Discovery of a kHz QPO in 2S 0918-549

Peter G. Jonker, Michiel van der Klis, Jeroen Homan +6

We report the discovery of a kilohertz quasi-periodic oscillation (kHz QPO) in the low-mass X-ray binary (LMXB) 2S 0918-549. The kHz QPO has a frequency of 1156+-9 Hz, a FWHM of 70…