SPECTRUM /SUM
Keywords: imager

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SPECTRUM /SUM

            [DISPLAY\]SPECTRUM OutSpec InCube [Mask] /SUM
          [/CORNER Imin Imax Jmin Jmax] [/PLANE First Last]

          Indicates that we are computing an integrated spectrum. The result
          corresponds to the integral of the signal over the valid area (sum of
          values times the pixel size in user units).

          /SUM is typically used to compute integrated flux from Jy/Beam
          units. /SUM is exclusive of /MEAN.