In 2004, she led the team that discovered the companion star to the white dwarf that became supernova SN 1572, observed by Tycho Brahe, among others.
E en 2004, liderou o grupo de traballo, que descubriu a estrela acompañante dunha anana branca que resultou na famosa supernova SN 1572, observada entre outros, por Tycho Brahe.