MX Variables:

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MX Variables:

            The list of control variables is (by alphabetic order, with the cor-
        responding old names used by Mapping on the right)

        New names       [   unit]       -- Description --    % Old Name
        BEAM_STEP       [       ]  Channels per dirty beam  % MAP_BEAM_STEP
        MAP_CELL        [ arcsec]  Image pixel size
        MAP_CENTER      [ string]  RA, Dec of map center, and Position Angle
        MAP_CONVOLUTION [       ]  Convolution function     % CONVOLUTION
        MAP_FIELD       [ arcsec]  Map field of view
        MAP_POWER       [       ]  Maximum exponent of 3 and 5 allowed in MAP_SIZE
        MAP_PRECIS      [       ]  Fraction of pixel tolerance on beam matching
        MAP_ROBUST      [       ]  Robustness factor        % UV_CELL[2]
        MAP_ROUNDING    [       ]  Precision of MAP_SIZE
        MAP_SIZE        [       ]  Number of pixels
        MAP_TAPEREXPO   [       ]  Taper exponent           % TAPER_EXPO
        MAP_TRUNCATE    [      %]  Mosaic truncation level
        MAP_UVCELL      [      m]  UV cell size             % UV_CELL[1]
        MAP_UVTAPER     [m,m,deg]  Gaussian taper           % UV_TAPER
        MAP_VERSION     [       ]  Code version (0 new, -1 old)

        Basic CLEAN parameters
        CLEAN_GAIN       [       ] Loop gain
        CLEAN_STOP       [       ] Stopping criterium (string)
        CLEAN_NITER      [       ] Maximum number of clean components
        CLEAN_FRES       [      %] Maximum value of residual (Fraction of peak)
        CLEAN_ARES       [Jy/Beam] Maximum value of residual (Absolute)
        CLEAN_POSITIVE   [       ] Minimum number of positive components at start
        CLEAN_NKEEP      [       ] Min number of components before convergence

        Clean beam user specification
        BEAM_SIZE       [ 0 0 0 ] Major, Minor (in arcsec) and PA (in Degree)

        Method dependent CLEAN parameters
        CLEAN_INFLATE    [      ] Maximum Inflation factor for UV_RESTORE (MULTISCAL
        CLEAN_NCYCLE     [      ] Max number of Major Cycles (SDI & CLARK methods)
        CLEAN_NGOAL      [      ] Max number of comp. in Cycles (ALMA method)
        CLEAN_RATIO      [      ] Smoothing factor (MRC default 0: guess, otherwise
        CLEAN_SEARCH     [      ] Threshold to search Clean Comp. in a Mosaic (def 0
        CLEAN_SIDELOBE   [      ] Min threshold to fit the synthesized beam
        CLEAN_SMOOTH     [      ] Smoothing ratio: MRC (def 2 or 4)  and MULTISCALE
        CLEAN_SPEEDY     [      ] Speed-up factor (CLARK)
        CLEAN_TRUNCATE   [      ] Threshold for restoring a Mosaic (def 0.2)
        CLEAN_WORRY      [      ] Worry factor (CLARK and MULTISCALE)

        Old (seldom used) names like in MAPPING
        BLC              [  pixel] Bottom left corner of cleaning box
        TRC              [  pixel] Top right corner of cleaning box
        BEAM_PATCH       [  pixel] Size of cleaning beam ** not clear **

        Restoration control CLEAN parameters
        CLEAN_RESIDUAL   [-1,0,1]  Control how residuals are added or not - For debu