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astro-ph2006
The lack of binaries among hot horizontal branch stars: M80 and NGC5986
C. Moni Bidin, S. Moehler, G. Piotto +3
We present preliminary results of a our search for close (period P < 10 days) binary systems among hot (Teff > 20000 K) horizontal branch stars in globular clusters M80 and NGC5986…
astro-ph2006★ 55 cited
The lack of close binaries among hot horizontal branch stars in NGC6752
C. Moni Bidin, S. Moehler, G. Piotto +3
We present the results of a spectroscopic search for close binaries among horizontal branch (HB) stars in NGC6752. We used the ESO VLT-FORS2 instrument to obtain medium resolution…