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General relativistic imprints on the galaxy bispectrum arise fromobservational (or projection) effects. The lightcone projection effects includelocal contributions from Doppler and gravitational potential terms, as well aslensing and other integrated contributions. We recently presented for the firsttime, the correction to the galaxy bispectrum from all local lightconeprojection effects up to second order in perturbations. Here we provide thedetails underlying this correction, together with further results andillustrations. For moderately squeezed shapes, the correction to the Newtonianprediction is ~30% on equality scales at z ~ 1. We generalise our recentresults to include the contribution, up to second order, of magnification bias(which affects some of the local terms) and evolution bias.

Imprints of local lightcone projection effects on the galaxy bispectrum. II