Volume 400, Number 2, March III 2003
|Page(s)||595 - 598|
|Section||Stellar structure and evolution|
|Published online||03 March 2003|
More on the pulsation period of the cool component in the symbiotic binary AG Dra
Institut d'Astrophysique, 98 bis Boulevard Arago, 75014 Paris, France
2 Faculty of Sciences, University of P. J. Šafárik, Moyzesova 16, 041 54 Košice, The Slovak Republic e-mail: email@example.com
3 Partizánske Observatory, PO Box 59, 958 01 Partizánske, The Slovak Republic e-mail: firstname.lastname@example.org
4 Astronomical Institute of the Slovak Academy of Sciences, 059 60 Tatranská Lomnica, The Slovak Republic e-mail: email@example.com
5 Department of Physics, Faculty of Education, Trnava University, 918 43 Trnava, The Slovak Republic e-mail: firstname.lastname@example.org
6 Observatory and Planetarium, Sládkovičova 41, 920 01 Hlohovec, The Slovak Republic
Corresponding author: M. Friedjung, email@example.com
Accepted: 8 November 2002
We have combined recent radial velocity measurements of Fekel et al. ([CITE]) with previously studied older ones, to test for the continued presence of the second period, found by Gális et al. ([CITE]), which could be due to pulsations of the cool component of the AG Dra binary system. Fekel's data, even taken by themselves, also marginally suggest the presence of variations near the previously found second period. The period is in any case clearly seen, when all radial velocity measurements are combined.
Key words: stars: binaries: symbiotic / stars: individual: AG Dra
© ESO, 2003
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