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[ascl:2307.026] gyrointerp: Gyrochronology via interpolation of open cluster rotation sequences

gyrointerp calculates gyrochronal ages by interpolating between open cluster rotation sequences. The framework, written in Python, can be used to find the gyrochronological age posterior of single or many stars. It can also produce a visual interpolation for a star’s age to determine where the star falls in the rotation-temperature plane in comparison to known reference clusters. gyrointerp models the ensemble evolution of rotation periods for main-sequence stars with temperatures of 3800-6200 K (masses of 0.5-1.2 solar) and is not applicable for subgiant or giant stars, and should be used cautiously with binary stars, as they can observationally bias temperature and rotation period measurements.

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