as-500/hw19/plot.R

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435 B
R

data = read.table("data.tab")
png("plot.png")
plot(
data[,1],
data[,2],
type="l",
lty=1,
log="xy",
xlim=c(1e-2,1e10),
xlab="Hydrogen Density [cm⁻³]",
ylab="Level Population 1D [cm⁻³]"
)
lines(data[,1],data[,3],lty=2)
abline(v=6.78e5,lty=3)
legend(
.5,
1e6,
legend = c("NLTE Steady State","LTE","Critical Density"),
lty=c(1,2,3)
# col=c("blue","green","red")
)
dev.off()