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We present an analytical waveform family describing gravitational waves (GWs)from the inspiral, merger and ringdown of non-spinning black-hole binariesincluding the effect of several non-quadrupole modes [($\ell = 2, m = \pm 1),(\ell = 3, m = \pm 3), (\ell = 4, m = \pm 4)$ apart from $(\ell = 2, m=\pm2)$].We first construct spin-weighted spherical harmonics modes of hybrid waveformsby matching numerical-relativity simulations (with mass ratio $1-10$)describing the late inspiral, merger and ringdown of the binary withpost-Newtonian/effective-one-body waveforms describing the early inspiral. Ananalytical waveform family is constructed in frequency domain by modeling theFourier transform of the hybrid waveforms making use of analytical functionsinspired by perturbative calculations. The resulting highly accurate,ready-to-use waveforms are highly faithful (unfaithfulness $\simeq 10^{-4} -10^{-2}$) for observation of GWs from non-spinning black hole binaries and areextremely inexpensive to generate.

Accurate inspiral-merger-ringdown gravitational waveforms for non-spinning black-hole binaries including the effect of subdominant modes