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You can see an example of a Hertzsprung-Russell diagram to the right.
You all ought to know what a Hertzsprung-Russell diagram looks like.
In the Hertzsprung-Russell diagram these stars are located to the right of the main sequence.
On the Hertzsprung-Russell diagram (left), the star lies slightly above the main sequence.
The red clump is a feature in the Hertzsprung-Russell diagram of stars.
Hertzsprung-Russell diagrams are graphs that measure each star's brightness against its temperature or color.
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.
Stars in this part of the Hertzsprung-Russell diagram are sometimes called clump giants.
Hertzsprung-Russell diagrams are not pictures or maps of the locations of the stars.
These days Hertzsprung-Russell diagrams are used to present stellar evolution in pictures to students.
They are situated at the "extreme horizontal branch" of the Hertzsprung-Russell diagram.
On an Hertzsprung-Russell diagram subdwarfs appear to lie below the main sequence.
There are several forms of the Hertzsprung-Russell diagram, and the nomenclature is not very well defined.
All stars in a given area of a Hertzsprung-Russell diagram share similar luminosities and temperatures.
In 1913, the Hertzsprung-Russell diagram was developed, propelling the astrophysical study of stars.
When a Hertzsprung-Russell diagram is plotted for an open cluster, most stars lie on the main sequence.
They can be plotted on the Hertzsprung-Russell diagram.
It is a Red giant star that has moved off the main sequence line of the Hertzsprung-Russell diagram.
That is, they lie below the main sequence curve on the Hertzsprung-Russell diagram for newly formed stars.
On the Hertzsprung-Russell diagram, it will be found on the asymptotic giant branch.
On the Hertzsprung-Russell diagram, which plots luminosity against temperature, the track is a nearly vertical curve.
Coronal stars are ubiquitous among the stars in the cool half of the Hertzsprung-Russell diagram.
The Hertzsprung-Russell diagram continues to provide the central framework for defining the interface between theory and observation in stellar astronomy.
The Hertzsprung gap is a feature of the Hertzsprung-Russell diagram for a star cluster.
Wörterbuch für Astronomie