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Fig. 3
Exemplified ACIS-S spectra from one bin in W49B fitted with one component (vapec; left: 
) and two components (apec in blue dashed line plus vapec in black dotted line; right: 
) models, respectively. The black, red, and green data correspond to the spectra from the observations 13 440, 13 441, and 117, respectively.
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