9.8k citations
- Centre National de la Recherche ScientifiqueFR251 papers
- University of BelgradeRS208 papers
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- California Institute of TechnologyUS171 papers
- Instituto de Astrofísica de CanariasES165 papers
- Osservatorio Astronomico di PadovaIT154 papers
- National Astronomical Observatory of JapanJP149 papers
- Sorbonne UniversitéFR147 papers
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14 papers · 2 filters
Exploring inside-out Doppler tomography: magnetic cataclysmic variables
Enrico J. Kotze, Stephen B. Potter, Vanessa A. McBride
We present the results of applying our inside-out velocity projection and flux modulation mapping techniques to the Doppler tomography of magnetic cataclysmic variables. The inside…
First observations of W Virginis stars with K2: detection of period doubling
E. Plachy, L. Molnár, M. I. Jurkovic +5
We present the first analysis of W Vir stars observed by the Kepler space telescope in the K2 mission. Clear cycle-to-cycle variation were detected in the light curves of KT Sco an…
Effective temperature and radial velocity of the small-amplitude Cepheid Polaris (alpha UMi) in 2015
I. A. Usenko, V. V. Kovtyukh, A. S. Miroshnichenko +1
We present the results of an analysis of 21 spectra of alpha UMi (Polaris) obtained in September - December 2015. Frequency analysis shows an increase of the pulsation period up to…
Spiral structures and temperature distribution in the quiescent accretion disc of the cataclysmic binary V2051 Ophiuchi
Artur Rutkowski, Waclaw Waniak, George W. Preston +1
We present the capabilities of our new code for obtaining Doppler maps implementing the maximum likelihood approach. As test data, we used observations of the dwarf nova V2051 Ophi…
Inference of magnetic fields in inhomogeneous prominences
Ivan Milic, Marianne Faurobert, Olga Atanackovic
Most of the quantitative information about the magnetic field vector in solar prominences comes from the analysis of the Hanle effect acting on lines formed by scattering. As these…
Chlorine Abundances in Cool Stars
Z. G. Maas, C. A. Pilachowski, K. Hinkle
Chlorine abundances are reported in 15 evolved giants and one M dwarf in the solar neighborhood. The Cl abundance was measured using the vibration-rotation 1-0 P8 line of HC…