Construct · 1 fields · 1 citations

Wilson-Bappu effect: a standalone construct

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Astrophysics

a correlation between the width of calcium II K emission lines in late-type stars and their absolute luminosity, used to estimate distances.

In astrophysics, Wilson-Bappu effect refers to a correlation between the width of calcium II K emission lines in late-type stars and their absolute luminosity, used to estimate distances. This meaning comes from Wilson (1957) in The Astrophysical Journal.[1]

Unit
Recovery means
Measured by

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Nearby constructs

absolute2 fields · 2 citationsjingle · one word, two constructs correlation4 fields · 4 citationsjingle · one word, four constructs emission2 fields · 2 citationsjingle · one word, two constructs

References

Wilson, O. C., & Vainu Bappu, M. K. (1957). H and K Emission in Late-Type Stars: Dependence of Line Width on Luminosity and Related Topics. The Astrophysical Journal, 125, 661. https://doi.org/10.1086/146339

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