J0526+5934 is an ultra-short period double white dwarf, observations show
Using ground-based telescopes, an international team of astronomers has observed a binary system containing at least one white dwarf, designated J0526+5934. The observational campaign has revealed that the binary is composed of two white dwarfs on an ultra-short period. The finding was reported in a paper published February 6 on the pre-print server arXiv.
phys.org
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