Astronomy and Astrophysics – Astrophysics – Solar and Stellar Astrophysics
Scientific paper
2012-04-04
ASP Conf. Ser., Vol. 452 (2012), p. 121
Astronomy and Astrophysics
Astrophysics
Solar and Stellar Astrophysics
published in the proceedings of the Fifth Meeting on Hot Subdwarf Stars and Related Objects
Scientific paper
We describe our programme to identify and analyse binary stars among the bright subdwarfs selected in the Galaxy Evolution Explorer (GALEX) survey. Radial velocity time-series helped us identify subdwarfs with low-mass or compact stellar companions: We describe work conducted on the bright binaries GALEX J0321+4727 and GALEX J2349+3844, and we present a radial velocity study of several objects that include three new likely binaries. We also carried out photometric observations that allowed us to detect long period pulsations in the subdwarf components in two of the close binaries.
Iliev Lubomir
Kawka Adela
Kolaczkowski Zbyszek
Nemeth Peter
O'Toole Simon
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