Kavli Affiliate: Marshall W. Bautz
| First 5 Authors: Catherine E. Grant, Catherine E. Grant, , ,
| Summary:
The Advanced X-ray Imaging Satellite (AXIS), an astrophysics NASA probe
mission currently in phase A, will provide high-throughput, high-spatial
resolution X-ray imaging in the 0.3 to 10 keV band. We report on the notional
ground calibration plan for the High Speed Camera on AXIS, which is being
developed at the MIT Kavli Institute for Astrophysics and Space Research using
state-of-the-art CCDs provided by MIT Lincoln Laboratory in combination with an
integrated, high-speed ASIC readout chip from Stanford University. AXIS camera
ground calibration draws on previous experience with X-ray CCD focal plans, in
particular Chandra/ACIS and Suzaku/XIS, utilizing mono-energetic X-ray line
sources to measure spectral resolution and quantum efficiency. Relative quantum
efficiency of the CCDs will be measured against an sCMOS device, with known
absolute calibration from synchrotron measurements. We walk through the
envisioned CCD calibration pipeline and we discuss the observatory-level
science and calibration requirements and how they inform the camera
calibration.
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