Citation:
Badenas-Agusti M, Günther MN, Daylan T, Mikal-Evans T, Vanderburg A, Huang CX, Matthews E, Rackham BV, Bieryla A, Stassun KG, et al. HD 191939: Three Sub-Neptunes Transiting a Sun-like Star Only 54 pc Away. arXiv e-prints. 2020 :arXiv:2002.03958.