Distance to the SMC
SMC distance determined with the accuracy of 3% using binary systems composed of giants.
SMC distance determined with the accuracy of 3% using binary systems composed of giants.
First determination of the projection factor from the analysis of a eclipsing binary system OGLE-LMC-CEP-0227.
New type of RR Lyrae-like variable identified in a binary system.
Very precise mass determination of the Cepheid OGLE-LMC-CEP-1812 in an eclipsing binary system.
Very precise mass determination of the Cepheid OGLE-LMC-CEP-0227 in an eclipsing binary system.