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Context. The ratio of the first overtone (1O)/fundamental (F) periods of mixed-mode Cepheids that pulsate simultaneously in these two modes (F/1O) is metallicity-dependent. It can therefore be used to characterize the systems that host such variable stars. Aims. We want to take advantage of the F...


Lemasle, B.Hajdu, G.Kovtyukh, V.Inno, L.Grebel, E.K.Catelan, M.Bono, G.François, P.Kniazev, A.Da Silva, R.Storm, J.[Milky Way metallicity gradient from Gaia DR2 F/1O double-mode Cepheids]Milky Way metallicity gradient from Gaia DR2 F/1O double-mode Cepheids

Gieren, W.Pilecki, B.Pietrzyński, G.Graczyk, D.Udalski, A.Soszyński, I.Thompson, I.B.Moroni, P.G.P.Smolec, R.Konorski, P.Górski, M.Karczmarek, P.Suchomska, K.Taormina, M.Gallenne, A.Storm, J.Bono, G.Catelan, M.Szymański, M.Kozłowski, S.Pietrukowicz, P.Wyrzykowski, Ł.Poleski, R.Skowron, J.Minniti, D.Ulaczyk, K.Mróz, P.Pawlak, M.Nardetto, N.[THE ARAUCARIA PROJECT: A STUDY OF THE CLASSICAL CEPHEID IN THE ECLIPSING BINARY SYSTEM OGLE LMC562.05.9009 IN THE LARGE MAGELLANIC CLOUD]THE ARAUCARIA PROJECT: A STUDY OF THE CLASSICAL CEPHEID IN THE ECLIPSING BINARY SYSTEM OGLE LMC562.05.9009 IN THE LARGE MAGELLANIC CLOUD

Context. Type II Cepheids (T2Cs) are radially pulsating variables that trace old stellar populations and provide distance estimates through their period-luminosity (PL) relation. Aims. We trace the structure of old stellar population in the Galactic bulge using new distance estimates and kinemati...


Braga, V.F.Bhardwaj, A.Contreras Ramos, R.Minniti, D.Bono, G.De Grijs, R.Minniti, J.H.Rejkuba, M.[Structure and kinematics of Type II Cepheids in the Galactic bulge based on near-infrared VVV data]Structure and kinematics of Type II Cepheids in the Galactic bulge based on near-infrared VVV data

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