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Spectroscopic Survey of Rapidly Oscillating Ap Stars

Published online by Cambridge University Press:  12 April 2016

W. W. Weiss ,
T. A. Ryabchikova ,
F. Kupka ,
T. R. Lueftinger ,
I. S. Savanov  and
V. P. Malanushenko
W. W. Weiss
Affiliation:
Institute for Astronomy, University of Vienna, Türkenschanzstrasse 17, A-1180 Wien, Austria
T. A. Ryabchikova
Affiliation:
Institute for Astronomy, University of Vienna, Türkenschanzstrasse 17, A-1180 Wien, Austria Institute of Astronomy, RAS, 48 Pyatnitskaya Str., Moscow 109017, Russia
F. Kupka
Affiliation:
Institute for Astronomy, University of Vienna, Türkenschanzstrasse 17, A-1180 Wien, Austria
T. R. Lueftinger
Affiliation:
Institute for Astronomy, University of Vienna, Türkenschanzstrasse 17, A-1180 Wien, Austria
I. S. Savanov
Affiliation:
Crimean Astrophys. Observatory; I. Newton. Inst, of Chile, Crimea, Ukraine
V. P. Malanushenko
Affiliation:
Crimean Astrophys. Observatory; I. Newton. Inst, of Chile, Crimea, Ukraine

Abstract

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A spectroscopic survey of roAp stars has been initiated in Vienna in order to determine their fundamental astrophysical parameters and abundances. We report here on our attempt to confirm and elaborate an atmospheric peculiarity recently discovered (Ryabchikova et al. 1999) which should allow to identify roAp stars with a single spectrum.

Type
Part 6. Variables Close to the Main Sequence
Information
International Astronomical Union Colloquium , Volume 176: The Impact of Large-Scale Surveys on Pulsating Star Research , 2000 , pp. 487 - 488
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

Piskunov, N.E. 1999, in ASSL Vol. 243, Proc. 2nd Int. Workshop on Solar Polarization, Bangalore, India 1998, ed. Nagendra, K. N. & Stenflo, J. O. (Dordrecht: Kluwer), 515 Google Scholar
Ryabchikova, T.A., Savanov, I.S., Malanushenko, V.P., & Kudryavtsev, D.A. 1999, Astronomy Reports, in pressGoogle Scholar
Savanov, I.S., Malanushenko, V.P., & Ryabchikova, T.A. 1998, IBVS, No. 4650 Google Scholar