set output 'hubble_fake_8.ps' 
set term postscript enhanced color 'Helvetica,18'  
set grid 
set key top left 
set xlabel 'Log_{10} z ' 
set ylabel 'Distance modulus (mag)' 
set title 'Hubble diagram, version H (log of redshift)  ' 
plot [-2.0:-0.80][] './hubble_fake_rel.dat' using (log10($4)):($3)   every 1 with linespoints  pt 4 ps 0.9 lc 1 lw 3 t ''   
set output 
quit 
