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The investigation of the data for quasi-periodic pulsations observed in theX-ray spectra of the accreting millisecond pulsar XTEJ 1807-294 allows someconclusions to be made about its main parameters - mass and angular momentum.Seven different geodesic models - namely RP, RP1, RP2, TP, TP1, WD and TD areapplied in attempt to assess their ability to describe the properties of thecentral neutron star.

Geodesic model complience with the frequencies of the observed X-ray quasi-period oscillations of XTE J1807-294