3 papers
astro-ph.CO2026
Sensitivity of Next-Generation CMB Surveys to Neutrinos and Other Light Relics
Cynthia Trendafilova, Srinivasan Raghunathan, Benjamin Wallisch +33
Neutrinos and other light relics leave characteristic imprints in the cosmic microwave background anisotropies, making their observation a sensitive probe of the particle content a…
astro-ph.SR2026
Structure and Dynamics of the Inner Corona Measured from the DEB Initiative 2024 Eclipse Image Sequence
Matthew J Penn, Robert Baer, Chris Mandrell +66
The paper reports measurements of the inner solar corona’s brightness and flow speeds obtained from a network of citizen‑science telescopes during the April 8 2024 total solar ecli…
astro-ph.CO2025
Abundance and properties of dark radiation from the cosmic microwave background
Murali M. Saravanan, Thejs Brinckmann, Marilena Loverde +1
We study the cosmological signatures of new light relics that are collisionless like standard neutrinos or are strongly interacting. We provide a simple and succinct rephrasing of…