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astro-ph1998
Multi-element Doppler imaging of kappa Psc
N. Piskunov, H. C. Stempels, T. A. Ryabchikova +2
kappa Psc (HD 220825) is a typical Chromium Ap star that happens to have optimal parameters for Doppler imaging (DI). Its short rotational period of less then 2 days, rotational ve…
astro-ph1998
1996 multisite photometric and spectral campaign on the lambda Boo star 29 Cyg
D. E. Mkrtichian, A. V. Kusakin, V. P. Malanushenko +11
The preliminary results of a 1996 multisite campaign on the pulsating lambda Bootis star 29 Cyg are presented. This campaign, initiated by the Central Asian Network (CAN), allowed…
astro-ph1998
The double-lined spectroscopic binary alpha Andromedae: orbital elements and elemental abundances
T. Ryabchikova, V. Malanushenko, S. J. Adelman
We performed a spectroscopic study of the SB2 Mercury-Manganese star alpha And. Our measurements of the secondary's radial velocities result in improved orbital elements. The secon…