A smoothed cosmographic formula predicts the luminosity-distance dipole from gradients of the expansion rate and density, matching ray-traced dipoles in relativistic simulations to about 10 percent at low redshift.
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A theoretical prediction for the dipole in nearby distances using cosmography
A smoothed cosmographic formula predicts the luminosity-distance dipole from gradients of the expansion rate and density, matching ray-traced dipoles in relativistic simulations to about 10 percent at low redshift.