von Essen, C, Mallonn, M, Piette, A, Cowan, N B, Madhusudhan, N, Agol, E, Antoci, V, Poppenhaeger, K, Stassun, K G, Khalafinejad, S & Tautvaisiene, G 2021, ' TESS unveils the optical phase curve of KELT-1b Thermal emission and ellipsoidal variation from the brown dwarf companion along with the stellar activity : Thermal emission and ellipsoidal variation from the brown dwarf companion along with the stellar activity ', Astronomy and Astrophysics, vol. 648, A71 . https://doi.org/10.1051/0004-6361/202038524