Here are relevant prior publications about ACIS and XIS instrument performance, on the ground and in orbit.
New CTI Correction Method for the Spaced-Row Charge Injection of the Suzaku X-Ray Imaging Spectrometer Uchiyama, H., Ozawa, M., Matsumoto, H., et al. 2009, PASJ, 61, 9 Energy-Scale Calibration of the Suzaku X-Ray Imaging Spectrometer Using the Checker Flag Charge Injection Technique in Orbit Ozawa, M., Uchiyama, H., Matsumoto, H., et al. 2009, PASJ, 61, 1 Reproducibility of Non-X-Ray Background for the X-Ray Imaging Spectrometer aboard Suzaku Tawa, N., Hayashida, K., Nagai, M., et al. 2008, PASJ, 60, 11 Performance of the Charge-Injection Capability of Suzaku XIS Nakajima, H., Yamaguchi, H., Matsumoto, H., et al. 2008, PASJ, 60, 1 The SMC SNR 1E0102.2-7219 as a Calibration Standard for X-ray Astronomy in the 0.3-2.5 keV Bandpass Plucinsky, P. P., Haberl, F., Dewey, D., et al. 2008, SPIE, 7011 (arXiv:0807.2176) Mitigating CCD radiation damage with charge injection: first flight results from Suzaku Bautz, M. W., LaMarr, B. J., Miller, E. D., et al. 2007, SPIE, 6686 The onboard calibration for the spaced-row charge injection of the Suzaku XIS Uchiyama, H., Hyodo, Y., Yamaguchi, H., et al. 2007, SPIE, 6686 Orbital Calibration of the XIS Hayashida, K., Torii, K., Namiki, M., et al. 2007, Progress of Theoretical Physics Supplement, 169, 316 X-Ray Imaging Spectrometer (XIS) on Board Suzaku Koyama, K., Tsunemi, H., Dotani, T., et al. 2007, PASJ, 59, 23 Front- and back-illuminated x-ray CCD performance in low- and high-Earth orbit: performance trends of Suzaku XIS and Chandra ACIS detectors LaMarr, Beverly; Grant, Catherine; Kissel, Steve; Prigozhin, Gregory; Bautz, Mark; Tsuru, Takeshi Go; Tsunemi, Hiroshi; Dotani, Tadayasu; Hayashida, Kiyoshi; Matsumoto, Hironori 2008SPIE.7011E..66L [^2008_lamarretal.pdf] Bev 2006 SPIE for 1st year of on-orbit monitoring, pre-CI Flight calibration of the Suzaku XIS using the charge injection technique Ozawa, Midori; Uchiyama, Hideki; Nakajima, Hiroshi; Mori, Hideyuki; Matsumoto, Hironori; Tsuru, Takeshi Go; Koyama, Katsuji; Uchino, Masahiro; Hayashida, Kiyoshi; Tsunemi, Hiroshi; and 7 coauthors 2008SPIE.7011E..65O Using ACIS on the Chandra X-ray Observatory as a particle radiation monitor Grant, C. E.; Lamarr, B.; Bautz, M. W.; O'Dell, S. L. 2010SPIE.7732E..80G