set output 'compare_effect_b.ps' 
set term postscript enhanced color 'Helvetica,18'  
set grid 
set key top left 
set xlabel 'Redshift z ' 
set ylabel 'distance modulus (mag) ' 
set title 'Photon-counting luminosity distance ' 
plot [0.0001:2.0][-0.20:0.2] './delta_lumdist_00.30_00.50.dat' using 1:($5-$11 )  with lines   lt 1 lc 1 lw 3       t '{/Symbol W}_M = 0.3, {/Symbol W}_{/Symbol L} = 0.5 '   ,   './delta_lumdist_00.20_00.50.dat' using 1:($5-$11)   with lines   lt 1 lc 2 lw 3       t '{/Symbol W}_M = 0.2, {/Symbol W}_{/Symbol L} = 0.5 '   ,   './delta_lumdist_00.30_00.60.dat' using 1:($5-$11)   with lines   lt 1 lc 3 lw 3       t '{/Symbol W}_M = 0.3, {/Symbol W}_{/Symbol L} = 0.6 '   ,   './delta_lumdist_00.40_00.50.dat' using 1:($5-$11)   with lines   lt 1 lc 4 lw 3       t '{/Symbol W}_M = 0.4, {/Symbol W}_{/Symbol L} = 0.5 '   ,   './delta_lumdist_00.30_00.40.dat' using 1:($5-$11)   with lines   lt 1 lc 5 lw 3       t '{/Symbol W}_M = 0.3, {/Symbol W}_{/Symbol L} = 0.4 '   
set output 
quit 
