Abstract
Several eclipsing binary systems have been selected for combined spectral and photometric observations using the Bulgarian NAO 2 m telescope and several smaller telescopes located at various places in the CESE region. Preliminary results, based on a pilot study started in 2001, about radial velocity and light curve variations of the active WUMa system LS Del are presented here.
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Hegedüs, T. et al. (2006). First results of the Central-East-South European Binary Star Study Group (CESEB). In: Giménez, À., Guinan, E., Niarchos, P., Rucinski, S. (eds) Close Binaries in the 21st Century: New Opportunities and Challenges. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-5027-5_12
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DOI: https://doi.org/10.1007/978-1-4020-5027-5_12
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Online ISBN: 978-1-4020-5027-5
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