Table:
text: List of heirs to the Burmese thrones
Konbaung Dynasty
Konbaung Dynasty
Monarch Heir Status_ Relationship_to_Monarch Became_heir_reason Ceased_to_be_heir_reason Next_in_succession
Bodawpaya Bagyidaw Heir apparent son 17 April 1808 father died 5 June 1819 succeeded Tharrawaddy 1819–1837, younger brother
Bagyidaw Tharrawaddy Heir apparent brother 5 June 1819 brother succeeded 15 April 1837 succeeded Pagan 1842–1846, son
Tharrawaddy Pagan Heir apparent son August 1842 father succeeded 17 November 1846 succeeded Mindon 1846–1852, younger brother
Pagan Mindon Heir presumptive brother 17 November 1846 brother succeeded 18 February 1853 succeeded Kanaung 1852–1866, younger brother
Mindon Kanaung Heir apparent brother 18 February 1853 brother succeeded 2 August 1866 assassinated Thibaw 1878, nephew

Question: From the list of Konbaung Dynasty heirs to the Burmese thrones, what is the status when they ceased to be heirs; Reason is February 18, 1853 succeeded ?