Forecasts of CMB E-mode anomalies for AliCPT-1

arXiv:2604.20699 · astro-ph.CO · Submitted 2026-04-22 · Read on arXiv

astro-ph.CO

Submitted: 2026-04-22

Updated: 2026-06-08

Code: https://github.com/simonsobs/map_based_simulations

Terminology

• Alignment — 19× in this paper · explained in 1 episode
• Anisotropy — 12× in this paper · explained in 3 episodes
• Simons Observatory — 9× in this paper
• Aperture — 4× in this paper · explained in 1 episode
• Large Aperture Telescope — 4× in this paper
• Non-Gaussianity — 4× in this paper · explained in 2 episodes
• Benchmark — 3× in this paper · explained in 2 episodes
• Clustering — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Four-year Cosmology Large Angular Scale Surveyor — 1× in this paper
• High Frequency Instrument — 1× in this paper
• Nine-Year Wilkinson Microwave Anisotropy Probe — 1× in this paper
• Verification — 1× in this paper · explained in 2 episodes

Sources

• Nine-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Final Maps and Results
• Planck 2018 results. VI. Cosmological parameters
• Seven-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Are There Cosmic Microwave Background Anomalies?
• Planck 2013 results. XXIII. Isotropy and statistics of the CMB
• Planck 2015 results. XVI. Isotropy and statistics of the CMB
• Planck 2018 results. VII. Isotropy and Statistics of the CMB
• Is the Observable Universe Consistent with the Cosmological Principle?
• No large-angle correlations on the non-Galactic microwave sky
• Large-Angle CMB Suppression and Polarization Predictions
• Increasing evidence for hemispherical power asymmetry in the five-year WMAP data
• Anomalous parity asymmetry of the Wilkinson Microwave Anisotropy Probe power spectrum data at low multipoles
• New constraints on Parity Symmetry from a re-analysis of the WMAP-7 low resolution power spectra
• Nearly Full-Sky Low-Multipole Cosmic Microwave Background Temperature Anisotropy: III. CMB Temperature Anomalies
• Directional dependence of CMB parity asymmetry
• Preferred axis of CMB parity asymmetry in the masked maps
• Local properties of WMAP Cold Spot
• Probing CMB Cold Spot through Local Minkowski Functionals
• An estimate of the local ISW signal, and its impact on CMB anomalies
• Removal of two large scale Cosmic Microwave Background anomalies after subtraction of the Integrated Sachs Wolfe effect
• The cosmic microwave background Cold Spot anomaly: the impact of sky masking and the expected contribution from the Integrated Sachs-Wolfe effect

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