Performance Requirements
| Baseline Mission Characteristics | |
| Overall Band Pass | 0.3 to 40 keV |
| Effective area |
1,000 cm2 over 0.3-10 keV 150 cm2 at 10-40 keV 15,000 cm2 at 1.25 keV 6,000 cm2 at 6.0 keV |
| Spectral resolving power (FWHM,E/ΔE) |
1250 over 0.3-1 keV 300 over 1-10 keV in central 2.5 arcmin only 2400 at 6 keV in central 2.5 arcmin only 10 over 10-40 keV |
| Angular resolution |
15 arcsec over 0.3-7 keV 30 arcsec over 7-40 keV |
| Field of View (FOV) | 5 arcmin on a side |
| Mission lifetime | 5 years, consumables for 10 years |
