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Nature of the Distant Component in the Triple System DV Cam

Zejda, M.; Bakış, V.

DV Cam (HD 34233) is a relatively bright spectroscopic binary system exhibiting complex variability. This study presents an extensive analysis of its orbital dynamics and pulsational behavior using multi-source photometric data, including the Hipparcos, ground-based, and TESS satellite observations. The O–C residuals analysis reveals a sinusoidal …

Atmospheric Parameters and Evolutionary CP Stars. I.21 COM from the Old Comae Berenices Cluster

Aliev, S. G.; Alishova, Z. M.

On the basis of Hipparcos observations and complex observations carried out at the Shamakhy Astrophysical Observatory named after N. Tusi of the National Academy of Sciences of Azerbaijan, the main parameters of the atmosphere and the evolutionary status of the magnetic CP star 21 Com from the old Comae Berenices cluster have been determined.Almos…