Search Publications

A Binary Nature of the Marginal CP Star Sigma Sculptoris

Krtička, Jiří; Paunzen, Ernst; Adam, Christian +7 more

The A2 V star σ Scl was suspected of being a low-amplitude rotating variable of the Ap-type star by several authors. Aiming to decide whether the star is a variable chemically peculiar (CP) star, we searched for the photometric and spectroscopic variability, and determined chemical abundances of σ Scl. The possible variability was tested using sev…

Variability Analysis of δ Scuti Candidate Stars

Tautvaišienė, Gražina; Pakštienė, Erika; Janulis, Rimvydas +5 more

The Hipparcos catalog contains stars suspected to be δ Scuti variables for which extensive ground-based observations and characterization of variability are necessary. Our aim was to characterize variability of 13 candidates to δ Scuti type stars. We obtained 24 215 CCD images and analyzed stellar light curves using the Period04 program. Twelve δ …