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The galaxy bispectrum is affected on equality scales and above byrelativistic observational effects, at linear and nonlinear order. Theselightcone effects include local contributions from Doppler and gravitationalpotential terms, as well as integrated contributions like lensing, togetherwith all the couplings at nonlinear order. We recently presented the correctionto the galaxy bispectrum from all local lightcone effects up to second order inperturbations, using a plane-parallel approximation. Here we update ourprevious result by including the effects from relativistic nonlinear dynamicalevolution. We show that these dynamical effects make a significant contributionto the projection effects.

journal of cosmology and astroparticle physics

Imprints of local lightcone projection effects on the galaxy bispectrum.  III Relativistic corrections from nonlinear dynamical evolution on  large-scales