On the Hertzsprung-Russell diagram (left), the star lies slightly above the main sequence.
These days Hertzsprung-Russell diagrams are used to present stellar evolution in pictures to students.
In the Hertzsprung-Russell diagram these stars are located to the right of the main sequence.
The figure locates most of them in the Hertzsprung-Russell diagram together with some others observed from the ground.
Hayashi tracks on the Hertzsprung-Russell diagram are named after him.
The red clump is a feature in the Hertzsprung-Russell diagram of stars.
Stars in this part of the Hertzsprung-Russell diagram are sometimes called clump giants.
In the standard Hertzsprung-Russell diagram, these stars lie above and to the right of the main sequence.
Hertzsprung-Russell diagrams are graphs that measure each star's brightness against its temperature or color.
Hertzsprung-Russell diagrams are not pictures or maps of the locations of the stars.
Słownik astronomiczny