Luminosity Temperature Diagram. The hertzsprung russell diagram hr diagram is one of the most important tools in the study of stellar evolution. Luminosity vs temperature of stars the hertzsprung russell diagram vertical axis.
When stars are plotted on a luminosity vs surface temperature diagram hr diagram several interesting patterns emerge. When we then plot luminosity or absolute brightness versus color or temperature the stars all fall along a narrow strip in the diagram. What is the spectral type luminosity and temperature of star a.
4 most stars 90 are on the main sequence.
Answer the questions using the above hr diagram 1. What is the relationship between temperature and luminosity on the main sequence. Hertzsprung russell diagram simple english wikipedia the free encyclopedia diagram absolute magnitude graphing luminosity temperature diagram. This means that if we measure the luminosity and temperature of a.