Journal ArticleASASSN-18tb: a most unusual Type Ia supernova observed by TESS and SALTVallely, P J; Fausnaugh, M; Jha, S W; Tucker, M A; Eweis, Y; Shappee, B J; Kochanek, C S; Stanek, K Z; Chen, Ping; Dong, Subo; Prieto, J L; Sukhbold, T; Thompson, Todd A; Brimacombe, J; Stritzinger, M D; Holoien, T W-S; Buckley, D A; Gromadzki, M; Bose, Subhash2019-05-2710106093Monthly Notices of the Royal Astronomical Society48722372 to 23840035-8711https://doi.org/10.1093/mnras/stz14451814440; 1908952; 1908570; 1515927National Science Foundation