Celer was the magister officiorum and commander of the palace regiments of the Scholae palatinae .
On the night hours of 8 July 518 -- 9 July 518 , Anastasius died and his silentarii summoned Justin and Celer to his deathbed .
Celer was the Celer   and commander of the palace regiments of the Scholae palatinae .
On the night hours of 8 July 518 -- 9 July 518 , Anastasius died and his silentarii summoned Justin and Celer to his deathbed .