Hertzsprung


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Related to Hertzsprung: Hertzsprung gap

Hertzsprung

(Danish hɛrdsbrɔŋ)
n
(Biography) Ejnar (ˈəɪnar). 1873–1967, Danish astronomer: he discovered the existence of giant and dwarf stars, originating one form of the Hertzsprung-Russell diagram
References in periodicals archive ?
In 1927 the Danish astronomer Ejnar Hertzsprung (1873-1967; Figure 13), of Hertzsprung-Russell diagram fame, was examining plates in the archives at Harvard College Observatory.
Careful study of the plate allowed Hertzsprung to rule out defects in the emulsion and no trace of a similar object was found on plates taken either the night before or the night after December 15; several hundred other photographs in the archive also showed nothing unusual.
67) Recalling his observations of the outburst of Comet 17P/Holmes, which, as we noted earlier, Anderson had independently discovered in 1892 November, he wondered whether the object that Hertzsprung had found was also a comet in outburst.
Hertzsprung was an eminent professional astronomer at the height of his career; by contrast Anderson was by then an aged and largely forgotten amateur.
The terms were conied by Danish astronomer Ejnar Hertzsprung.
Halm was soon followed in this concept by Ejnar Hertzsprung who, in 1919, also established a relationship between these two variables [94].
Ejnar Hertzsprung noticed that the colour of Jupiter's satellite Io was orange.