set xlab "t/M_{sun}"
set ylab "{/Symbol y}_4"

set key left

set term postscript solid color enhanced lw 2 eps "" 24
set output "| epstopdf -f >mp_Psi4_l2_m2_r300.00.pdf"
plot "mp_Psi4_l2_m2_r300.00.asc" u 1:2 w l t "{/Symbol y}_4^{2,2}"

set output "| convert -flatten eps:- mp_Psi4_l2_m2_r300.00.png"
plot "mp_Psi4_l2_m2_r300.00.asc" u 1:2 w l t "{/Symbol y}_4^{2,2}"