The cosmic multipoles: a consistency test for the Szekeres cosmological model

arXiv:2609.01154 · astro-ph.CO · Submitted 2026-09-01 · Read on arXiv

astro-ph.CO

Submitted: 2026-09-01

Updated: 2026-09-01

Comments: 6 pages, no figure

License: http://creativecommons.org/licenses/by-nc-sa/4.0/

The gist: Some of the properties of the Szekeres solutions which have never been used in a cosmological context are known for long.

Terminology

Anisotropy — 5× in this paper · explained in 3 episodes
Clustering — 4× in this paper · explained in 2 episodes
Cosmological Principle — 4× in this paper
Consistency — 3× in this paper · explained in 3 episodes
Cosmic Microwave Background — 2× in this paper
Apparent Horizon — 1× in this paper · explained in 1 episode
Dark Energy Spectroscopic Instrument — 1× in this paper
Frequency Dependence — 1× in this paper · explained in 2 episodes

Abstract

Some of the properties of the Szekeres solutions which have never been used in a cosmological context are known for long. In this letter, the total and unique decomposition of its matter energy density into a monopole and dipole moment is recalled and specialized to the axially symmetric quasi-spherical subclass of the model. All the model special features -- axial symmetry, spherical quasi-symmetry, location of the observer -- are observationally justified. Then, a consistency test of the model involving its no-high-multipole-in-mass-density property is proposed.

Terminology

Abstract

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