The first ultracompact Roche lobe-filling hot subdwarf binary

@misc{kaplan2020firstultracompactroche,
      title={The first ultracompact Roche lobe-filling hot subdwarf binary},
      author={David L. Kaplan and Thomas R. Marsh and Russ R. Laher and Jim Fuller and Ben Rusholme and Reed Riddle and Thomas Kupfer and Jan van Roestel and JJ Hermes and Richard Dekany and Frank J. Masci and Kevin B. Burdge and Lars Bildsten and Paula Szkody and Michael W. Coughlin and Matthew J. Graham and Alex Delacroix and Evan B. Bauer and Dmitry A. Duev and S. P. Littlefair and Eric C. Bellm and Vik S. Dhillon and Thomas A. Prince and Roger M. Smith and Andrew J. Drake and Shrinivas R. Kulkarni and David L. Shupe and Eugene Serabyn and Maayane T. Soumagnac and Rick Burruss and Michael Feeney and Gabriel Murawski},
      year={2020},
      eprint={2002.01485},
      archivePrefix={arXiv},
      primaryClass={astro-ph.SR},
      url={https://arxiv.org/abs/2002.01485},
}