TABLE 1

LSF Widths (FWHM) at Different Counting Rates

LSF width (FWHM)Counting rate (kcps)
601004001,0001,6002,0002,4003,000
FWHM (relative to 60 kcps)11.081.151.311.381.461.541.59
FWTM (relative to FWHM)2.082.031.81.92.052.072.022.1
Ideal FWHM (relative)1111.021.051.081.111.14
Extra deviation (FWHM/ideal FWHM)11.081.151.291.321.361.391.39