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Last updated on April 18, 2014 at 9:14 EDT
RGS spectra dispersion angle vs CCD pixel energy
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RGS spectra: dispersion angle vs. CCD pixel energy

January 24, 2013
RGS spectra shown as a function of the dispersion angle (x-axis) and the CCD pixel energy (y-axis). The first order spectrum shows up in the brighter, lower bow, the second order is fully separated in the upper bow. The "smudge" on the right is a calibration source.