INTEGRAL LOGO Key performance parameters of the X-ray Monitor JEM-X


Parameter   Value 
Energy range  3 - 35 keV
Detector area 500 cm^2 (1 unit)
Energy resolution 1.3 keV @ 10 keV
Field of view  4.8 deg (dia) fully coded FOV 
Angular resolution 3 arcmin
Continuum sensitivity
(3 sigma in 10**5 s, @ 6 keV, dE=0.5E)
1.2 x E-4 ph/(s cm² keV)
Line sensitivity
(3 sigma in 10**5 s, @ 6 keV)
1.6 x E-4 ph/(s cm²)
Timing accuracy
(3 sigma)
122 micro-s
Source location (15 sigma isolated source) < 1' (90% confidence)