PG 1613+426: a new sdB pulsator

We report the detection of short period oscillations in the hot subdwarf B (sdB) star PG 1613+426 from time-series photometry carried out with the 91-cm Cassegrain telescope of the Catania Astrophysical Observatory. This star, which is brighter than the average of the presently known sdB pulsators, with B = 14.14 mag, has $T_{\mathrm{e}\mathrm{f}\mathrm{f}}=34400\mathrm{K}$ and $\log g=5.97$, its position is near the hot end of the sdB instability strip, and it is a pulsator with a well observed peak in the power spectrum at $144.18\pm 0.06\mathrm{s}$. This star seems to be well suited for high precision measurements, which could detect a possible multi-mode pulsation behaviour