@article{article, title = {{The first ultracompact Roche lobe–filling hot subdwarf binary}}, publisher = {{American Astronomical Society}}, url = {{http://eprints.whiterose.ac.uk/157371/ }}, year = {{2020}}, month = {{3}}, author = {{Kupfer T and Bauer EB and Marsh TR and Roestel JV and Bellm EC and Burdge KB and Coughlin MW and Fuller J and Hermes JJ and Bildsten L and Kulkarni SR et al}}, doi = {{10.3847/1538-4357/ab72ff}}, volume = {{891}}, journal = {{The Astrophysical Journal}}, issue = {{1}}, note = {{Accessed on 2024/09/20}}}