Astrophysics (Index)About

quadratic field strength

(a measure of a star's varying magnetic field)

A star's quadratic field strength is a measure of its magnetic field that is used when the field is changing with time. It is the root mean square (RMS) of measurements (e.g., using the Zeeman effect) taken over time.


(magnetism,physics,measure,stars)
Further reading:
https://en.wikipedia.org/wiki/Glossary_of_astronomy#quadratic_field_strength
https://ui.adsabs.harvard.edu/abs/2009MNRAS.394.1338B/abstract

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