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HERTZPRUNG, Enjar

Visiting Professional  Astronomer

Index:

Summary; History; Instruments; Source; Links

In brief :
Famous for:
He, independently  from Henry Norris Russel, around 1913, had first put forward the idea that later became known as the Hertzsprung - Russel Diagram. [Mitton]
In 1973 Hertzsprung was the recipient of the Bruce Medal.


Summary:
The  first astronomer to be sent by Leiden to the Union Observatory. (Approximately 1938)
Historical background :
History:
The  graph developed by him displays the magnitude (luminosity)  /colour (temperature/ spectral type) relationship between any sample of stars.

Career:

Personal:

Instruments:

Link to the Telescope Manufacturers.

Sources:

Link to the Main Bibliography Section and more information about Sources.
Remaining  Artifacts:

Bibliography:
Mitton,  J., A Concise Dictionary of Astronomy, 1991, OUP. 
Smits, P., A Brief History of Astronomy in Southern Africa. (Unpublished)

By Hertzsprung:
Links:

Related External Links:
HR Diagram and Stellar Evolution
Encyclopedia of Astronomy and Astrophysics:
Bruce Medal:
Obituary:

 
Interesting Links:
Link to Objects Lost and / or Found.
Link to a short History of Astronomy in Southern Africa.
Link to a Time Line to see how Events on this page relates to the bigger time dimension.
Link to view the Achievements and other Interesting Aspects of Southern African Astronomers.
Link to the Telescope Manufacturers.
Link to the Main Bibliography Section and more information about Sources and the Archive.

Director Historical Section: Chris de Coning - siriusa@absamail.co.za

Webmaster: Christian Hettlage - webmaster@assa.saao.ac.za