National Aeronautics and Space Administration

Figure 4a The components of the PSPC psf versus off-axis angle at 0.188 keV.

Figure 4b The components of the PSPC psf versus off-axis angle at 0.284 keV.

Figure 4c The components of the PSPC psf versus off-axis angle at 0.5 keV.

Figure 4d The components of the PSPC psf versus off-axis angle at 1.0 keV.

Figure 4e The components of the PSPC psf versus off-axis angle at 1.7 keV.