OGLE-LMC-ACEP-094 secondary period 0.364295 d OGLE-LMC-ACEP-112 secondary period 157.8 d OGLE-LMC-ACEP-114 reclassified type II Cepheid (OGLE-LMC-T2CEP-114) OGLE-LMC-ACEP-121 uncertain classification OGLE-LMC-ACEP-146 reclassified classical Cepheid OGLE-SMC-CEP-4957