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Table 3

Best-fit parameters of the spectra analysis of the 6.4 keV clumps.

Parameters Enhanced region Reference region
Energy (keV) 6.4 (fixed) 6.4 (fixed)
σ (keV) 0 (fixed) 0 (fixed)
Normalization(a) <0.679
Equivalent width(b) 549 212

Energy (keV) 6.68 (fixed) 6.68 (fixed)
σ (keV) 0.023 (fixed) 0.023 (fixed)
Normalization
Equivalent width 275 504

Energy (keV) 6.97 (fixed) 6.97 (fixed)
σ (keV) 0 (fixed) 0 (fixed)
Normalization <0.578
Equivalent width 224 172

Notes. Errors and upper limits are given at 90% C.L. (a)Photon flux in units of 10−5 photons cm−2 s−1, (b)keV at a 95% significance level.

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