The dynamical mass and evolutionary status of the type-II Cepheid in the eclipsing binary system OGLE-LMC-T2CEP-211 with a double-ring disk

Bogumił Pilecki, Ahmet Dervişoğlu, Wolfgang Gieren +5

We present the analysis of a peculiar W~Virginis (pWVir) type-II Cepheid, OGLE-LMC-T2CEP-211 ($P_{puls}=9.393d$), in a double-lined binary system ($P_{orb}=242d$), which shed l…