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Paper: Radial-velocity Monitoring of Long-period Hot-subdwarf + Main-sequence Binaries with HERMES@Mercator
Volume: 452, Fifth Meeting on Hot Subdwarf Stars and Related Objects
Page: 163
Authors: Østensen, R. H.; Van Winckel, H.
Abstract: Population synthesis models predict that the majority of sdBs form through stable mass transfer leading to long period binaries. To date, about a hundred close short-period binaries with an sdB component have been found, but not a single long-period system has been established. We show preliminary results from our recent effort in determining orbits for a sample of long-period sdB systems using the HERMES spectrograph on the Mercator telescope.
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