Table 2: Fitted centroid energies (in keV) of three prominent line blends in Kepler's SNR after CTI correction as from the integrated spectrum. The errors are in the range $\Delta \chi ^2 < 2.7$ (90% confidence level).
Si K S K Fe K

MOS1 $1.8606\pm{0.0004}$ $2.4465\pm{0.0010}$ $6.4655\pm{0.0050}$

MOS2 $1.8540\pm{0.0004}$ $2.4374\pm{0.0010}$ $6.4374\pm{0.0050}$

pn $1.8471\pm{0.0004}$ $2.4304\pm{0.0009}$ $6.4481\pm{0.0028}$

ASCA $1.854\pm{0.002}$ $2.445\pm{0.003}$ $6.46\pm{0.01}$

**Table 2:** Fitted centroid energies (in keV) of three prominent line blends in Kepler's SNR after CTI correction as from the integrated spectrum. The errors are in the range $\Delta \chi ^2 < 2.7$ (90% confidence level).
	Si K	S K	Fe K
MOS1	$1.8606\pm{0.0004}$	$2.4465\pm{0.0010}$	$6.4655\pm{0.0050}$
MOS2	$1.8540\pm{0.0004}$	$2.4374\pm{0.0010}$	$6.4374\pm{0.0050}$
pn	$1.8471\pm{0.0004}$	$2.4304\pm{0.0009}$	$6.4481\pm{0.0028}$
ASCA	$1.854\pm{0.002}$	$2.445\pm{0.003}$	$6.46\pm{0.01}$

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