Information of the GSFC mirror



XRT point spread functions



On-axis and Off-axis Effective Area of a GSFC mirror

Table 1 On-axis and off-axis effective area at selected energies in units of cm2.
offaxis0'7'15'
E=0.5keV532314138
E=7.0keV38519765
E=12.0keV80202
Figure 1 The encircled effective area at on-axis and off-axis angle=7' and 15'.


Figure 2 The effective area at on-axis and off-axis angle=7' and 15' integrated within r<1.8 arcmin (78% of the total effective area).

Last update: 2009-06-05