  The mass m_K* and vector coupling f_K* of the K*-meson, as well as the ratio
of the tensor to vector couplings fT/fV|_K*, are computed in lattice QCD. Our
simulations are performed in a partially quenched setup, with two dynamical
(sea) Wilson quark flavours, having a maximally twisted mass term. Valence
quarks are either of the standard or the Osterwalder-Seiler maximally twisted
variety. Results obtained at three values of the lattice spacing are
extrapolated to the continuum, giving m_K* = 981(33) MeV, f_K* = 240(18) MeV
and fT(2 GeV)/fV|_K* = 0.704(41).
