Conference "Probing the Cosmos with White Dwarf Binaries", 26-30 July 2027, Garching bei München

Published: 22 Sep 2026
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ESO is pleased to announce that the international conference "Probing the Cosmos with White Dwarf Binaries" will be held in person from 26 to 30 July 2027, at ESO's Headquarters in Garching bei München. This workshop will bring together researchers across the diverse sub-fields of white dwarf binaries to foster discussion in key areas, including: Galactic archaeology, binary evolution, pathways to Type Ia Supernovae, and multi-messenger & gravitational-wave sources.

Upcoming Gaia data releases, new wide-area multi-object spectroscopic facilities (4MOST, DESI, WEAVE, and SDSS-V), and deep time-domain surveys such as the LSST will identify hundreds of thousands of new white dwarf binaries. These systems are fundamental to our understanding of a wide range of astrophysical phenomena, serving as powerful laboratories to (i) map the chemical evolution, kinematics, and ages of the Milky Way's disc and halo, (ii) provide critical constraints on models of binary evolution, which also govern the formation of gravitational wave sources, and (iii) unveil progenitor configurations and explosion mechanisms leading to Type Ia Supernovae (SNe Ia).

In light of this order-of-magnitude increase in observational data and the new observational capabilities coming online at ESO, including the VLTI upgrade (GPAO+LGS), SOXS, MOONS, CUBES, and the ELT, this workshop will provide a timely platform to foster discussion and stimulate collaborations among research communities working on observations, theoretical modelling, and population statistics of white dwarf binaries.

All potential participants are invited to fill out the pre-registration form to receive conference announcements and updates. Further information can be found on the workshop web pages