Konkurs “Science is Freedom”
Prof. Grzegorz Pietrzyński, together with the Araucaria Project, was honored with 2nd price in the contest “Science is Freedom” organized by Polish Ministry of Science.
Author: araucaria_admin
Binary system of two Cepheids
Binary system OGLE-LMC-CEP-1718 composed of two classical FO Cepheids confirmed spectroscopically and analized.
Distance to the LMC
LMC distance determined with the accuracy of 2% using binary systems composed of giants.
Distance to the SMC
SMC distance determined with the accuracy of 3% using binary systems composed of giants.
First dynamical p-factor determination
First determination of the projection factor from the analysis of a eclipsing binary system OGLE-LMC-CEP-0227.
Binary Evolution Pulsator (BEP)
New type of RR Lyrae-like variable identified in a binary system.
Dynamical mass of a Cepheid again
Very precise mass determination of the Cepheid OGLE-LMC-CEP-1812 in an eclipsing binary system.
Dynamical mass of a Cepheid
Very precise mass determination of the Cepheid OGLE-LMC-CEP-0227 in an eclipsing binary system.