HDF ~P ` TREE 0 ( HEAP p xKP ? @ 4 4 h^ H description Size of the simulation box. x P SNOD X $ mP KP @ $ H l! ! # 0 ( ( units h^-1 Mpc h^ X description * Total number of galaxies in the catalogue. ( units none ( 5V 5V ? @ 4 4 h^ ( units h^-1 Mpc @@5V h@$(~y@Pkw?io@I&¶5@9#J?8gDio