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The Araucaria Project: A study of the classical Cepheid in the eclipsing binary system OGLE LMC562.05.9009 in the Large Magellanic Cloud
Wolfgang Gieren, Bogumil Pilecki, Grzegorz Pietrzynski +26
We present a detailed study of the classical Cepheid in the double-lined, highly eccentric eclipsing binary system OGLE-LMC562.05.9009. The Cepheid is a fundamental mode pulsator w…
The VVV Survey reveals classical Cepheids tracing a young and thin stellar disk across the Galaxy's bulge
I. Dékány, D. Minniti, D. Majaess +6
Solid insight into the physics of the inner Milky Way is key to understanding our Galaxy's evolution, but extreme dust obscuration has historically hindered efforts to map the area…
Stellar parameters for stars of the CoRoT exoplanet field
C. Cortés, S. C. Maciel, S. Vieira +7
Aims:To support the computation and evolutionary interpretation of periods associated with the rotational modulation, oscillations, and variability of stars located in the CoRoT fi…
The Araucaria Project: The First-Overtone Classical Cepheid in the Eclipsing System OGLE-LMC-CEP-2532
B. Pilecki, D. Graczyk, W. Gieren +10
We present here the first spectroscopic and photometric analysis of the double-lined eclipsing binary containing the classical, first-overtone Cepheid OGLE-LMC-CEP-2532 (MACHO 81.8…
The rotational behavior of Kepler Stars with Planets
F. Paz-Chinchón, I. C. Leão, J. P. Bravo +6
We analyzed the host stars of the present sample of confirmed planets detected by Kepler and Kepler Objects of Interest (KOI) to compute new photometric rotation periods and to stu…
New RR Lyrae variables in binary systems
G. Hajdu, M. Catelan, J. Jurcsik +3
Despite their importance, very few RR Lyrae (RRL) stars have been known to reside in binary systems. We report on a search for binary RRL in the OGLE-III Galactic bulge data. Our a…
Bulge RR Lyrae stars in the VVV tile
F. Gran, D. Minniti, R. K. Saito +5
The VISTA Variables in the Vía Láctea (VVV) Survey is one of the six ESO public surveys currently ongoing at the VISTA telescope on Cerro Paranal, Chile. VVV uses near-IR ($ZYJHK_{…