A gap in the double white dwarf separation distribution caused by the common-envelope evolution: astrometric evidence from Gaia

Research datakeyboard_double_arrow_right Dataset 09 Jun 2022 Netherlands Publisher:ZenodoFunded by:NWO | Exploring the Milky Way a..., NWO | All good things come in t...

Authors: Korol Valeriya; Belokurov Vasily; Toonen Silvia;

doi: 10.5281/zenodo.6638640 , 10.5281/zenodo.6638639

A gap in the double white dwarf separation distribution caused by the common-envelope evolution: astrometric evidence from Gaia

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Abstract

Here we provide a supplementary dataset to our publication A gap in the double white dwarf separation distribution caused by the common-envelope evolution: astrometric evidence from Gaia, arXiv:2203.03659. The dataset consists of 119 double white dwarf candidates selected in the Gaia Early Data Release 3 (EDR3) based on the sources' astrometric wobble amplitude. For each candidate we provide sky coordinates (RA, DEC), Gaia EDR3 ID, position on the HR diagram (G, BP-RP) and estimated astrometric wobble amplitude (delta a). Note that the astrometric wobble amplitude (delta a) is directly related to the binary’s orbital separation, as detailed in our paper.

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