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The Baade-Wesselink Technique

Published online by Cambridge University Press:  12 April 2016

Thomas J. Moffett
Thomas J. Moffett*
Affiliation:
Department of Physics, Purdue University, West Lafayette, Indiana, 47907

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The historical foundations of the Baade-Wesselink (BW) method were established through the work of Baade (1926), Becker (1940), and Wesselink (1947). All modern versions of the BW-method are constructed upon these foundations. Since the radii of pulsating stars are fundamental to many areas of astronomical research (theories of stellar structure and evolution, galactic structure, and the cosmic distance scale), it is paramount that we strive to improve their observational determination. At the present time, the BW-technique is the only “direct” method for determining the radii of pulsating stars. Until a new technique is devised, better determinations of this important physical parameter will only occur through improvements in the BW-method.

Type
3. Comparison of the Milky Way with Other Galaxies
Information
International Astronomical Union Colloquium , Volume 111: The Use of Pulsating Stars in Fundamental Problems of Astronomy , 1989 , pp. 191 - 204
Copyright
Copyright © Cambridge University Press 1989

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