Scientific paper

The PSPC can not always properly position X-ray events with very low energy. This results in apparent `ghost images', as named in MPE calibration reports. We study this effect using the bright, ultra-soft X-ray source H1504+65 and find that as many as 1/2 of the total events in the lowest two channels are displaced into 8 satellite ghost images. We display the appearance of the images, supply quantitative estimates of the effect, and suggest the kind of scientific inquiries likely to be adversely affected. This research was performed as part of the Penn State Site of the National Science Foundation's Research Experiences for Undergraduates.

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