Top panel: astrometry shifts in Galactic longitude (x axis) and latitude (y axis), estimated for each tile in arcseconds. Crosses are for PACS tiles while triangles are for SPIRE tiles. The error bars represent the rms of the source coordinates used to estimate the offset corrections with respect to their respective mean value. Bottom panels: histograms of the rms of the longitude (full lines) and latitude (dashed lines) shifts estimated for PACS (left panel) and SPIRE (right panel).
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