Selection--Clustering Coupling and Pair-Midpoint Anisotropy from Observer Motion

arXiv:2603.16776 · astro-ph.CO · Submitted 2026-03-17 · Read on arXiv

astro-ph.CO

Submitted: 2026-03-17

Updated: 2026-10-09

Terminology

• Clustering — 15× in this paper · explained in 2 episodes
• Anisotropy — 8× in this paper · explained in 3 episodes
• Higher-order statistics — 6× in this paper · explained in 2 episodes
• Redshift-Space Distortions (RSD) — 1× in this paper · explained in 2 episodes
• Unified Framework — 1× in this paper · explained in 5 episodes

Sources

• Colloquium: The Cosmic Dipole Anomaly
• A Test of the Cosmological Principle with Quasars
• A Challenge to the Standard Cosmological Model
• Testing the Cosmological Principle with CatWISE Quasars: A Bayesian Analysis of the Number-Count Dipole
• The kinematic contribution to the cosmic number count dipole
• Clustering properties of the CatWISE2020 quasar catalogue and their impact on the cosmic dipole anomaly
• General Relativistic Description of the Observed Galaxy Power Spectrum: Do We Understand What We Measure?
• What galaxy surveys really measure
• Observed galaxy number counts on the lightcone up to second order: I. Main result
• Observed galaxy number counts on the lightcone up to second order: II. Derivation
• Asymmetric galaxy correlation functions
• Doppler term in the galaxy two-point correlation function: wide-angle, velocity, Doppler lensing and cosmic acceleration effects
• On the kinematic cosmic dipole tension
• Statistical effects of the observer's peculiar velocity on source number counts
• Fast and spurious: a robust determination of our peculiar velocity with future galaxy surveys
• A General Formulation of the Kinematic Dipole as a Functional of Selection and Source Properties: Beyond the Ellis--Baldwin Approximation
• Dipoles in the Sky
• A Bayesian approach to the cosmic dipole in radio galaxy surveys: Joint analysis of NVSS & RACS
• The clustering properties of AGNs/quasars in CatWISE2020 catalog
• Wising up to CatWISE: using simulation-based inference to interpret the ecliptic bias and confirm the cosmic dipole excess

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