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The discovery of non-radial pulsations (NRP) in the Be/X binaries of theMagellanic Clouds (MC, eg. Fabrycky 2005, Coe et al. 2005, Schmidtke & Cowley2005) provided a new approach to understand these complex systems, and, at thesame time, favoured the synergy between two different fields: stellarpulsations and X-ray binaries. This breakthrough was possible thanks to theMACHO and OGLE surveys. However, in our Galaxy, only two Be/X have beenreported to show NRP: GROJ2058+42 (Kiziloglu et al. 2007) and LSI+61 235 (Sartyet al. 2009). Our objective is to study the short-term variability of GalacticBe/X binaries, compare them to the Be/X of the MC and to the isolated GalacticBe observed with CoRoT and Kepler. We present preliminary results of two Be/Xstars, namely 4U0115+63 and SAXJ2103.5+4545 showing multiperiodicity andperiodicity respectively, most probably produced by non-radial pulsations.

Non-radial pulsations in the Be/X binaries 4U0115+63 and SAXJ2103.5+4545