Left panel: NACO acquisition image of α Cen A and B obtained on 10 April 2004 (the color scale is in ADU). Right panel: ALMA image of α Cen A and B in band 7 (345 GHz) obtained on 7 July 2014 (the color scale is in Jy/beam). The separation of the two stars is 11.12″ in the NACO image and 4.24″ in the ALMA image. The scale and orientation of the two images is the same (north is up and east to the left).
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