12 citations · 17 across the 3 of their papers we have counts for
1 paper · 2 filters
T. Otani, T. Oswalt, A. E. Lynas-Gray +4
Among the competing evolution theories for subdwarf-B (sdB) stars is the binary evolution scenario. EC~20117-4014 (=V4640~Sgr) is a spectroscopic binary system consisting of a puls…