Fig. 1
Chandra continuum subtracted flux maps of the neutral Fe K emission line at 6.4 keV. (Left) 1999−2011 mosaic smoothed using a 4 arcsec gaussian kernel (only observation 3392 has been kept among 2002 observations to keep the time coverage as uniform as possible). The emission of the region is mainly distributed in five distinct features named MC1, MC2, Br1, Br2 and G0.11-0.11 but fainter structures are also visible. (Right) 2011 mosaic smoothed to 6 arcsec because of the lower statistics on this second map. MC1, Br1 and Br2 are very bright while the other two clouds are faint.
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