Term: | Dynamical parallax |

Definition: |
A method for deriving the distance to a binary star. The angular diameter of the orbit of the stars around each other and their apparent brightness are observed. By applying Kepler's laws and the mass-luminosity relation, the distance of the binary star can be calculated. |

Created 2023.04.16

Last Modified 2023.04.16

Contributed by Ryan
McGranaghan

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