# Improved Constraints on the Initial-to-final Mass Relation of White Dwarfs Using Wide Binaries

@article{Barrientos2021ImprovedCO,
title={Improved Constraints on the Initial-to-final Mass Relation of White Dwarfs Using Wide Binaries},
author={Manuel Barrientos and Julio Chanam'e},
journal={The Astrophysical Journal},
year={2021},
volume={923}
}
• Published 15 February 2021
• Physics
• The Astrophysical Journal
We present observational constraints for the initial-to-final mass relation (IFMR) derived from 11 white dwarfs (WDs) in wide binaries (WBs) that contain a turnoff/subgiant primary. Because the components of WBs are coeval to a good approximation, the age of the WD progenitor can be determined from the study of its wide companion. However, previous works that used WBs to constrain the IFMR suffered from large uncertainties in the initial masses because their main-sequence primaries are…

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