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[About EXOSAT] [Archive] [Software] [Gallery] [Publications] Performance Characteristics (LE) Low Energy Experiments Characteristics/Telescope Energy Range 0.04-2 keV (6-300Å) CMA's* Energy Resolution Five filters are available for broad-band spectroscopy Field of view 2.2° diameter Effective Area Thin Lexan Filter Al/P Filter Boron Filter .05 keV 0.2 0.3 - .1 keV 4.0 1.5 - .5 keV 0.8 1.0 - 1 keV 2.0 2.0 1.2 1.5 keV 2.0 2.0 1.8 2.0 keV 0.5 0.5 0.5 Spatial Resolution (Line Spread function HEW) On axis ~18 arc seconds 20 arc minutes off-axis ~40 arc seconds Average steady residual background** 1.8 cnts/sec/cm2(LE1) 2.8 cnts/sec/cm2(LE2) Grating A 500 lines/mm grating is available for high resolution spectroscopy on LE2 = 1 Å ( 40 Å) and 5 Å for = 300 Å * Subject to UV contamination between 900 - 2600 Å ** Background rate subject to flaring [About EXOSAT] [Archive] [Software] [Gallery] [Publications] HEASARC Home | Observatories | Archive | Calibration | Software | Tools | Students/Teachers/Public Last modified: Thursday, 26-Jun-2003 13:48:32 EDT