Koen, ChrisKilkenny, DavidPretorius, M.L.Frew, D.J.2013-11-132013-11-132010Koen, C. et al. (2010). Two new variable sdB stars, HE 0218−3437 and LB 1516. 401: 1850–1856. Monthly Notices of the Royal Astronomical Society, 401(3): 1850-18560035-8711http://hdl.handle.net/10566/803We present photometry which shows that two known hot subdwarf stars, HE 0218−3437 and LB 1516, are variable. LB 1516 exhibits several frequencies in the range 12–25 cycles d−1 (periods of about 1–2 h) with amplitudes less than about 0.003 mag and appears to be a typical slowly pulsating sdB star. Results from a multisite campaign on HE 0218−3437 show the presence of two frequencies only, the lower amplitude variation an apparent subharmonic of the higher amplitude periodicity. It is likely that the star is in a binary system, and that the variability is due to ellipsoidal deformation of the primary star.en© 2010 Copyright Oxford University Press. This file may be freely used for educational purposes, as long as it is not altered in any way. Acknowledgement of the authors and the source is required.Stars: individual: HE 0218−3437Stars: oscillationsStars: variables: otherStars: individual: LB 1516Article