Observations of roAp stars at the Mt. Dushak-Erekdag station of Odessa Astronomical Observatory

Details Observations of roAp stars at the Mt. Dushak-Erekdag station of Odessa Astronomical Observatory Observations of roAp stars at the Mt. Dushak-Erekdag station of Odessa Astronomical Observatory

1998-05-14

arxiv.org/abs/astro-ph/9805187v1

Astronomy and Astrophysics

Astrophysics

3 pages, 1 figure, to appear in: Proc. of the 26th workshop of the European Working Group on CP stars, eds. P. North, A. Schne

Scientific paper

Since 1992, observations of roAp stars have been carried out using the dual-channel photometer attached to the 0.8m telescope, which is situated in Central Asia, at the Mt. Dushak-Erekdag station of Odessa Astronomical Observatory. Some results of observations of gamma Equ and of HD 134214 are presented. 5 stars were investigated as roAp candidates. The Fourier spectra of 4 stars did not show any variability in the high-frequency region. The Fourier spectrum of HD 99563 revealed a peak at a frequency f=128.9 c/d and with a semi-amplitude of 3.98 mmag.

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