Name

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      FTADDCOL

Purpose

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      Routine to add a field to a FITS ASCII table

Calling Sequence

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      ftaddcol, h, tab, name, idltype, [ tform, tunit, tscal, tzero, tnull ]

Inputs

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      h - FITS table header. It will be updated as appropriate
      tab - FITS table array. Number of columns will be increased if
              neccessary.
      name - field name, scalar string
      idltype - idl data type (as returned by SIZE function) for field,
              For string data (type=7) use minus the string length.

Optional Inputs

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      tform - format specification 'qww.dd' where q = A, I, E, or D
      tunit - string giving physical units for the column.
      tscal - scale factor
      tzero - zero point for field
      tnull - null value for field
      Use '' as the value of tform,tunit,tscal,tzero,tnull if you want
      the default or no specification of them in the table header.

Outputs

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      h,tab - updated to allow new column of data

Procedures Used

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      FTINFO, FTSIZE, GETTOK(), SXADDPAR

History

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      version 1 D. Lindler July, 1987
      Converted to IDL V5.0 W. Landsman September 1997
      Updated call to new FTINFO W. Landsman April 2000