Hertzsprung-Russell Diagram (unannotated)

In the Hertzprung-Russell diagram the temperatures of stars are plotted against their luminosities. The position of a star in the diagram provides information about its present stage and its mass. Stars that burn hydrogen into helium lie on the diagonal branch, the so-called main sequence. Red dwarfs like AB Doradus C lie in the cool and faint corner. AB Dor C has itself a temperature of about 3,000 degrees and a luminosity which is 0.2% that of the Sun. When a star exhausts all the hydrogen, it leaves the main sequence and becomes a red giant or a supergiant, depending on its mass (AB Doradus C will never leave the main sequence since it burns so little hydrogen). Stars with the mass of the Sun which have burnt all their fuel evolve finally into a white dwarf (left low corner).

Credit:

ESO

About the Image

Id:eso0728d
Type:Chart
Release date:7 February 2014, 12:42
Related releases:eso0728
Size:2663 x 2658 px

About the Object

Name: HR Diagram, Hertzsprung–Russell diagram, Stars
Type:• Unspecified : Star
• X - Stars

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