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Perturbations to the Hubble diagram

Thomas Schucker, Ilhem ZouZou

astro-pharXiv:astro-ph/0511521

Abstract

We compute the linear responses of the Hubble diagram to small scalar perturbations in the Robertson-Walker metric and to small peculiar velocities of emitter and receiver. We discuss the monotonicity constraint of the Hubble diagram in the light of these responses.

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