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astro-ph.IM2026
The Simons Observatory: Design and Initial Performance of the Detector Readout System for the Large-Aperture Telescope
Thomas P. Satterthwaite, Tristan Pinsonneault-Marotte, Shawn W. Henderson +34
We present the design, implementation, and initial performance of a highly multiplexed cryogenic superconducting detector readout system in the context of its deployment to the Sim…
astro-ph.CO2026
Differential Polarization Calibration: A Consistency Test for Cosmic Birefringence
Anto I. Lonappan, Brian Keating, Kam Arnold
The cosmic microwave background birefringence angle is exactly degenerate with a common instrumental polarization-angle offset. The Minami--Komatsu(MK) likelihood separates the…