set output 'fake_completeness.ps' 
set term postscript enhanced color 'Helvetica,18'  
set grid 
set key top right 
set xlabel 'Instrumental magnitude' 
set ylabel 'Fraction of fake stars detected' 
set title 'Test of completeness with fake stars'  
plot [12:21][-5:110] 'completeness.dat' using ($3):($11)   with linespoints pt 6 lc 1 lw 2  t ''   
set output 
quit 
