Bell, Keaton J. Max Planck Research Group in Stellar Ages and Galactic Evolution (SAGE), Max Planck Institute for Solar System Research, Max Planck Society;
Bell, K. J., Córsico, A. H., Bischoff-Kim, A., Althaus, L. G., Bradley, P. A., Calcaferro, L. M., et al. (2019). TESS first look at evolved compact pulsators: Asteroseismology of the pulsating helium-atmosphere white dwarf TIC 257459955. Astronomy and Astrophysics, 632: A42. doi:10.1051/0004-6361/201936340.