# IMRPhenomXHM: A multi-mode frequency-domain model for the gravitational wave signal from non-precessing black-hole binaries.

@inproceedings{GarciaQuiros2020IMRPhenomXHMAM, title={IMRPhenomXHM: A multi-mode frequency-domain model for the gravitational wave signal from non-precessing black-hole binaries.}, author={Cecilio Garc'ia-Quir'os and Marta Colleoni and Svein Husa and H'ector Estell'es and Geraint Pratten and Antoni Ramos-Buades and Maite Mateu-Lucena and Rafel Jaume}, year={2020} }

We present the IMRPhenomXHM frequency domain phenomenological waveform model for the inspiral, merger and ringdown of quasi-circular non-precessing black hole binaries. The model extends the IMRPhenomXAS waveform model, which describes the dominant quadrupole modes $\ell = |m| = 2$, to the harmonics $(\ell, |m|)=(2,1), (3,3), (3,2), (4,4)$, and includes mode mixing effects for the $(3,2)$ spherical harmonic. IMRPhenomXHM is calibrated against hybrid waveforms, which match an inspiral phase… CONTINUE READING

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## Validity of common modelling approximations for precessing binary black holes with higher-order modes

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