Citation:
Johnson MC, Rodriguez JE, Zhou G, Gonzales EJ, Cargile PA, Crepp JR, Penev K, Stassun KG, Gaudi BS, Colón KD, et al. KELT-21b: A Hot Jupiter Transiting the Rapidly Rotating Metal-poor Late-A Primary of a Likely Hierarchical Triple System. \aj. 2018;155 (2) :100.