Characterizing the cool KOIs. II. the M dwarf KOI-254 and its hot Jupiter

John Asher Johnson, J. Zachary Gazak, Kevin Apps, Philip S. Muirhead, Justin R. Crepp, Ian J.M. Crossfield, Boyajian Tabetha Boyajian, Kaspar Von Braun, Barbara Rojas-Ayala, Andrew W. Howard, Kevin R. Covey, Everett Schlawin, Katherine Hamren, Timothy D. Morton, Geoffrey W. Marcy, James P. Lloyd