Keyword Type Description ------- ---- ----------- only apply to both axes RADEC LOG Display RA/DEC axes SCALE LOG Scale both axes equally WIDTH INT Linewidth for axes FONT INT Font for numeric lables SIZE REAL Character size of numbers BOLD INT Character boldness COLOUR INT Colour index setable for individual axes OPT CHAR Axis options code LO REAL Left limit of axis HI REAL Right limit of axis TICK REAL Spacing of major ticks DIV INT Number of minor divisions between major ticks LOG LOG Logarithmic axis