Physics — H-R Diagram: Globular Cluster
An old population with a turnoff and horizontal branch.
Make it your own.
title "Globular cluster H-R diagram"
type hr
star "Blue horizontal branch" temp 9000 lum 50 class A
star "Red giant branch tip" temp 4000 lum 2000 class K
star "Turnoff point" temp 6200 lum 3 class F
star "Main sequence dwarf" temp 5000 lum 0.3 class K
star "Old white dwarf" temp 9000 lum 0.005 class D