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Upsilon Andromedae b in polarized light: New constraints on the planet size, density and albedo
S. V. Berdyugina, A. V. Berdyugin, V. Piirola
Polarimetry is a novel tool to detect and characterize exoplanets and their atmospheres. Polarized scattered light from the non-transiting hot Jupiter ~And~b is measured…
Chemical Composition of the RS CVn-type Star 33 Piscium
G. Barisevičius, G. Tautvaišienė, S. Berdyugina +2
Abundances of 22 chemical elements, including the key elements and isotopes such as 12C/13C, N and O, are investigated in the spectrum of 33 Psc, a single-lined RS CVn-type binary…
Chemical Composition of the RS CVn-type Star 29 Draconis
G. Barisevičius, G. Tautvaišienė, S. Berdyugina +2
Photospheric parameters and chemical composition are determined for the single-lined chromospherically active RS CVn-type star 29 Draconis (HD 160538). From the high resolution spe…
NLTE modeling of Stokes vector center-to-limb variations in the CN violet system
A. I. Shapiro, D. M. Fluri, S. V. Berdyugina +2
The solar surface magnetic field is connected with and even controls most of the solar activity phenomena. Zeeman effect diagnostics allow for measuring only a small fraction of th…