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The Formation and Evolution of White Dwarfs

Published online by Cambridge University Press:  25 April 2016

M. S. Bessell
M. S. Bessell*
Affiliation:
Mount Stromlo and Siding Spring Observatories Australian National University
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Extract

A white dwarf is a body of stellar mass, but of planetary dimensions. It is self luminous with a surface temperature that has been observed as high as 70,000 K or as low as 4,000 K. Because of its low surface area the star is far fainter than a main sequence star of the same colour; equally the light it emits is bluer than that from a main sequence star of similar luminosity. Figure 1 is the HR diagram from data obtained by the US Naval Observatory showing the dwarf and white dwarf sequences.

Type
Invited Papers
Information
Publications of the Astronomical Society of Australia , Volume 3 , Issue 3 , 1978 , pp. 220 - 224
Copyright
Copyright © Astronomical Society of Australia 1978

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